A Java 21 Execution Environment is required at a minimum.

- Eclipse Platform 4.35 now requires Java 21
- Remove unnecessary Jenkinsfile (builds occur on Github Actions)

Signed-off-by: Roland Grunberg <[email protected]>

Author: rgrunber

.github/workflows/pr-verify.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Set Up Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'adopt'
       - run: npm install -g typescript "vsce"
       - run: wget http://download.eclipse.org/jdtls/snapshots/jdt-language-server-latest.tar.gz

.github/workflows/release.yml

@@ -135,7 +135,7 @@ jobs:
         run: |
           platforms=("win32-x64" "linux-x64" "linux-arm64" "darwin-x64" "darwin-arm64")
           for platform in ${platforms[@]}; do
-            npx gulp download_jre --target ${platform} --javaVersion 17
+            npx gulp download_jre --target ${platform} --javaVersion 21
             vsce package ${{ env.publishPreReleaseFlag }} --target ${platform} -o java-${platform}-${{ env.EXT_VERSION }}-${GITHUB_RUN_NUMBER}.vsix
           done
           rm -rf jre/

.sdkmanrc

@@ -1,3 +1,3 @@
 # Enable auto-env through the sdkman_auto_env config
 # Add key=value pairs of SDKs to use below
-java=17.0.3-tem
+java=21.0.5-tem

Jenkinsfile

@@ -15,7 +15,7 @@ Quick Start
 ============
 1. Install the Extension
 2. On the following platforms, the extension should activate without any setup : `win32-x64`, `darwin-x64`, `darwin-arm64`, `linux-x64`, `linux-arm64`.\
-If on another platform, or using the "universal" version, you can [set](#setting-the-jdk) a _Java_ Development Kit. It must be Java 17 or above.
+If on another platform, or using the "universal" version, you can [set](#setting-the-jdk) a _Java_ Development Kit. It must be Java 21 or above.
 3. Optionally, download and install a Java Development Kit for your project (Java 1.8 or above is supported). See [Project JDKs](#project-jdks) for more details
 4. Extension is activated when you first access a Java file
     * Recognizes projects with *Maven* or *Gradle* build files in the directory hierarchy.
@@ -60,7 +60,7 @@ Now that Java extension will publish platform specific versions, it will embed a
 
 The following part is only kept for the universal version without embedded JRE.
 
->The tooling JDK will be used to launch the Language Server for Java. And by default, will also be used to compile your projects. Java 17 is the minimum required version.\
+>The tooling JDK will be used to launch the Language Server for Java. And by default, will also be used to compile your projects. Java 21 is the minimum required version.\
 \
 The path to the Java Development Kit can be specified by the `java.jdt.ls.java.home` setting in VS Code settings (workspace/user settings). If not specified, it is searched in the following order until a JDK meets current minimum requirement.
 >- the `JDK_HOME` environment variable

README.md

@@ -29,12 +29,12 @@ gulp.task('clean_jre', function (done) {
 });
 
 // Pls update the latest JRE if a new JDK is announced.
-const LATEST_JRE = 17;
+const LATEST_JRE = 21;
 
 /**
  * Usage:
  * npx gulp download_jre    // Download the latest JRE for the platform of the current running machine.
- * npx gulp download_jre --target darwin-x64 --javaVersion 17  // Download the specified JRE for the specified platform.
+ * npx gulp download_jre --target darwin-x64 --javaVersion 21  // Download the specified JRE for the specified platform.
  *
  * Supported platforms:
  *  win32-x64,
@@ -80,11 +80,11 @@ gulp.task('download_jre', async function (done) {
 
