diff --git a/eclipse/spring-boot-project.setup b/eclipse/spring-boot-project.setup
index f12f9a659132..95de3bf54337 100644
--- a/eclipse/spring-boot-project.setup
+++ b/eclipse/spring-boot-project.setup
@@ -1,16 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <setup:Project
     xmi:version="2.0"
-    xmlns:xmi="http://www.omg.org/XMI"
+    xmlns:xmi="https://www.omg.org/XMI"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns:jdt="http://www.eclipse.org/oomph/setup/jdt/1.0"
     xmlns:maven="http://www.eclipse.org/oomph/setup/maven/1.0"
     xmlns:predicates="http://www.eclipse.org/oomph/predicates/1.0"
-    xmlns:setup="http://www.eclipse.org/oomph/setup/1.0"
-    xmlns:setup.p2="http://www.eclipse.org/oomph/setup/p2/1.0"
+    xmlns:setup="https://www.eclipse.org/oomph/setup/1.0"
+    xmlns:setup.p2="https://www.eclipse.org/oomph/setup/p2/1.0"
     xmlns:setup.workingsets="http://www.eclipse.org/oomph/setup/workingsets/1.0"
     xmlns:workingsets="http://www.eclipse.org/oomph/workingsets/1.0"
-    xsi:schemaLocation="http://www.eclipse.org/oomph/setup/jdt/1.0 http://git.eclipse.org/c/oomph/org.eclipse.oomph.git/plain/setups/models/JDT.ecore http://www.eclipse.org/oomph/setup/maven/1.0 http://git.eclipse.org/c/oomph/org.eclipse.oomph.git/plain/setups/models/Maven.ecore http://www.eclipse.org/oomph/predicates/1.0 http://git.eclipse.org/c/oomph/org.eclipse.oomph.git/plain/setups/models/Predicates.ecore http://www.eclipse.org/oomph/setup/workingsets/1.0 http://git.eclipse.org/c/oomph/org.eclipse.oomph.git/plain/setups/models/SetupWorkingSets.ecore http://www.eclipse.org/oomph/workingsets/1.0 http://git.eclipse.org/c/oomph/org.eclipse.oomph.git/plain/setups/models/WorkingSets.ecore"
+    xsi:schemaLocation="http://www.eclipse.org/oomph/setup/jdt/1.0 http://git.eclipse.org/c/oomph/org.eclipse.oomph.git/plain/setups/models/JDT.ecore http://www.eclipse.org/oomph/setup/maven/1.0 http://git.eclipse.org/c/oomph/org.eclipse.oomph.git/plain/setups/models/Maven.ecore http://www.eclipse.org/oomph/predicates/1.0 https://git.eclipse.org/c/oomph/org.eclipse.oomph.git/plain/setups/models/Predicates.ecore http://www.eclipse.org/oomph/setup/workingsets/1.0 http://git.eclipse.org/c/oomph/org.eclipse.oomph.git/plain/setups/models/SetupWorkingSets.ecore http://www.eclipse.org/oomph/workingsets/1.0 https://git.eclipse.org/c/oomph/org.eclipse.oomph.git/plain/setups/models/WorkingSets.ecore"
     name="spring.boot"
     label="Spring Boot">
   <setupTask
@@ -81,19 +81,19 @@
     <requirement
         name="org.springframework.ide.eclipse.boot.feature.feature.group"/>
     <repository
-        url="http://download.eclipse.org/technology/epp/packages/oxygen/R/"/>
+        url="https://download.eclipse.org/technology/epp/packages/oxygen/R/"/>
     <repository
-        url="http://download.eclipse.org/releases/oxygen/"/>
+        url="https://download.eclipse.org/releases/oxygen/"/>
     <repository
         url="http://andrei.gmxhome.de/eclipse/"/>
     <repository
         url="https://dl.bintray.com/spring/javaformat-eclipse/"/>
     <repository
-        url="http://download.eclipse.org/egit/github/updates/"/>
+        url="https://download.eclipse.org/egit/github/updates/"/>
     <repository
-        url="http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-buildhelper/0.15.0/N/0.15.0.201207090124/"/>
+        url="https://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-buildhelper/0.15.0/N/0.15.0.201207090124/"/>
     <repository
-        url="http://dist.springsource.com/release/TOOLS/update/e4.7"/>
+        url="https://dist.springsource.com/release/TOOLS/update/e4.7"/>
     <description>
       Install the tools needed in the IDE to work with the
       source code for ${scope.project.label}
diff --git a/mvnw b/mvnw
index 34d9dae8d031..d560832b5c4e 100755
--- a/mvnw
+++ b/mvnw
@@ -8,7 +8,7 @@
 # "License"); you may not use this file except in compliance
 # with the License.  You may obtain a copy of the License at
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+#    https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/mvnw.cmd b/mvnw.cmd
index 77b451d83789..d06ac67f13e5 100755
--- a/mvnw.cmd
+++ b/mvnw.cmd
@@ -7,7 +7,7 @@
 @REM "License"); you may not use this file except in compliance
 @REM with the License.  You may obtain a copy of the License at
 @REM
-@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM    https://www.apache.org/licenses/LICENSE-2.0
 @REM
 @REM Unless required by applicable law or agreed to in writing,
 @REM software distributed under the License is distributed on an
diff --git a/pom.xml b/pom.xml
index 3e57ca0038a4..b1aa0ccc4d93 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot</groupId>
 	<artifactId>spring-boot-build</artifactId>
diff --git a/spring-boot-project/pom.xml b/spring-boot-project/pom.xml
index e3d8f20ec1a3..88c0465275d8 100644
--- a/spring-boot-project/pom.xml
+++ b/spring-boot-project/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/pom.xml b/spring-boot-project/spring-boot-actuator-autoconfigure/pom.xml
index d4e80c435704..a09a74e782b6 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/pom.xml
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-actuator/pom.xml b/spring-boot-project/spring-boot-actuator/pom.xml
index b965d0835935..da3ba3f08a4b 100644
--- a/spring-boot-project/spring-boot-actuator/pom.xml
+++ b/spring-boot-project/spring-boot-actuator/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-autoconfigure/pom.xml b/spring-boot-project/spring-boot-autoconfigure/pom.xml
index 901d53cbe103..3aa16348cb03 100755
--- a/spring-boot-project/spring-boot-autoconfigure/pom.xml
+++ b/spring-boot-project/spring-boot-autoconfigure/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-cli/pom.xml b/spring-boot-project/spring-boot-cli/pom.xml
index 7fc84062f61c..f256b183a005 100644
--- a/spring-boot-project/spring-boot-cli/pom.xml
+++ b/spring-boot-project/spring-boot-cli/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-dependencies/pom.xml b/spring-boot-project/spring-boot-dependencies/pom.xml
index 36135c7b8cf2..893affbd82ae 100644
--- a/spring-boot-project/spring-boot-dependencies/pom.xml
+++ b/spring-boot-project/spring-boot-dependencies/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
@@ -16,7 +16,7 @@
 	<licenses>
 		<license>
 			<name>Apache License, Version 2.0</name>
-			<url>http://www.apache.org/licenses/LICENSE-2.0</url>
+			<url>https://www.apache.org/licenses/LICENSE-2.0</url>
 		</license>
 	</licenses>
 	<scm>
@@ -27,7 +27,7 @@
 			<name>Pivotal</name>
 			<email>info@pivotal.io</email>
 			<organization>Pivotal Software, Inc.</organization>
-			<organizationUrl>http://www.spring.io</organizationUrl>
+			<organizationUrl>https://www.spring.io</organizationUrl>
 		</developer>
 	</developers>
 	<properties>
diff --git a/spring-boot-project/spring-boot-devtools/pom.xml b/spring-boot-project/spring-boot-devtools/pom.xml
index ead29219ec7e..01ba6dfa1d70 100644
--- a/spring-boot-project/spring-boot-devtools/pom.xml
+++ b/spring-boot-project/spring-boot-devtools/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-docs/pom.xml b/spring-boot-project/spring-boot-docs/pom.xml
index 52df2318431b..0f8b8580b3e2 100644
--- a/spring-boot-project/spring-boot-docs/pom.xml
+++ b/spring-boot-project/spring-boot-docs/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-parent/pom.xml b/spring-boot-project/spring-boot-parent/pom.xml
index f6f5d1d4b0be..d82875a277e2 100644
--- a/spring-boot-project/spring-boot-parent/pom.xml
+++ b/spring-boot-project/spring-boot-parent/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
@@ -28,7 +28,7 @@
 		<spock.version>1.0-groovy-2.4</spock.version>
 	</properties>
 	<scm>
-		<url>http://github.com/spring-projects/spring-boot</url>
+		<url>https://github.com/spring-projects/spring-boot</url>
 		<connection>scm:git:git://github.com/spring-projects/spring-boot.git</connection>
 		<developerConnection>scm:git:ssh://git@github.com/spring-projects/spring-boot.git</developerConnection>
 	</scm>
diff --git a/spring-boot-project/spring-boot-properties-migrator/pom.xml b/spring-boot-project/spring-boot-properties-migrator/pom.xml
index be633048766f..f99ec9ff4930 100644
--- a/spring-boot-project/spring-boot-properties-migrator/pom.xml
+++ b/spring-boot-project/spring-boot-properties-migrator/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/pom.xml b/spring-boot-project/spring-boot-starters/pom.xml
index 6876c002b2b8..4ec3debd6186 100644
--- a/spring-boot-project/spring-boot-starters/pom.xml
+++ b/spring-boot-project/spring-boot-starters/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-activemq/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-activemq/pom.xml
index 251633f1058e..dfff06fd7909 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-activemq/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-activemq/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-actuator/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-actuator/pom.xml
index f3911fcdf1c4..512b0952224f 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-actuator/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-actuator/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-amqp/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-amqp/pom.xml
