Change Java 25 to default JVM testing (#9453)

* Add Java 25 to default testing

* Revert builder image version

* Edit comment

Author: sarahchen6

.gitlab-ci.yml

@@ -30,7 +30,7 @@ variables:
   GRADLE_PLUGIN_PROXY: "https://depot-read-api-java.us1.ddbuild.io/magicmirror/magicmirror/@current/"
   BUILDER_IMAGE_VERSION_PREFIX: "v25.07-" # use either an empty string (e.g. "") for latest images or a version followed by a hyphen (e.g. "v25.05-")
   REPO_NOTIFICATION_CHANNEL: "#apm-java-escalations"
-  DEFAULT_TEST_JVMS: /^(8|11|17|21|stable)$/
+  DEFAULT_TEST_JVMS: /^(8|11|17|21|25)$/ # the latest "stable" version is LTS v25
   PROFILE_TESTS:
     description: "Enable profiling of tests"
     value: "false"
@@ -61,14 +61,14 @@ workflow:
       - "17"
       - "21"
       - "25"
-      - "stable"
       - "semeru11"
       - "oracle8"
       - "zulu8"
       - "semeru8"
       - "ibm8"
       - "zulu11"
       - "semeru17"
+      # - "stable"
     CI_SPLIT: ["1/1"]
 
 # Gitlab doesn't support "parallel" and "parallel:matrix" at the same time
@@ -636,7 +636,7 @@ test_inst_latest:
     CACHE_TYPE: "latestDep"
   parallel:
     matrix:
-      - testJvm: ["8", "17", "21", "stable"]
+      - testJvm: ["8", "17", "21", "25"] # the latest "stable" version is LTS v25
         # Gitlab doesn't support "parallel" and "parallel:matrix" at the same time
         # This emulates "parallel" by including it in the matrix
         CI_SPLIT: [ "1/6", "2/6", "3/6", "4/6", "5/6", "6/6"]
@@ -688,7 +688,7 @@ test_debugger:
   variables:
     GRADLE_TARGET: ":debuggerTest"
     CACHE_TYPE: "base"
-    DEFAULT_TEST_JVMS: /^(8|11|17|21|stable|semeru8)$/
+    DEFAULT_TEST_JVMS: /^(8|11|17|21|25|semeru8)$/ # the latest "stable" version is LTS v25
   parallel:
     matrix: *test_matrix
 

gradle/java_no_deps.gradle

@@ -154,11 +154,11 @@ def currentJavaHomePath = getJavaHomePath(System.getProperty("java.home"))
 project.afterEvaluate {
   def testJvm = gradle.startParameter.projectProperties["testJvm"]
   def javaTestLauncher = null as Provider<JavaLauncher>
+  // "stable" is calculated as the largest X found in JAVA_X_HOME
   if (testJvm == "stable") {
     def javaVersions = System.getenv()
       .findAll { it.key =~ /^JAVA_[0-9]+_HOME$/ }
       .collect { (it.key =~ /^JAVA_(\d+)_HOME$/)[0][1] as Integer }
-      .findAll { it != 25 }  // Exclude LTS JDK v25 (early access)
 
     if (javaVersions.isEmpty()) {
       throw new GradleException("No valid JAVA_X_HOME environment variables found.")