Configure JDK 22 compatibility build on CI

This commit does not enable this build right now as testing libraries
are not ready yet for JDK 22.

See gh-31459

Author: bclozel

ci/images/ci-image/Dockerfile

@@ -7,5 +7,6 @@ RUN ./setup.sh
 ENV JAVA_HOME /opt/openjdk/java17
 ENV JDK17 /opt/openjdk/java17
 ENV JDK21 /opt/openjdk/java21
+ENV JDK22 /opt/openjdk/java22
 
 ENV PATH $JAVA_HOME/bin:$PATH

ci/images/get-jdk-url.sh

@@ -8,6 +8,9 @@ case "$1" in
 	java21)
 		echo "https://download.bell-sw.com/java/21.0.1+12/bellsoft-jdk21.0.1+12-linux-amd64.tar.gz"
 	;;
+	java22)
+		echo "https://download.java.net/java/early_access/jdk22/19/GPL/openjdk-22-ea+19_linux-x64_bin.tar.gz"
+	;;
 	*)
 		echo $"Unknown java version"
 		exit 1

ci/images/setup.sh

@@ -20,7 +20,7 @@ curl https://raw.githubusercontent.com/spring-io/concourse-java-scripts/v0.0.4/c
 
 mkdir -p /opt/openjdk
 pushd /opt/openjdk > /dev/null
-for jdk in java17 java21
+for jdk in java17 java21 java22
 do
   JDK_URL=$( /get-jdk-url.sh $jdk )
   mkdir $jdk

ci/pipeline.yml

@@ -121,6 +121,14 @@ resources:
     access_token: ((github-ci-status-token))
     branch: ((branch))
     context: jdk21-build
+- name: repo-status-jdk22-build
+  type: github-status-resource
+  icon: eye-check-outline
+  source:
+    repository: ((github-repo-name))
+    access_token: ((github-ci-status-token))
+    branch: ((branch))
+    context: jdk22-build
 - name: slack-alert
   type: slack-notification
   icon: slack
@@ -241,6 +249,32 @@ jobs:
               <<: *slack-fail-params
     - put: repo-status-jdk21-build
       params: { state: "success", commit: "git-repo" }
+- name: jdk22-build
+  serial: true
+  public: true
+  plan:
+    - get: ci-image
+    - get: git-repo
+    - put: repo-status-jdk22-build
+      params: { state: "pending", commit: "git-repo" }
+    - do:
+        - task: check-project
+          image: ci-image
+          file: git-repo/ci/tasks/check-project.yml
+          privileged: true
+          timeout: ((task-timeout))
+          params:
+            TEST_TOOLCHAIN: 22
+            <<: *build-project-task-params
+      on_failure:
+        do:
+          - put: repo-status-jdk22-build
+            params: { state: "failure", commit: "git-repo" }
+          - put: slack-alert
+            params:
+              <<: *slack-fail-params
+    - put: repo-status-jdk22-build
+      params: { state: "success", commit: "git-repo" }
 - name: stage-milestone
   serial: true
   plan:
@@ -392,7 +426,7 @@ jobs:
 
 groups:
 - name: "builds"
-  jobs: ["build", "jdk21-build"]
+  jobs: ["build", "jdk21-build", "jdk22-build"]
 - name: "releases"
   jobs: ["stage-milestone", "stage-rc", "stage-release", "promote-milestone", "promote-rc", "promote-release", "create-github-release"]
 - name: "ci-images"

ci/scripts/build-project.sh

@@ -5,6 +5,6 @@ source $(dirname $0)/common.sh
 repository=$(pwd)/distribution-repository
 
 pushd git-repo > /dev/null
-./gradlew -Dorg.gradle.internal.launcher.welcomeMessageEnabled=false -Porg.gradle.java.installations.fromEnv=JDK17,JDK21 \
+./gradlew -Dorg.gradle.internal.launcher.welcomeMessageEnabled=false -Porg.gradle.java.installations.fromEnv=JDK17,JDK21,JDK22 \
   --no-daemon --max-workers=4 -PdeploymentRepository=${repository} build publishAllPublicationsToDeploymentRepository
 popd > /dev/null

gradle/toolchains.gradle

@@ -54,6 +54,11 @@ plugins.withType(JavaPlugin).configureEach {
 			javaLauncher = javaToolchains.launcherFor {
 				languageVersion = testLanguageVersion
 			}
+			// Enable Java experimental support in Bytebuddy
+			// Remove when JDK 22 is supported by Mockito
+			if (testLanguageVersion == JavaLanguageVersion.of(22)) {
+				jvmArgs("-Dnet.bytebuddy.experimental=true")
+			}
 		}
 	}
 }