index 44ba680c16c6..3b22029953b1 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-amqp/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-amqp/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-aop/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-aop/pom.xml
index ffb3791021ff..91b67d874a35 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-aop/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-aop/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-artemis/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-artemis/pom.xml
index 8e834afe945a..11268e976b0f 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-artemis/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-artemis/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-batch/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-batch/pom.xml
index 0b6a8a232871..2968257e3d15 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-batch/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-batch/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-cache/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-cache/pom.xml
index 55dcd85c14c8..02c6b15d887f 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-cache/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-cache/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-cloud-connectors/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-cloud-connectors/pom.xml
index ccc0eb564a04..d05578b40506 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-cloud-connectors/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-cloud-connectors/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-cassandra-reactive/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-cassandra-reactive/pom.xml
index 2952fcdfba42..44509e3ba5db 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-cassandra-reactive/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-cassandra-reactive/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-cassandra/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-cassandra/pom.xml
index bd5a70b70119..b19c01a1a817 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-cassandra/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-cassandra/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-couchbase-reactive/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-couchbase-reactive/pom.xml
index 81e89c1e2c64..7967b3a96d05 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-couchbase-reactive/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-couchbase-reactive/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-couchbase/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-couchbase/pom.xml
index 006721ef9b6c..e2010d7c92dd 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-couchbase/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-couchbase/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<artifactId>spring-boot-starters</artifactId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-elasticsearch/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-elasticsearch/pom.xml
index 8d9fb1052918..8e614756cae4 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-elasticsearch/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-elasticsearch/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-jpa/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-jpa/pom.xml
index fa30536d1875..632279943d3a 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-jpa/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-jpa/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-ldap/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-ldap/pom.xml
index bd8035b0205e..65cb8f546f64 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-ldap/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-ldap/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<artifactId>spring-boot-starters</artifactId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-mongodb-reactive/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-mongodb-reactive/pom.xml
index 609e37d03ca2..0c8e747f173d 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-mongodb-reactive/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-mongodb-reactive/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-mongodb/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-mongodb/pom.xml
index 244ce053adb3..abb61460bca9 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-mongodb/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-mongodb/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-neo4j/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-neo4j/pom.xml
index ab588994464a..aabc4bb3541f 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-neo4j/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-neo4j/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-redis-reactive/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-redis-reactive/pom.xml
index f94e28b0ce04..43e647292c4e 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-redis-reactive/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-redis-reactive/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-redis/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-redis/pom.xml
index 93445086b0a2..a797c6010eb5 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-redis/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-redis/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-rest/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-rest/pom.xml
index 47a23097bdfe..7d36fd3c715a 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-rest/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-rest/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-solr/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-solr/pom.xml
index f5f5f2b1a73c..e491064ef465 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-data-solr/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-data-solr/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-freemarker/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-freemarker/pom.xml
index 1fe8c90ff5f2..daf9d8b9eea9 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-freemarker/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-freemarker/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-groovy-templates/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-groovy-templates/pom.xml
index 56ee425cf494..9ff255e53bc7 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-groovy-templates/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-groovy-templates/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-hateoas/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-hateoas/pom.xml
index cc12f4ebb41d..e034fa4db9dc 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-hateoas/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-hateoas/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-integration/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-integration/pom.xml
index 21f70b87539b..4e2963b1301e 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-integration/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-integration/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-jdbc/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-jdbc/pom.xml
index e6adba2908a4..adc9c3f3cbfd 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-jdbc/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-jdbc/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-jersey/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-jersey/pom.xml
index 3de198fa4960..5a5bbdb28700 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-jersey/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-jersey/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-jetty/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-jetty/pom.xml
index 537da2c67844..1d52cd350318 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-jetty/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-jetty/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-jooq/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-jooq/pom.xml
index f96dbe7f38dc..62f976c126f9 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-jooq/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-jooq/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-json/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-json/pom.xml
index 0f1c38efc77b..823ff8f53248 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-json/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-json/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-atomikos/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-atomikos/pom.xml
index 783612a80900..be59495bcb47 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-atomikos/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-atomikos/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-bitronix/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-bitronix/pom.xml
index 4aad29f9b5a5..8d4c9889929b 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-bitronix/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-bitronix/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-narayana/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-narayana/pom.xml
index 7680e242d390..78fbd97f40c7 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-narayana/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-jta-narayana/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<artifactId>spring-boot-starters</artifactId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-log4j2/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-log4j2/pom.xml
