Run CI Java language server with JDK 25

Author: wenytang-ms

.github/workflows/build.yml

@@ -21,11 +21,11 @@ jobs:
         sudo /usr/bin/Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
         sleep 3
 
-    - name: Set up JDK 21
+    - name: Set up JDK 25
       uses: actions/setup-java@dd06d9cba3e5552c54d9f8ea23572deb30010f7c # v6.0.0
       with:
         distribution: 'temurin'
-        java-version: '21'
+        java-version: '25'
 
     - name: Setup Node.js environment
       uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
@@ -67,11 +67,11 @@ jobs:
     steps:
     - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
-    - name: Set up JDK 21
+    - name: Set up JDK 25
       uses: actions/setup-java@dd06d9cba3e5552c54d9f8ea23572deb30010f7c # v6.0.0
       with:
         distribution: 'temurin'
-        java-version: '21'
+        java-version: '25'
 
     - name: Setup Node.js environment
       uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
@@ -107,11 +107,11 @@ jobs:
     steps:
     - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
-    - name: Set up JDK 21
+    - name: Set up JDK 25
       uses: actions/setup-java@dd06d9cba3e5552c54d9f8ea23572deb30010f7c # v6.0.0
       with:
         distribution: 'temurin'
-        java-version: '21'
+        java-version: '25'
 
     - name: Setup Node.js environment
       uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0

test/index.ts

@@ -31,6 +31,7 @@ async function main(): Promise<void> {
         await fse.ensureDir(path.join(userDataDir, 'User'));
         await fse.writeJson(path.join(userDataDir, 'User', 'settings.json'), {
             'chat.disableAIFeatures': true,
+            ...(process.env.JAVA_HOME && { 'java.jdt.ls.java.home': process.env.JAVA_HOME }),
         });
 
         // Run maven test