diff --git a/documents/contents/guidebooks/how-to-develop/java/sub-project-settings/message-management.md b/documents/contents/guidebooks/how-to-develop/java/sub-project-settings/message-management.md
index aded97b6c..98154a441 100644
--- a/documents/contents/guidebooks/how-to-develop/java/sub-project-settings/message-management.md
+++ b/documents/contents/guidebooks/how-to-develop/java/sub-project-settings/message-management.md
@@ -73,3 +73,25 @@ public class ErrorMessageBuilder {
   }
 }
 ```
+
+また、 `#!java @Service` や `#!java @Controller` 、 `#!java @Component` といった Bean 登録されたクラス内で `MessageSource` を利用する場合は、 `#!java @Autowired` による DI で実装します。
+
+以下は、プロパティファイルからエラーレスポンスに含めるメッセージを整形する `ProblemDetailsFactory.java` クラスの例です。
+
+```java title="ProblemDetailsFactory.java" hl_lines="4 5 11"
+@Component
+public class ProblemDetailsFactory {
+
+  @Autowired
+  private MessageSource messages;
+
+  public ProblemDetail createProblemDetail(ErrorMessageBuilder errorBuilder, String titleId, HttpStatus status) {
+
+    ProblemDetail problemDetail = ProblemDetail.forStatus(status);
+
+    problemDetail.setTitle(messages.getMessage(titleId, new String[] {}, Locale.getDefault()));
+
+    ...
+  }
+}
+```
diff --git a/samples/azure-ad-b2c-sample/auth-backend/web/src/main/java/com/dressca/web/constant/ProblemDetailsExtensionConstant.java b/samples/azure-ad-b2c-sample/auth-backend/web/src/main/java/com/dressca/web/constant/WebConstants.java
similarity index 66%
rename from samples/azure-ad-b2c-sample/auth-backend/web/src/main/java/com/dressca/web/constant/ProblemDetailsExtensionConstant.java
rename to samples/azure-ad-b2c-sample/auth-backend/web/src/main/java/com/dressca/web/constant/WebConstants.java
index 9e6589111..70c4c5f06 100644
--- a/samples/azure-ad-b2c-sample/auth-backend/web/src/main/java/com/dressca/web/constant/ProblemDetailsExtensionConstant.java
+++ b/samples/azure-ad-b2c-sample/auth-backend/web/src/main/java/com/dressca/web/constant/WebConstants.java
@@ -1,9 +1,9 @@
 package com.dressca.web.constant;
 
 /**
- * ProblemDetailの拡張メンバー用の定数クラス。
+ * web プロジェクトで利用する汎用定数クラス。
  */
-public class ProblemDetailsExtensionConstant {
+public class WebConstants {
 
   /** Exception ID。 */
   public static final String EXCEPTION_ID = "exceptionId";
diff --git a/samples/azure-ad-b2c-sample/auth-backend/web/src/main/java/com/dressca/web/controller/advice/ProblemDetailsFactory.java b/samples/azure-ad-b2c-sample/auth-backend/web/src/main/java/com/dressca/web/controller/advice/ProblemDetailsFactory.java
index 617a36d71..287bc3635 100644
--- a/samples/azure-ad-b2c-sample/auth-backend/web/src/main/java/com/dressca/web/controller/advice/ProblemDetailsFactory.java
+++ b/samples/azure-ad-b2c-sample/auth-backend/web/src/main/java/com/dressca/web/controller/advice/ProblemDetailsFactory.java
@@ -11,8 +11,7 @@
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ProblemDetail;
 import org.springframework.stereotype.Component;
-import com.dressca.systemcommon.util.ApplicationContextWrapper;
-import com.dressca.web.constant.ProblemDetailsExtensionConstant;
+import com.dressca.web.constant.WebConstants;
 import com.dressca.web.log.ErrorMessageBuilder;
 
 /**
@@ -24,6 +23,9 @@ public class ProblemDetailsFactory {
   @Autowired
   private Environment env;
 
+  @Autowired
+  private MessageSource messages;
+
   /**
    * エラーレスポンスに含める ProblemDetails を作成する。
    *
@@ -36,8 +38,7 @@ public ProblemDetail createProblemDetail(ErrorMessageBuilder errorBuilder, Strin
 
     ProblemDetail problemDetail = ProblemDetail.forStatus(status);
 
-    MessageSource messageSource = (MessageSource) ApplicationContextWrapper.getBean(MessageSource.class);
-    problemDetail.setTitle(messageSource.getMessage(titleId, new String[] {}, Locale.getDefault()));
+    problemDetail.setTitle(messages.getMessage(titleId, new String[] {}, Locale.getDefault()));
 
     // 開発環境においては、 detail プロパティにスタックトレースを含める
     // 開発環境かどうかの判断は、環境変数の Profile をもとに判断する
@@ -54,8 +55,8 @@ public ProblemDetail createProblemDetail(ErrorMessageBuilder errorBuilder, Strin
     // 拡張メンバーとして exceptionId と exceptionValues を含める
     Map<String, Object> errorProperty = new LinkedHashMap<String, Object>() {
       {
-        put(ProblemDetailsExtensionConstant.EXCEPTION_ID, errorBuilder.getExceptionId());
-        put(ProblemDetailsExtensionConstant.EXCEPTION_VALUES, errorBuilder.getFrontMessageValue());
+        put(WebConstants.EXCEPTION_ID, errorBuilder.getExceptionId());
+        put(WebConstants.EXCEPTION_VALUES, errorBuilder.getFrontMessageValue());
       }
     };
 
diff --git a/samples/web-csr/dressca-backend/web/src/main/java/com/dressca/web/constant/WebConstants.java b/samples/web-csr/dressca-backend/web/src/main/java/com/dressca/web/constant/WebConstants.java
index 3114e6266..66ad1e3f9 100644
--- a/samples/web-csr/dressca-backend/web/src/main/java/com/dressca/web/constant/WebConstants.java
+++ b/samples/web-csr/dressca-backend/web/src/main/java/com/dressca/web/constant/WebConstants.java
@@ -1,7 +1,7 @@
 package com.dressca.web.constant;
 
 /**
- * ProblemDetailの拡張メンバー用の定数クラス。
+ * web プロジェクトで利用する汎用定数クラス。
  */
 public class WebConstants {