index 7b727798a9a7..616fe48290ee 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-log4j2/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-log4j2/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-logging/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-logging/pom.xml
index be198f957aae..2b32da1d46e5 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-logging/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-logging/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-mail/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-mail/pom.xml
index 22962246706a..057306732230 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-mail/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-mail/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-mustache/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-mustache/pom.xml
index cb7ae04303fb..d8ca6eff5988 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-mustache/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-mustache/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-parent/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-parent/pom.xml
index 8e609dafe528..01bb874564e0 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-parent/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-parent/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-quartz/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-quartz/pom.xml
index e4e92009bdc4..03fb9a3663dc 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-quartz/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-quartz/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-reactor-netty/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-reactor-netty/pom.xml
index 9b0868ce9171..b42a4337213e 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-reactor-netty/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-reactor-netty/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-security/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-security/pom.xml
index 09df43e308db..e3e9cd37fbb2 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-security/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-security/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-test/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-test/pom.xml
index 7993a5614535..60c145917ee7 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-test/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-test/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-thymeleaf/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-thymeleaf/pom.xml
index d8b36e00ddc3..a1d17bd52bde 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-thymeleaf/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-thymeleaf/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-tomcat/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-tomcat/pom.xml
index e6d8090b2e6c..1e28acde71e2 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-tomcat/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-tomcat/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-undertow/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-undertow/pom.xml
index c29c6bbc2ce1..18853b8cb1b5 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-undertow/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-undertow/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-validation/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-validation/pom.xml
index a4247b59dc5e..d464692d326b 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-validation/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-validation/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-web-services/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-web-services/pom.xml
index f493afaf8eab..4ebc4131cbe7 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-web-services/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-web-services/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-web/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-web/pom.xml
index 86318fe01dcd..56154ad3f22c 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-web/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-web/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-webflux/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-webflux/pom.xml
index 947b4dac0fc0..3352da07e5e8 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-webflux/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-webflux/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter-websocket/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter-websocket/pom.xml
index 97e595695916..d406e9aa934b 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter-websocket/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter-websocket/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-starters/spring-boot-starter/pom.xml b/spring-boot-project/spring-boot-starters/spring-boot-starter/pom.xml
index 732fb706782e..2ff9f77eae5a 100644
--- a/spring-boot-project/spring-boot-starters/spring-boot-starter/pom.xml
+++ b/spring-boot-project/spring-boot-starters/spring-boot-starter/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-test-autoconfigure/pom.xml b/spring-boot-project/spring-boot-test-autoconfigure/pom.xml
index 30ec3d70f956..f88fb02c2511 100644
--- a/spring-boot-project/spring-boot-test-autoconfigure/pom.xml
+++ b/spring-boot-project/spring-boot-test-autoconfigure/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-test/pom.xml b/spring-boot-project/spring-boot-test/pom.xml
index 1ea05b865286..2bc0e1193c28 100644
--- a/spring-boot-project/spring-boot-test/pom.xml
+++ b/spring-boot-project/spring-boot-test/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-tools/pom.xml b/spring-boot-project/spring-boot-tools/pom.xml
index 9e2c8bc4a8fc..892f2ad1f212 100644
--- a/spring-boot-project/spring-boot-tools/pom.xml
+++ b/spring-boot-project/spring-boot-tools/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-antlib/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-antlib/pom.xml
index 315d4741db14..5771365f7118 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-antlib/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-antlib/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-autoconfigure-processor/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-autoconfigure-processor/pom.xml
index 75272ab467be..8c95c516f893 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-autoconfigure-processor/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-autoconfigure-processor/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-configuration-metadata/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-configuration-metadata/pom.xml
index 4ceec4d86f6e..87443be9d02e 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-configuration-metadata/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-configuration-metadata/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/pom.xml
index 81791707f931..89b525dfd7b3 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/build.gradle b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/build.gradle
index 0e2c39d5c0b4..0a9d2f4f3f35 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/build.gradle
+++ b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/build.gradle
@@ -46,7 +46,7 @@ javadoc {
 		author()
 		stylesheetFile = file('src/main/javadoc/spring-javadoc.css')
 		links = [
-			'http://docs.oracle.com/javase/8/docs/api/',
+			'https://docs.oracle.com/javase/8/docs/api/',
 			'https://docs.gradle.org/current/javadoc/'
 		]
 	}
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/pom.xml
index c6a09fd7227e..0cb75dea2685 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/pom.xml
index 98433dbe52b5..ba06373a5cf7 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-loader/pom.xml
index 4c5d8b7bab40..f3c8bba936a0 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-dir/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-dir/pom.xml
index e67fd8328ad7..f0de7f9019ed 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-dir/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-dir/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.launcher.it</groupId>
 	<artifactId>executable-dir</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-jar/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-jar/pom.xml
index c4f6460cf275..ce437f867356 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-jar/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-jar/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.launcher.it</groupId>
 	<artifactId>executable-jar</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-props-lib/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-props-lib/pom.xml
index 2adc1ca7709b..05177800a7c7 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-props-lib/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-props-lib/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.launcher.it</groupId>
 	<artifactId>executable-props-lib</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-props/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-props/pom.xml
