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The following test failed in the JDK17 CI: vmTestbase/gc/lock/jniref/jniweakglobalreflock02/TestDescription.java Here's a snippet from the log file: #section:main ----------messages:(4/337)---------- command: main -XX:-UseGCOverheadLimit gc.lock.LockerTest -gp1 random(primitiveArrays) -lockers jniWeakGlobalRef reason: User specified action: run main/othervm/native -XX:-UseGCOverheadLimit gc.lock.LockerTest -gp1 random(primitiveArrays) -lockers jniWeakGlobalRef Mode: othervm [/othervm specified] elapsed time (seconds): 733.227 ----------configuration:(0/0)---------- ----------System.out:(74/4917)---------- Stress time: 120 seconds Stress iterations factor: 1 Stress threads factor: 1 Stress runs factor: 1 Max memory: 2136997888 Sleep time: 500 Iterations: 0 Number of threads: 24 Run GC thread: false Run mem diag thread: false Run forever: false For random generator using seed: -2946566541142752048 To re-run test with same seed value please add "-Djdk.test.lib.random.seed=-2946566541142752048" to command line. Starting Thread[gc.lock.LockerTest$Worker@23582718,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@1821fb7d,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@7a237f86,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@2a270aa8,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@2181b6f0,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@366c5bae,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@57d2cdaa,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@4532ffb2,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@6928e7d2,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@3dcd6072,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@7cb355fc,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@2e2efab7,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@969ed7,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@568eb047,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@307413df,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@69d6bc24,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@5d82e7ef,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@7ead7890,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@6e576671,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@323cd003,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@784be434,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@6db77a55,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@3886ed7c,5,MainThreadGroup] Starting Thread[gc.lock.LockerTest$Worker@6c6e8ea7,5,MainThreadGroup] Exception in gc.lock.LockerTest$Worker@1821fb7d java.lang.RuntimeException: java.lang.NoClassDefFoundError: Could not initialize class java.util.concurrent.ThreadLocalRandom at nsk.share.gc.gp.GarbageUtils.eatMemory(GarbageUtils.java:224) at nsk.share.gc.gp.GarbageUtils.eatMemory(GarbageUtils.java:144) at gc.lock.LockerTest$Worker.run(LockerTest.java:54) at nsk.share.runner.ThreadsRunner$ManagedThread.run(ThreadsRunner.java:106) at java.base/java.lang.Thread.run(Thread.java:833) Caused by: java.lang.NoClassDefFoundError: Could not initialize class java.util.concurrent.ThreadLocalRandom at java.base/java.util.concurrent.ConcurrentHashMap.fullAddCount(ConcurrentHashMap.java:2584) at java.base/java.util.concurrent.ConcurrentHashMap.addCount(ConcurrentHashMap.java:2334) at java.base/java.util.concurrent.ConcurrentHashMap.replaceNode(ConcurrentHashMap.java:1173) at java.base/java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1102) at java.base/java.lang.invoke.MethodType$ConcurrentWeakInternSet.expungeStaleElements(MethodType.java:1407) at java.base/java.lang.invoke.MethodType$ConcurrentWeakInternSet.get(MethodType.java:1366) at java.base/java.lang.invoke.MethodType.makeImpl(MethodType.java:341) at java.base/java.lang.invoke.MethodType.methodType(MethodType.java:281) at nsk.share.gc.gp.GarbageUtils.eatMemory(GarbageUtils.java:211) ... 4 more Failures summary: java.lang.RuntimeException: java.lang.NoClassDefFoundError: Could not initialize class java.util.concurrent.ThreadLocalRandom at nsk.share.gc.gp.GarbageUtils.eatMemory(GarbageUtils.java:224) at nsk.share.gc.gp.GarbageUtils.eatMemory(GarbageUtils.java:144) at gc.lock.LockerTest$Worker.run(LockerTest.java:54) at nsk.share.runner.ThreadsRunner$ManagedThread.run(ThreadsRunner.java:106) at java.base/java.lang.Thread.run(Thread.java:833) Caused by: java.lang.NoClassDefFoundError: Could not initialize class java.util.concurrent.ThreadLocalRandom at java.base/java.util.concurrent.ConcurrentHashMap.fullAddCount(ConcurrentHashMap.java:2584) at java.base/java.util.concurrent.ConcurrentHashMap.addCount(ConcurrentHashMap.java:2334) at java.base/java.util.concurrent.ConcurrentHashMap.replaceNode(ConcurrentHashMap.java:1173) at java.base/java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1102) at java.base/java.lang.invoke.MethodType$ConcurrentWeakInternSet.expungeStaleElements(MethodType.java:1407) at java.base/java.lang.invoke.MethodType$ConcurrentWeakInternSet.get(MethodType.java:1366) at java.base/java.lang.invoke.MethodType.makeImpl(MethodType.java:341) at java.base/java.lang.invoke.MethodType.methodType(MethodType.java:281) at nsk.share.gc.gp.GarbageUtils.eatMemory(GarbageUtils.java:211) ... 4 more ----------System.err:(16/954)---------- nsk.share.TestFailure: Test exit code: 97 at nsk.share.test.Tests$TestRunner.execute(Tests.java:90) at nsk.share.test.Tests$TestRunner.run(Tests.java:96) at nsk.share.gc.GC.runTest(GC.java:114) at gc.lock.LockerTest.main(LockerTest.java:77) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568) at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127) at java.base/java.lang.Thread.run(Thread.java:833) JavaTest Message: Test threw exception: nsk.share.TestFailure: Test exit code: 97 JavaTest Message: shutting down test STATUS:Failed.`main' threw exception: nsk.share.TestFailure: Test exit code: 97 ----------rerun:(41/6481)*----------