Update Java version in OpenJ9 test workflow

Author: timfel

.github/workflows/platforms-tests.yml

@@ -23,15 +23,15 @@ jobs:
           mx deploy-local-maven-repo
           mv mxbuild/jdk*/mx.graalpython/public-maven-repo m2repo
 
-      - name: Test on OpenJ9
+      - name: Install OpenJ9 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'semeru'
+          java-version: '17'
+      - name: Test on OpenJ9 17
         run: |
-          # Install IBM Semeru OpenJ9 Java 21
-          wget https://github.com/ibmruntimes/semeru21-binaries/releases/download/jdk-21.0.8%2B9_openj9-0.53.0/ibm-semeru-open-jdk_x64_linux_21.0.8_9_openj9-0.53.0.tar.gz
-          mkdir -p /opt/java/openjdk-21-openj9
-          tar -C /opt/java/openjdk-21-openj9 --strip-components=1 -xzf ibm-semeru*.tar.gz
-          export JAVA_HOME=/opt/java/openjdk-21-openj9
-
-          export PATH=$JAVA_HOME/bin:$PATH
+          echo "Using $JAVA_HOME"
+          $JAVA_HOME/bin/java -version
           mkdir $(pwd)/user_resource_cache
           mvn -f graalpython/com.oracle.graal.python.test.integration/pom.xml -Dcom.oracle.graal.python.test.polyglot.version=26.0.0 -Dcom.oracle.graal.python.test.polyglot_repo=file:///$(pwd)/m2repo --batch-mode -U -Dtruffle.UseFallbackRuntime=true -Dpolyglot.engine.allowUnsupportedPlatform=true -Dpolyglot.engine.userResourceCache=/$(pwd)/user_resource_cache -Dpolyglot.python.UnsupportedPlatformEmulates=linux -Dorg.graalvm.python.resources.exclude=native.files test -Dtest=HelloWorldTests,AttributeTests,BuiltinSubclassTest,ComplexTexts,CreateClassTest,AsyncActionThreadingTest,JavaInteropTest
           rm -rf $(pwd)/user_resource_cache
@@ -46,15 +46,12 @@ jobs:
             --memory-reservation 6G
           run: |
             apt-get update
-            apt-get install -y python3 git wget tar gzip cmake build-essential maven openjdk-21-jdk
-
-            export JAVA_HOME=/usr/lib/jvm/java-21-openjdk-ppc64el
+            apt-get install -y python3 git wget tar gzip cmake build-essential maven openjdk-17-jdk
+            export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-ppc64el
             export PATH=$JAVA_HOME/bin:$PATH
 
             echo "Using $JAVA_HOME"
             $JAVA_HOME/bin/java -version
-
-            # Run some basic smoke tests
             cd /workspace
             mkdir $(pwd)/user_resource_cache
             mvn -f graalpython/com.oracle.graal.python.test.integration/pom.xml -Dcom.oracle.graal.python.test.polyglot.version=26.0.0 -Dcom.oracle.graal.python.test.polyglot_repo=file:///$(pwd)/m2repo --batch-mode -U -Dtruffle.UseFallbackRuntime=true -Dpolyglot.engine.allowUnsupportedPlatform=true -Dpolyglot.engine.userResourceCache=/$(pwd)/user_resource_cache -Dpolyglot.python.UnsupportedPlatformEmulates=linux -Dorg.graalvm.python.resources.exclude=native.files test -Dtest=HelloWorldTests,AttributeTests,BuiltinSubclassTest,ComplexTexts,CreateClassTest,AsyncActionThreadingTest,JavaInteropTest