index b368a3608216..14ccc653a7ac 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-props/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-props/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.launcher.it</groupId>
 	<artifactId>executable-props</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-war/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-war/pom.xml
index 7cd3bf8621f9..95c493e8e6d4 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-war/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/it/executable-war/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.launcher.it</groupId>
 	<artifactId>executable-war</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/pom.xml
index d54b568a383d..2765c4377258 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info-additional-properties/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info-additional-properties/pom.xml
index 93170da8fda0..277762cedb87 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info-additional-properties/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info-additional-properties/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>build-info-additional-properties</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info-custom-file/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info-custom-file/pom.xml
index 4fd2a2a47283..acc0dc4c8ecd 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info-custom-file/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info-custom-file/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>build-info-custom-file</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info/pom.xml
index 39c748968747..4a224533ddb2 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/build-info/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>build-info</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-attach-disabled/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-attach-disabled/pom.xml
index cc0273bff49b..b9781f831f8e 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-attach-disabled/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-attach-disabled/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-attach-disabled</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-create-dir/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-create-dir/pom.xml
index 2b4780ef99c0..073fbdd95ae8 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-create-dir/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-create-dir/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-create-dir</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-custom-dir/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-custom-dir/pom.xml
index 29034371a020..c80d135a1af4 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-custom-dir/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-custom-dir/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-custom-dir</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-custom-launcher/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-custom-launcher/pom.xml
index ab01954599ec..7de57064959e 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-custom-launcher/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-custom-launcher/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-artifact/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-artifact/pom.xml
index 68115363a4a8..6b2816c3f3c5 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-artifact/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-artifact/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-exclude-artifact</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-entry/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-entry/pom.xml
index a9a71ad99732..c231b77cb63a 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-entry/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-entry/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-exclude-entry</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-group/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-group/pom.xml
index 9e842b798f17..01f4ef7d2c01 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-group/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-exclude-group/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-exclude-group</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-executable/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-executable/pom.xml
index c2c262538151..fa9c8e8931b2 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-executable/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-executable/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-executable</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/acme-lib/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/acme-lib/pom.xml
index 5870c43bc3ab..ac52290acfa9 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/acme-lib/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/acme-lib/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>acme-lib</artifactId>
 
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/another-acme-lib/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/another-acme-lib/pom.xml
index 455e4714ecd6..70f0ccda7828 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/another-acme-lib/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/another-acme-lib/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it.another</groupId>
 	<artifactId>acme-lib</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/pom.xml
index b747eea93ed3..e546b8fa7b2e 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-lib-name-conflict</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/test-project/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/test-project/pom.xml
index 8403443543fb..cc8aa0e2553e 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/test-project/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-lib-name-conflict/test-project/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>test-project</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-non-executable/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-non-executable/pom.xml
index 2403c2c450a2..2cf7051f7a10 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-non-executable/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-non-executable/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-pom/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-pom/pom.xml
index a8242ceb287d..621ec6b2d134 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-pom/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-pom/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-pom</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-skip/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-skip/pom.xml
index 114538f88e6e..23021a8af882 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-skip/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-skip/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-skip</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-system-scope-default/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-system-scope-default/pom.xml
index 26d4ce5f1c81..fe880eca81ec 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-system-scope-default/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-system-scope-default/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-system-scope-default</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-system-scope/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-system-scope/pom.xml
index fce31c80e824..211006d5e549 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-system-scope/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-system-scope/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-system-scope</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-test-scope/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-test-scope/pom.xml
index 77d6a2d5c0bc..b2fb59b0df61 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-test-scope/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-test-scope/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-test-scope</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-with-unpack/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-with-unpack/pom.xml
index 53d77b60dd80..a42bc89c3d58 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-with-unpack/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-with-unpack/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar-with-unpack</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar/pom.xml
index 9d9f4f4f0afb..04bb4067f85c 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/prop/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/prop/pom.xml
index 0bf484950221..e804ec9c513e 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/prop/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/prop/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>jar</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-devtools/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-devtools/pom.xml
index b73e705aa49b..eeac82763d24 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-devtools/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-devtools/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>run-devtools</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-disable-fork/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-disable-fork/pom.xml