 		/**
 		 * Here are the contents for a sample justj.manifest file:
-		 * ../20211012_0921/org.eclipse.justj.openjdk.hotspot.jre.full.stripped-17-linux-aarch64.tar.gz
-		 * ../20211012_0921/org.eclipse.justj.openjdk.hotspot.jre.full.stripped-17-linux-x86_64.tar.gz
-		 * ../20211012_0921/org.eclipse.justj.openjdk.hotspot.jre.full.stripped-17-macosx-aarch64.tar.gz
-		 * ../20211012_0921/org.eclipse.justj.openjdk.hotspot.jre.full.stripped-17-macosx-x86_64.tar.gz
-		 * ../20211012_0921/org.eclipse.justj.openjdk.hotspot.jre.full.stripped-17-win32-x86_64.tar.gz
+		 * ../20241101_1100/org.eclipse.justj.openjdk.hotspot.jre.full.stripped-21.0.5-linux-aarch64.tar.gz
+		 * ../20241101_1100/org.eclipse.justj.openjdk.hotspot.jre.full.stripped-21.0.5-linux-x86_64.tar.gz
+		 * ../20241101_1100/org.eclipse.justj.openjdk.hotspot.jre.full.stripped-21.0.5-macosx-aarch64.tar.gz
+		 * ../20241101_1100/org.eclipse.justj.openjdk.hotspot.jre.full.stripped-21.0.5-macosx-x86_64.tar.gz
+		 * ../20241101_1100/org.eclipse.justj.openjdk.hotspot.jre.full.stripped-21.0.5-win32-x86_64.tar.gz
 		 */
 		const javaPlatform = platformMapping[targetPlatform];
 		const list = manifest.split(/\r?\n/);

gulpfile.js

@@ -311,7 +311,7 @@
               "null"
             ],
             "default": null,
-            "description": "Specifies the folder path to the JDK (17 or more recent) used to launch the Java Language Server.\nOn Windows, backslashes must be escaped, i.e.\n\"java.home\":\"C:\\\\Program Files\\\\Java\\\\jdk-17.0_3\"",
+            "description": "Specifies the folder path to the JDK (21 or more recent) used to launch the Java Language Server.\nOn Windows, backslashes must be escaped, i.e.\n\"java.home\":\"C:\\\\Program Files\\\\Java\\\\jdk-21.0_5\"",
             "scope": "machine-overridable",
             "deprecationMessage": "This setting is deprecated, please use 'java.jdt.ls.java.home' instead.",
             "order": 0
@@ -322,7 +322,7 @@
               "null"
             ],
             "default": null,
-            "description": "Specifies the folder path to the JDK (17 or more recent) used to launch the Java Language Server. This setting will replace the Java extension's embedded JRE to start the Java Language Server. \n\nOn Windows, backslashes must be escaped, i.e.\n\"java.jdt.ls.java.home\":\"C:\\\\Program Files\\\\Java\\\\jdk-17.0_3\"",
+            "description": "Specifies the folder path to the JDK (21 or more recent) used to launch the Java Language Server. This setting will replace the Java extension's embedded JRE to start the Java Language Server. \n\nOn Windows, backslashes must be escaped, i.e.\n\"java.jdt.ls.java.home\":\"C:\\\\Program Files\\\\Java\\\\jdk-21.0_5\"",
             "scope": "machine-overridable",
             "order": 10
           },

package.json

@@ -41,7 +41,7 @@ export async function resolveRequirements(context: ExtensionContext): Promise<Re
         const preferenceName = javaPreferences.preference;
         let javaHome = javaPreferences.javaHome;
         let javaVersion: number = 0;
-        const REQUIRED_JDK_VERSION = ('on' === getJavaConfiguration().get('jdt.ls.javac.enabled'))?23:17;
+        const REQUIRED_JDK_VERSION = ('on' === getJavaConfiguration().get('jdt.ls.javac.enabled'))?23:21;
         if (javaHome) {
             const source = `${preferenceName} variable defined in ${env.appName} settings`;
             javaHome = expandHomeDir(javaHome);
@@ -217,4 +217,4 @@ async function getMajorVersion(javaHome: string): Promise<number> {
     }
     const runtime = await getRuntime(javaHome, { withVersion: true });
     return runtime?.version?.major || 0;
-}
+}