Switch build to Java 25

Closes gh-1723

Author: snicoll

.github/actions/build/action.yml

@@ -19,7 +19,7 @@ inputs:
   java-version:
     description: 'Java version to compile and test with'
     required: false
-    default: '17'
+    default: '25'
   publish:
     description: 'Whether to publish artifacts ready for deployment to Artifactory'
     required: false

.github/actions/prepare-gradle-build/action.yml

@@ -19,7 +19,7 @@ inputs:
   java-version:
     description: 'Java version to use for the build'
     required: false
-    default: '17'
+    default: '25'
 runs:
   using: composite
   steps:
@@ -29,7 +29,7 @@ runs:
         distribution: ${{ inputs.java-early-access == 'true' && 'temurin' || (inputs.java-distribution || 'liberica') }}
         java-version: |
           ${{ inputs.java-early-access == 'true' && format('{0}-ea', inputs.java-version) || inputs.java-version }}
-          ${{ inputs.java-toolchain == 'true' && '17' || '' }}
+          ${{ inputs.java-toolchain == 'true' && '25' || '' }}
     - name: Set Up Gradle
       uses: gradle/actions/setup-gradle@0bdd871935719febd78681f197cd39af5b6e16a6 # v4.2.2
       with:

.github/workflows/build-and-deploy-snapshot.yml

@@ -40,7 +40,7 @@ jobs:
         uses: ./.github/actions/send-notification
         with:
           build-scan-url: ${{ steps.build-and-publish.outputs.build-scan-url }}
-          run-name: ${{ format('{0} | Linux | Java 17', github.ref_name) }}
+          run-name: ${{ format('{0} | Linux | Java 25', github.ref_name) }}
           status: ${{ job.status }}
           webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}
     outputs:

.github/workflows/ci.yml

@@ -20,16 +20,16 @@ jobs:
             name: Linux
         java:
           - version: 17
-            toolchain: false
+            toolchain: true
           - version: 21
             toolchain: true
           - version: 25
-            toolchain: true
+            toolchain: false
         exclude:
           - os:
               name: Linux
             java:
-              version: 17
+              version: 25
     steps:
       - name: Prepare Windows runner
         if: ${{ runner.os == 'Windows' }}

.sdkmanrc

@@ -1,3 +1,3 @@
 # Enable auto-env through the sdkman_auto_env config
 # Add key=value pairs of SDKs to use below
-java=17.0.16-librca
+java=25-librca

README.adoc

@@ -48,7 +48,9 @@ We like to know the Spring Web Services version, operating system, and JVM versi
 
 You don't need to build from source to use Spring Web Services (binaries in https://repo.spring.io[repo.spring.io]).
 If you want to try out the latest and greatest, Spring Web Services can be built and published to your local Maven cache using the https://docs.gradle.org/current/userguide/gradle_wrapper.html[Gradle wrapper].
-You also need JDK 17.
+You also need JDK 25.
+
+NOTE: Java 25 is only required by the build process, you can use Java 17+ to use the project.
 
 [source,shell]
 ----

gradle/plugins/conventions-plugin/src/main/java/org/springframework/ws/gradle/conventions/JavaPluginConventions.java

@@ -61,16 +61,14 @@ void apply(Project project) {
 	private void configureJavaConventions(Project project) {
 		project.getTasks().withType(JavaCompile.class, (compile) -> {
 			compile.getOptions().setEncoding("UTF-8");
+			compile.getOptions().getRelease().set(17);
 			List<String> args = compile.getOptions().getCompilerArgs();
 			if (!args.contains("-parameters")) {
 				args.add("-parameters");
 			}
-			boolean buildWithJava17 = !project.hasProperty("toolchainVersion")
-					&& JavaVersion.current() == JavaVersion.VERSION_17;
-			if (buildWithJava17) {
-				args.addAll(Arrays.asList("-Werror", "-Xlint:unchecked", "-Xlint:deprecation", "-Xlint:rawtypes",
-						"-Xlint:varargs"));
-			}
+			args.addAll(Arrays.asList("-Werror", "-Xlint:unchecked", "-Xlint:deprecation", "-Xlint:rawtypes",
+					"-Xlint:varargs"));
+
 		});
 		project.getDependencies().add("compileOnly", "com.google.code.findbugs:jsr305");
 	}