index 142c1c68295c..a03ea993abee 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-disable-fork/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-disable-fork/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>run-disable-fork</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-exclude/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-exclude/pom.xml
index 434e62875f21..9f1ba265497e 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-exclude/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-exclude/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>run-exclude</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-fork/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-fork/pom.xml
index 4fe50481b196..06d0784d02ed 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-fork/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-fork/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>run-fork</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-jvmargs/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-jvmargs/pom.xml
index 7d9f081ac6a9..d7f82c8cd44c 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-jvmargs/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-jvmargs/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>run-jvmargs</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-profiles-fork/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-profiles-fork/pom.xml
index 98f7217e1243..0b8a5144b378 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-profiles-fork/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-profiles-fork/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>run-profiles</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-profiles/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-profiles/pom.xml
index 1b26e5d92902..05049787147f 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-profiles/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-profiles/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>run-profiles</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-use-test-classpath/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-use-test-classpath/pom.xml
index db79b18aade4..60324f947df0 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-use-test-classpath/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-use-test-classpath/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>run-use-test-classpath</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-working-directory/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-working-directory/pom.xml
index d878ea58253e..c82a150c74a1 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-working-directory/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run-working-directory/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>run-working-directory</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run/pom.xml
index 48c6feb33d2f..75990e213642 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/run/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>run</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-automatic-fork/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-automatic-fork/pom.xml
index d1c879e52460..1d9e83497bfd 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-automatic-fork/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-automatic-fork/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>start-stop-automatic-fork</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-fork/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-fork/pom.xml
index 7f9405cbe9ec..009e876a5c2b 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-fork/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-fork/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>start-stop-fork</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-skip/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-skip/pom.xml
index d6c0c13d4e87..7186b4d6bd45 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-skip/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop-skip/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>start-stop-skip</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop/pom.xml
index 07d548d4995f..8a1a8ad6714c 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/start-stop/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>start-stop</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/jar/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/jar/pom.xml
index 897420ea9344..b280027e5dc1 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/jar/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/jar/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot.maven.it</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/pom.xml
index dbfb801f2ec6..160abac80ae2 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>war-reactor</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/war/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/war/pom.xml
index 845d73c68b9d..513870f2341d 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/war/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-reactor/war/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot.maven.it</groupId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-with-unpack/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-with-unpack/pom.xml
index 9eb8ec6099cc..f4b9b97a6465 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-with-unpack/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war-with-unpack/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>war</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war/pom.xml
index 14d4fc64081d..1bbca43316db 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/war/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>war</artifactId>
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-test-support/pom.xml b/spring-boot-project/spring-boot-tools/spring-boot-test-support/pom.xml
index d9c327ec90cc..275095758441 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-test-support/pom.xml
+++ b/spring-boot-project/spring-boot-tools/spring-boot-test-support/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-project/spring-boot/pom.xml b/spring-boot-project/spring-boot/pom.xml
index aff395bf3f28..d1d963ffc10f 100644
--- a/spring-boot-project/spring-boot/pom.xml
+++ b/spring-boot-project/spring-boot/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-samples-invoker/pom.xml b/spring-boot-samples-invoker/pom.xml
index 620c1f8f7890..1b6538aaf9af 100644
--- a/spring-boot-samples-invoker/pom.xml
+++ b/spring-boot-samples-invoker/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-samples/pom.xml b/spring-boot-samples/pom.xml
index 2c99390f3273..784877679884 100644
--- a/spring-boot-samples/pom.xml
+++ b/spring-boot-samples/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-samples/spring-boot-sample-activemq/pom.xml b/spring-boot-samples/spring-boot-sample-activemq/pom.xml
index 77788e5744fd..5a865f768081 100644
--- a/spring-boot-samples/spring-boot-sample-activemq/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-activemq/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-actuator-custom-security/pom.xml b/spring-boot-samples/spring-boot-sample-actuator-custom-security/pom.xml
index 907431e4f82c..4f94511e49b7 100644
--- a/spring-boot-samples/spring-boot-sample-actuator-custom-security/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-actuator-custom-security/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-actuator-log4j2/pom.xml b/spring-boot-samples/spring-boot-sample-actuator-log4j2/pom.xml
index cadbd0fed682..759e4926ea90 100644
--- a/spring-boot-samples/spring-boot-sample-actuator-log4j2/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-actuator-log4j2/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-actuator-noweb/pom.xml b/spring-boot-samples/spring-boot-sample-actuator-noweb/pom.xml
index 3f095c08fe3b..add5fe534d0b 100644
--- a/spring-boot-samples/spring-boot-sample-actuator-noweb/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-actuator-noweb/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-actuator-ui/pom.xml b/spring-boot-samples/spring-boot-sample-actuator-ui/pom.xml
index ebe191f952c8..04cec5b143d7 100644
--- a/spring-boot-samples/spring-boot-sample-actuator-ui/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-actuator-ui/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-actuator/pom.xml b/spring-boot-samples/spring-boot-sample-actuator/pom.xml
index e5d1def42948..7c345c7f858e 100644
--- a/spring-boot-samples/spring-boot-sample-actuator/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-actuator/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-amqp/pom.xml b/spring-boot-samples/spring-boot-sample-amqp/pom.xml
index c6a66a610081..9b5f70537a76 100644
--- a/spring-boot-samples/spring-boot-sample-amqp/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-amqp/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-animated-banner/pom.xml b/spring-boot-samples/spring-boot-sample-animated-banner/pom.xml
index d2867a099743..69621abbb2bf 100644
--- a/spring-boot-samples/spring-boot-sample-animated-banner/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-animated-banner/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-ant/pom.xml b/spring-boot-samples/spring-boot-sample-ant/pom.xml
index fb43ce74a13e..7b42650ce511 100644
