From c7ebd8b63c7b90f947a770563801a964beea2739 Mon Sep 17 00:00:00 2001
From: "Steven R. Loomis" <srl295@gmail.com>
Date: Mon, 28 Feb 2022 11:13:45 -0600
Subject: [PATCH] CLDR-14311 use JDK11 for build (#960)

- use JDK 11 in CI and in pom.xml
- 11 is LTS until 2023
---
 .github/workflows/build-icu.yml     | 8 ++++----
 .github/workflows/exhaustive.yml    | 4 ++--
 .github/workflows/maven-release.yml | 4 ++--
 .github/workflows/maven.yml         | 8 ++++----
 .github/workflows/production.yml    | 4 ++--
 tools/pom.xml                       | 4 ++--
 6 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/.github/workflows/build-icu.yml b/.github/workflows/build-icu.yml
index aed3ea95024..fe212df2052 100644
--- a/.github/workflows/build-icu.yml
+++ b/.github/workflows/build-icu.yml
@@ -32,10 +32,10 @@ jobs:
           ref: ${{ github.event.inputs.cldr-ref }}
           lfs: false
           repository: ${{ github.event.inputs.cldr-repo }}
-      - name: Set up JDK 1.8
+      - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with:
@@ -86,10 +86,10 @@ jobs:
         with:
           name: cldr-code
           path: cldr-code
-      - name: Set up JDK 1.8
+      - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Setup Maven Settings
         uses: s4u/maven-settings-action@v2.4.1
         with:
diff --git a/.github/workflows/exhaustive.yml b/.github/workflows/exhaustive.yml
index 4702adf422a..aaa2e347d26 100644
--- a/.github/workflows/exhaustive.yml
+++ b/.github/workflows/exhaustive.yml
@@ -29,10 +29,10 @@ jobs:
           fetch-depth: 0  # Needed for cldr-archive
           ref: ${{ github.event.inputs.git-ref }}
         if: github.event.inputs.git-ref != ''
-      - name: Set up JDK 1.8
+      - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with:
diff --git a/.github/workflows/maven-release.yml b/.github/workflows/maven-release.yml
index 8c021d8a2af..e6b9506f433 100644
--- a/.github/workflows/maven-release.yml
+++ b/.github/workflows/maven-release.yml
@@ -10,10 +10,10 @@ jobs:
       - uses: actions/checkout@v2
         with:
           lfs: false
-      - name: Set up JDK 1.8
+      - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with:
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 52041500b8f..544422e4e23 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -28,10 +28,10 @@ jobs:
           lfs: false
           ref: ${{ github.event.inputs.git-ref }}
         if: github.event.inputs.git-ref != ''
-      - name: Set up JDK 1.8
+      - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with:
@@ -106,10 +106,10 @@ jobs:
           lfs: false
           ref: ${{ github.event.inputs.git-ref }}
         if: github.event.inputs.git-ref != ''
-      - name: Set up JDK 1.8
+      - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Download cldr-code.jar
         uses: actions/download-artifact@v2
         with:
diff --git a/.github/workflows/production.yml b/.github/workflows/production.yml
index a5de04b5168..fa530bcf7c9 100644
--- a/.github/workflows/production.yml
+++ b/.github/workflows/production.yml
@@ -26,10 +26,10 @@ jobs:
         id: tagname
         run: >
           echo "::set-output name=tag::$(env TZ=UTC date +'production/%Y-%m-%d-%H%Mz')"
-      - name: Set up JDK 1.8
+      - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with:
diff --git a/tools/pom.xml b/tools/pom.xml
index b6d191111a1..5e8ae107582 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -18,8 +18,8 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<maven.compiler.source>1.8</maven.compiler.source>
-		<maven.compiler.target>1.8</maven.compiler.target>
+		<maven.compiler.source>11</maven.compiler.source>
+		<maven.compiler.target>11</maven.compiler.target>
 		<!-- Note: see https://github.com/unicode-org/icu/packages/411079/versions
 			for the icu4j.version tag to use -->
 		<icu4j.version>71.0.1-SNAPSHOT-cldr-2022-02-23</icu4j.version>