--- a/spring-boot-samples/spring-boot-sample-ant/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-ant/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<!-- This POM is just to trigger the Ant/Ivy sample from Maven and to test -->
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
diff --git a/spring-boot-samples/spring-boot-sample-aop/pom.xml b/spring-boot-samples/spring-boot-sample-aop/pom.xml
index 8f172c57bb41..d09cae360ef7 100644
--- a/spring-boot-samples/spring-boot-sample-aop/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-aop/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-atmosphere/pom.xml b/spring-boot-samples/spring-boot-sample-atmosphere/pom.xml
index d945b24c6551..64b73a0cd6c7 100644
--- a/spring-boot-samples/spring-boot-sample-atmosphere/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-atmosphere/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-batch/pom.xml b/spring-boot-samples/spring-boot-sample-batch/pom.xml
index 6222729de8e9..a08bf27fef3f 100644
--- a/spring-boot-samples/spring-boot-sample-batch/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-batch/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-cache/pom.xml b/spring-boot-samples/spring-boot-sample-cache/pom.xml
index 148f23c8e8c3..349bdb8bae0c 100644
--- a/spring-boot-samples/spring-boot-sample-cache/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-cache/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-custom-layout/pom.xml b/spring-boot-samples/spring-boot-sample-custom-layout/pom.xml
index e526d94d32e6..c681e9df3495 100644
--- a/spring-boot-samples/spring-boot-sample-custom-layout/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-custom-layout/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-custom-layout/src/it/custom/pom.xml b/spring-boot-samples/spring-boot-sample-custom-layout/src/it/custom/pom.xml
index a4e8aa16d05f..9ee510b000c4 100644
--- a/spring-boot-samples/spring-boot-sample-custom-layout/src/it/custom/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-custom-layout/src/it/custom/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>custom</artifactId>
diff --git a/spring-boot-samples/spring-boot-sample-custom-layout/src/it/default/pom.xml b/spring-boot-samples/spring-boot-sample-custom-layout/src/it/default/pom.xml
index 9b891c19d3c9..3937a72a21e8 100644
--- a/spring-boot-samples/spring-boot-sample-custom-layout/src/it/default/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-custom-layout/src/it/default/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
 	<artifactId>default</artifactId>
diff --git a/spring-boot-samples/spring-boot-sample-data-cassandra/pom.xml b/spring-boot-samples/spring-boot-sample-data-cassandra/pom.xml
index fef2563b04c7..58a91785c79d 100644
--- a/spring-boot-samples/spring-boot-sample-data-cassandra/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-data-cassandra/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-data-couchbase/pom.xml b/spring-boot-samples/spring-boot-sample-data-couchbase/pom.xml
index 2276bf0fc0e7..4e99416f7926 100644
--- a/spring-boot-samples/spring-boot-sample-data-couchbase/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-data-couchbase/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<artifactId>spring-boot-samples</artifactId>
diff --git a/spring-boot-samples/spring-boot-sample-data-elasticsearch/pom.xml b/spring-boot-samples/spring-boot-sample-data-elasticsearch/pom.xml
index d040f5ef1fdc..bb4272b85578 100644
--- a/spring-boot-samples/spring-boot-sample-data-elasticsearch/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-data-elasticsearch/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-data-jpa/pom.xml b/spring-boot-samples/spring-boot-sample-data-jpa/pom.xml
index 762601567c7a..4e1824775bd1 100755
--- a/spring-boot-samples/spring-boot-sample-data-jpa/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-data-jpa/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-data-ldap/pom.xml b/spring-boot-samples/spring-boot-sample-data-ldap/pom.xml
index 5650bced0d6c..69d10ad63b27 100644
--- a/spring-boot-samples/spring-boot-sample-data-ldap/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-data-ldap/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-data-mongodb/pom.xml b/spring-boot-samples/spring-boot-sample-data-mongodb/pom.xml
index fdaae9aad296..e661d7c70282 100644
--- a/spring-boot-samples/spring-boot-sample-data-mongodb/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-data-mongodb/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-data-neo4j/pom.xml b/spring-boot-samples/spring-boot-sample-data-neo4j/pom.xml
index 0195f76c6bc3..999257bc3c48 100644
--- a/spring-boot-samples/spring-boot-sample-data-neo4j/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-data-neo4j/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-data-redis/pom.xml b/spring-boot-samples/spring-boot-sample-data-redis/pom.xml
index 2f76f69a04a5..0b0c8479801f 100644
--- a/spring-boot-samples/spring-boot-sample-data-redis/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-data-redis/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-data-rest/pom.xml b/spring-boot-samples/spring-boot-sample-data-rest/pom.xml
index 010e571d6a6a..58f36056e408 100644
--- a/spring-boot-samples/spring-boot-sample-data-rest/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-data-rest/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-data-solr/pom.xml b/spring-boot-samples/spring-boot-sample-data-solr/pom.xml
index ff6a1c0e71b8..f6a72b52583d 100644
--- a/spring-boot-samples/spring-boot-sample-data-solr/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-data-solr/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-devtools/pom.xml b/spring-boot-samples/spring-boot-sample-devtools/pom.xml
index ed19f0db5134..e692c813b037 100644
--- a/spring-boot-samples/spring-boot-sample-devtools/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-devtools/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-flyway/pom.xml b/spring-boot-samples/spring-boot-sample-flyway/pom.xml
index cd19bce8fdbb..39453ef1c83d 100644
--- a/spring-boot-samples/spring-boot-sample-flyway/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-flyway/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-hateoas/pom.xml b/spring-boot-samples/spring-boot-sample-hateoas/pom.xml
index 96df6d406733..cc64688ecb0e 100644
--- a/spring-boot-samples/spring-boot-sample-hateoas/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-hateoas/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-integration/pom.xml b/spring-boot-samples/spring-boot-sample-integration/pom.xml
index ca1df5b95606..09fd96017c97 100644
--- a/spring-boot-samples/spring-boot-sample-integration/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-integration/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jersey/pom.xml b/spring-boot-samples/spring-boot-sample-jersey/pom.xml
index 2a63b6e336a3..331835a5ab3b 100644
--- a/spring-boot-samples/spring-boot-sample-jersey/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jersey/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jersey1/pom.xml b/spring-boot-samples/spring-boot-sample-jersey1/pom.xml
index 8df7805ad2b5..59971344c590 100644
--- a/spring-boot-samples/spring-boot-sample-jersey1/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jersey1/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jetty-jsp/pom.xml b/spring-boot-samples/spring-boot-sample-jetty-jsp/pom.xml
index e208d3a8862a..b2d07d244bb3 100644
--- a/spring-boot-samples/spring-boot-sample-jetty-jsp/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jetty-jsp/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jetty-ssl/pom.xml b/spring-boot-samples/spring-boot-sample-jetty-ssl/pom.xml
index 05468a45b355..7206d0707f76 100644
--- a/spring-boot-samples/spring-boot-sample-jetty-ssl/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jetty-ssl/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jetty/pom.xml b/spring-boot-samples/spring-boot-sample-jetty/pom.xml
index b5729f797af5..c617914d43bb 100644
--- a/spring-boot-samples/spring-boot-sample-jetty/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jetty/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jooq/pom.xml b/spring-boot-samples/spring-boot-sample-jooq/pom.xml
index b838acbe6f2b..2f60fb8efb70 100644
--- a/spring-boot-samples/spring-boot-sample-jooq/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jooq/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jpa/pom.xml b/spring-boot-samples/spring-boot-sample-jpa/pom.xml
index cc03b62548db..22de0723f90a 100644
--- a/spring-boot-samples/spring-boot-sample-jpa/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jpa/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jta-atomikos/pom.xml b/spring-boot-samples/spring-boot-sample-jta-atomikos/pom.xml
index fe88c18245ff..79ba822b7fb6 100644
--- a/spring-boot-samples/spring-boot-sample-jta-atomikos/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jta-atomikos/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jta-bitronix/pom.xml b/spring-boot-samples/spring-boot-sample-jta-bitronix/pom.xml
index 78ac055e63d5..eedd005e1285 100644
--- a/spring-boot-samples/spring-boot-sample-jta-bitronix/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jta-bitronix/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jta-jndi/pom.xml b/spring-boot-samples/spring-boot-sample-jta-jndi/pom.xml
index 7677895fd879..e52d4a56f6c9 100644
--- a/spring-boot-samples/spring-boot-sample-jta-jndi/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jta-jndi/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-jta-narayana/pom.xml b/spring-boot-samples/spring-boot-sample-jta-narayana/pom.xml
index 210eef51e7d3..41ac6d3cfebf 100644
--- a/spring-boot-samples/spring-boot-sample-jta-narayana/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-jta-narayana/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<artifactId>spring-boot-samples</artifactId>
diff --git a/spring-boot-samples/spring-boot-sample-junit-jupiter/pom.xml b/spring-boot-samples/spring-boot-sample-junit-jupiter/pom.xml
index f59301f5032f..d1edef17dd0b 100644
--- a/spring-boot-samples/spring-boot-sample-junit-jupiter/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-junit-jupiter/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-kafka/pom.xml b/spring-boot-samples/spring-boot-sample-kafka/pom.xml
index d902964c70cc..e10ff6a2d66b 100644
--- a/spring-boot-samples/spring-boot-sample-kafka/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-kafka/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-liquibase/pom.xml b/spring-boot-samples/spring-boot-sample-liquibase/pom.xml
index a5b4edbed96b..0344d13556ef 100644
--- a/spring-boot-samples/spring-boot-sample-liquibase/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-liquibase/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-logback/pom.xml b/spring-boot-samples/spring-boot-sample-logback/pom.xml
index c16190892b4e..aa0472326560 100644
--- a/spring-boot-samples/spring-boot-sample-logback/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-logback/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-oauth2-client/pom.xml b/spring-boot-samples/spring-boot-sample-oauth2-client/pom.xml
index b65604255e21..4d2368c92d22 100644
--- a/spring-boot-samples/spring-boot-sample-oauth2-client/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-oauth2-client/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-parent-context/pom.xml b/spring-boot-samples/spring-boot-sample-parent-context/pom.xml
index 24fa2454e6b1..843b4082cb3e 100644
--- a/spring-boot-samples/spring-boot-sample-parent-context/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-parent-context/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-profile/pom.xml b/spring-boot-samples/spring-boot-sample-profile/pom.xml
index 7ce8ebed9285..0f85b31c2901 100644
--- a/spring-boot-samples/spring-boot-sample-profile/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-profile/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-property-validation/pom.xml b/spring-boot-samples/spring-boot-sample-property-validation/pom.xml
index 13c9bf7e6a45..8f1db1b32669 100644
--- a/spring-boot-samples/spring-boot-sample-property-validation/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-property-validation/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-quartz/pom.xml b/spring-boot-samples/spring-boot-sample-quartz/pom.xml
index 0db481251c04..95428ba8e5c6 100644
--- a/spring-boot-samples/spring-boot-sample-quartz/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-quartz/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-secure-webflux/pom.xml b/spring-boot-samples/spring-boot-sample-secure-webflux/pom.xml
index 056559a6c554..f5da9b2f9168 100644
--- a/spring-boot-samples/spring-boot-sample-secure-webflux/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-secure-webflux/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-secure/pom.xml b/spring-boot-samples/spring-boot-sample-secure/pom.xml
index cb97886bd86c..cbe546632a54 100644
--- a/spring-boot-samples/spring-boot-sample-secure/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-secure/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-servlet/pom.xml b/spring-boot-samples/spring-boot-sample-servlet/pom.xml
index f038702497b3..caf93b3a2b92 100644
--- a/spring-boot-samples/spring-boot-sample-servlet/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-servlet/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-session-webflux/pom.xml b/spring-boot-samples/spring-boot-sample-session-webflux/pom.xml
index 2e381e027e12..70deda9256f5 100644
--- a/spring-boot-samples/spring-boot-sample-session-webflux/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-session-webflux/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-session/pom.xml b/spring-boot-samples/spring-boot-sample-session/pom.xml
index 8cc146db0646..8d1469c3215c 100644
--- a/spring-boot-samples/spring-boot-sample-session/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-session/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-simple/pom.xml b/spring-boot-samples/spring-boot-sample-simple/pom.xml
index b81abbdbd766..1af3deaf1df4 100644
--- a/spring-boot-samples/spring-boot-sample-simple/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-simple/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-test-nomockito/pom.xml b/spring-boot-samples/spring-boot-sample-test-nomockito/pom.xml
index 8cd211de1ff2..fc12f65e7479 100644
--- a/spring-boot-samples/spring-boot-sample-test-nomockito/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-test-nomockito/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-test/pom.xml b/spring-boot-samples/spring-boot-sample-test/pom.xml
index 1bc14adf0d4c..ea7300bcf734 100644
--- a/spring-boot-samples/spring-boot-sample-test/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-test/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-testng/pom.xml b/spring-boot-samples/spring-boot-sample-testng/pom.xml
index e5b0c098534b..6507f0ac76f1 100644
--- a/spring-boot-samples/spring-boot-sample-testng/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-testng/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-tomcat-jsp/pom.xml b/spring-boot-samples/spring-boot-sample-tomcat-jsp/pom.xml
index 51b7e6072ad6..57f0b1d5be24 100644
--- a/spring-boot-samples/spring-boot-sample-tomcat-jsp/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-tomcat-jsp/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-tomcat-multi-connectors/pom.xml b/spring-boot-samples/spring-boot-sample-tomcat-multi-connectors/pom.xml
index 95c7d74d39ca..4b51173be7bc 100644
--- a/spring-boot-samples/spring-boot-sample-tomcat-multi-connectors/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-tomcat-multi-connectors/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-tomcat-ssl/pom.xml b/spring-boot-samples/spring-boot-sample-tomcat-ssl/pom.xml
index c5d315d13156..4992e1c16d4d 100644
--- a/spring-boot-samples/spring-boot-sample-tomcat-ssl/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-tomcat-ssl/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-tomcat/pom.xml b/spring-boot-samples/spring-boot-sample-tomcat/pom.xml
index c8dde3ad1785..0af042888547 100644
--- a/spring-boot-samples/spring-boot-sample-tomcat/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-tomcat/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-traditional/pom.xml b/spring-boot-samples/spring-boot-sample-traditional/pom.xml
index 68aaa8b06b51..b285d1170963 100644
--- a/spring-boot-samples/spring-boot-sample-traditional/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-traditional/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-undertow-ssl/pom.xml b/spring-boot-samples/spring-boot-sample-undertow-ssl/pom.xml
index b6f70af7f4a8..e92d770b724a 100644
--- a/spring-boot-samples/spring-boot-sample-undertow-ssl/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-undertow-ssl/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-undertow/pom.xml b/spring-boot-samples/spring-boot-sample-undertow/pom.xml
index 1632ead15b4d..a8aa5e498cc1 100644
--- a/spring-boot-samples/spring-boot-sample-undertow/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-undertow/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-war/pom.xml b/spring-boot-samples/spring-boot-sample-war/pom.xml
index 65276f61ce94..5fba22a47f4a 100644
--- a/spring-boot-samples/spring-boot-sample-war/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-war/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-web-freemarker/pom.xml b/spring-boot-samples/spring-boot-sample-web-freemarker/pom.xml
index 50b8815632d7..60d354440592 100644
--- a/spring-boot-samples/spring-boot-sample-web-freemarker/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-web-freemarker/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-web-groovy-templates/pom.xml b/spring-boot-samples/spring-boot-sample-web-groovy-templates/pom.xml
index c57533602299..e4130b025f75 100755
--- a/spring-boot-samples/spring-boot-sample-web-groovy-templates/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-web-groovy-templates/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-web-jsp/pom.xml b/spring-boot-samples/spring-boot-sample-web-jsp/pom.xml
index 18c3caaa6046..003e64026753 100644
--- a/spring-boot-samples/spring-boot-sample-web-jsp/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-web-jsp/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-web-method-security/pom.xml b/spring-boot-samples/spring-boot-sample-web-method-security/pom.xml
index 37073d87232d..1426a20d61ea 100644
--- a/spring-boot-samples/spring-boot-sample-web-method-security/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-web-method-security/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-web-mustache/pom.xml b/spring-boot-samples/spring-boot-sample-web-mustache/pom.xml
index 8e4ed9be4ef2..40b50bce1528 100644
--- a/spring-boot-samples/spring-boot-sample-web-mustache/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-web-mustache/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-web-secure-custom/pom.xml b/spring-boot-samples/spring-boot-sample-web-secure-custom/pom.xml
index 0795b36fac91..49df77db04d8 100644
--- a/spring-boot-samples/spring-boot-sample-web-secure-custom/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-web-secure-custom/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-web-secure-jdbc/pom.xml b/spring-boot-samples/spring-boot-sample-web-secure-jdbc/pom.xml
index 6b7e5f01d9ac..ddc52511dacb 100644
--- a/spring-boot-samples/spring-boot-sample-web-secure-jdbc/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-web-secure-jdbc/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-web-secure/pom.xml b/spring-boot-samples/spring-boot-sample-web-secure/pom.xml
index f7f6a66a8ce6..e211862496ba 100644
--- a/spring-boot-samples/spring-boot-sample-web-secure/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-web-secure/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-web-static/pom.xml b/spring-boot-samples/spring-boot-sample-web-static/pom.xml
index b590aa385afd..df792911ac7a 100644
--- a/spring-boot-samples/spring-boot-sample-web-static/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-web-static/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-web-ui/pom.xml b/spring-boot-samples/spring-boot-sample-web-ui/pom.xml
index c0b1e4c3aeb5..a2ddf1968c5b 100755
--- a/spring-boot-samples/spring-boot-sample-web-ui/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-web-ui/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-webflux/pom.xml b/spring-boot-samples/spring-boot-sample-webflux/pom.xml
index 3acda5b0c000..3b1e7a3abf41 100644
--- a/spring-boot-samples/spring-boot-sample-webflux/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-webflux/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-webservices/pom.xml b/spring-boot-samples/spring-boot-sample-webservices/pom.xml
index 397d86017279..9baac4efd068 100644
--- a/spring-boot-samples/spring-boot-sample-webservices/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-webservices/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-websocket-jetty/pom.xml b/spring-boot-samples/spring-boot-sample-websocket-jetty/pom.xml
index 06cc3fcbcafb..9b0de569fa97 100755
--- a/spring-boot-samples/spring-boot-sample-websocket-jetty/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-websocket-jetty/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-websocket-tomcat/pom.xml b/spring-boot-samples/spring-boot-sample-websocket-tomcat/pom.xml
index 74a9b34a81da..ccbc0cdf2a91 100755
--- a/spring-boot-samples/spring-boot-sample-websocket-tomcat/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-websocket-tomcat/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-websocket-undertow/pom.xml b/spring-boot-samples/spring-boot-sample-websocket-undertow/pom.xml
index 75bfa96b4945..5d0a263888f0 100755
--- a/spring-boot-samples/spring-boot-sample-websocket-undertow/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-websocket-undertow/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-samples/spring-boot-sample-xml/pom.xml b/spring-boot-samples/spring-boot-sample-xml/pom.xml
index 7589aaefa043..a50fc95b9727 100644
--- a/spring-boot-samples/spring-boot-sample-xml/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-xml/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
diff --git a/spring-boot-tests/pom.xml b/spring-boot-tests/pom.xml
index b959e45a2830..09d78c5bf676 100644
--- a/spring-boot-tests/pom.xml
+++ b/spring-boot-tests/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-tests/spring-boot-deployment-tests/pom.xml b/spring-boot-tests/spring-boot-deployment-tests/pom.xml
index a04f2b6d9e9e..75d26a05f202 100644
--- a/spring-boot-tests/spring-boot-deployment-tests/pom.xml
+++ b/spring-boot-tests/spring-boot-deployment-tests/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-glassfish/pom.xml b/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-glassfish/pom.xml
index 28c896abb044..2c6ef7eabd7d 100644
--- a/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-glassfish/pom.xml
+++ b/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-glassfish/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-tomcat/pom.xml b/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-tomcat/pom.xml
index 867dc61bfd5c..aa6454dc5631 100644
--- a/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-tomcat/pom.xml
+++ b/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-tomcat/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-tomee/pom.xml b/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-tomee/pom.xml
index 0d1eca846b17..7c919e0e8e6d 100644
--- a/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-tomee/pom.xml
+++ b/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-tomee/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-wildfly/pom.xml b/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-wildfly/pom.xml
index fa6594986335..da7cf1fa1b63 100644
--- a/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-wildfly/pom.xml
+++ b/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-wildfly/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
@@ -14,7 +14,7 @@
 		<main.basedir>${basedir}/../../..</main.basedir>
 		<wildfly.version>12.0.0.Final</wildfly.version>
 		<cargo.container.id>wildfly12x</cargo.container.id>
-		<cargo.container.url>http://download.jboss.org/wildfly/${wildfly.version}/wildfly-${wildfly.version}.zip
+		<cargo.container.url>https://download.jboss.org/wildfly/${wildfly.version}/wildfly-${wildfly.version}.zip
 		</cargo.container.url>
 	</properties>
 	<dependencies>
diff --git a/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-wlp/pom.xml b/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-wlp/pom.xml
index 69147b1683a3..16f93a5c0348 100644
--- a/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-wlp/pom.xml
+++ b/spring-boot-tests/spring-boot-deployment-tests/spring-boot-deployment-test-wlp/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-tests/spring-boot-integration-tests/pom.xml b/spring-boot-tests/spring-boot-integration-tests/pom.xml
index 109135924969..16c814635a76 100644
--- a/spring-boot-tests/spring-boot-integration-tests/pom.xml
+++ b/spring-boot-tests/spring-boot-integration-tests/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-tests/spring-boot-integration-tests/spring-boot-configuration-processor-tests/pom.xml b/spring-boot-tests/spring-boot-integration-tests/spring-boot-configuration-processor-tests/pom.xml
index 571f6d7500f1..3531adae4522 100644
--- a/spring-boot-tests/spring-boot-integration-tests/spring-boot-configuration-processor-tests/pom.xml
+++ b/spring-boot-tests/spring-boot-integration-tests/spring-boot-configuration-processor-tests/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-tests/spring-boot-integration-tests/spring-boot-devtools-tests/pom.xml b/spring-boot-tests/spring-boot-integration-tests/spring-boot-devtools-tests/pom.xml
index 1653a8f930a3..1a56f1dde9e1 100644
--- a/spring-boot-tests/spring-boot-integration-tests/spring-boot-devtools-tests/pom.xml
+++ b/spring-boot-tests/spring-boot-integration-tests/spring-boot-devtools-tests/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-tests/spring-boot-integration-tests/spring-boot-launch-script-tests/pom.xml b/spring-boot-tests/spring-boot-integration-tests/spring-boot-launch-script-tests/pom.xml
index 0cbf662c005d..cbca7378a750 100644
--- a/spring-boot-tests/spring-boot-integration-tests/spring-boot-launch-script-tests/pom.xml
+++ b/spring-boot-tests/spring-boot-integration-tests/spring-boot-launch-script-tests/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-tests/spring-boot-integration-tests/spring-boot-launch-script-tests/src/test/resources/conf/CentOS/6.9-a23bced6/Dockerfile b/spring-boot-tests/spring-boot-integration-tests/spring-boot-launch-script-tests/src/test/resources/conf/CentOS/6.9-a23bced6/Dockerfile
index 71ca8d22351f..f4856452b616 100644
--- a/spring-boot-tests/spring-boot-integration-tests/spring-boot-launch-script-tests/src/test/resources/conf/CentOS/6.9-a23bced6/Dockerfile
+++ b/spring-boot-tests/spring-boot-integration-tests/spring-boot-launch-script-tests/src/test/resources/conf/CentOS/6.9-a23bced6/Dockerfile
@@ -4,6 +4,6 @@ RUN yum install -y wget && \
     yum install -y system-config-services && \
     yum install -y curl && \
     wget --output-document jdk.rpm \
-        http://cdn.azul.com/zulu/bin/zulu8.21.0.1-jdk8.0.131-linux.x86_64.rpm && \
+        https://cdn.azul.com/zulu/bin/zulu8.21.0.1-jdk8.0.131-linux.x86_64.rpm && \
     yum --nogpg localinstall -y jdk.rpm && \
     rm -f jdk.rpm
diff --git a/spring-boot-tests/spring-boot-integration-tests/spring-boot-server-tests/pom.xml b/spring-boot-tests/spring-boot-integration-tests/spring-boot-server-tests/pom.xml
index 3cfac3450880..355439526a6c 100644
--- a/spring-boot-tests/spring-boot-integration-tests/spring-boot-server-tests/pom.xml
+++ b/spring-boot-tests/spring-boot-integration-tests/spring-boot-server-tests/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>