The following test timed out in the JDK22 CI:

java/util/concurrent/locks/Lock/TimedAcquireLeak.java

Here's a snippet from the log file:

#section:main
----------messages:(10/322)----------
command: main TimedAcquireLeak
reason: Assumed action based on file name: run main TimedAcquireLeak
started: Tue Dec 05 19:11:50 GMT 2023
Mode: agentvm
Agent id: 5
Timeout signalled after 480 seconds
Timeout information:
--- Timeout information end.
finished: Tue Dec 05 19:28:19 GMT 2023
elapsed time (seconds): 989.145
----------configuration:(14/1982)----------

<snip>

----------System.out:(19/748)----------
134 not equal to 0
134 not equal to 0
Exception in thread "main" java.io.IOException: Connection refused
at jdk.attach/sun.tools.attach.VirtualMachineImpl.connect(Native Method)
at jdk.attach/sun.tools.attach.VirtualMachineImpl.<init>(VirtualMachineImpl.java:114)
at jdk.attach/sun.tools.attach.AttachProviderImpl.attachVirtualMachine(AttachProviderImpl.java:58)
at jdk.attach/com.sun.tools.attach.VirtualMachine.attach(VirtualMachine.java:207)
at jdk.jcmd/sun.tools.jmap.JMap.executeCommandForPid(JMap.java:127)
at jdk.jcmd/sun.tools.jmap.JMap.histo(JMap.java:199)
at jdk.jcmd/sun.tools.jmap.JMap.main(JMap.java:112)
 not equal to
1 not equal to 0
1 not equal to 0
134 not equal to 0
134 not equal to 0
-1 -> -1

Passed = 6, failed = 143

----------System.err:(134/8570)*----------
java.lang.Exception: Stack trace
at java.base/java.lang.Thread.dumpStack(Thread.java:2176)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:333)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:334)
at TimedAcquireLeak.equal(TimedAcquireLeak.java:340)
at TimedAcquireLeak.outputOf(TimedAcquireLeak.java:108)
at TimedAcquireLeak.commandOutputOf(TimedAcquireLeak.java:115)
at TimedAcquireLeak.lambda$objectsInUse$0(TimedAcquireLeak.java:185)
at TimedAcquireLeak.rendezvousParent(TimedAcquireLeak.java:123)
at TimedAcquireLeak.objectsInUse(TimedAcquireLeak.java:194)
at TimedAcquireLeak.realMain(TimedAcquireLeak.java:223)
at TimedAcquireLeak.main(TimedAcquireLeak.java:342)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)
java.lang.Exception: Stack trace
at java.base/java.lang.Thread.dumpStack(Thread.java:2176)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:333)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:334)
at TimedAcquireLeak.equal(TimedAcquireLeak.java:340)
at TimedAcquireLeak.outputOf(TimedAcquireLeak.java:109)
at TimedAcquireLeak.commandOutputOf(TimedAcquireLeak.java:115)
at TimedAcquireLeak.lambda$objectsInUse$0(TimedAcquireLeak.java:185)
at TimedAcquireLeak.rendezvousParent(TimedAcquireLeak.java:123)
at TimedAcquireLeak.objectsInUse(TimedAcquireLeak.java:194)
at TimedAcquireLeak.realMain(TimedAcquireLeak.java:223)
at TimedAcquireLeak.main(TimedAcquireLeak.java:342)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)
java.lang.AssertionError: match failed: s= regex=(?m)^ *[0-9]+: +([0-9]+) +[0-9]+ +\\Qjava.util.concurrent.locks.AbstractQueuedSynchronizer$\\E[A-Za-z]+(?:$| )
at TimedAcquireLeak.match(TimedAcquireLeak.java:167)
at TimedAcquireLeak.lambda$objectsInUse$0(TimedAcquireLeak.java:185)
at TimedAcquireLeak.rendezvousParent(TimedAcquireLeak.java:123)
at TimedAcquireLeak.objectsInUse(TimedAcquireLeak.java:194)
at TimedAcquireLeak.realMain(TimedAcquireLeak.java:223)
at TimedAcquireLeak.main(TimedAcquireLeak.java:342)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)
java.lang.Exception: Stack trace
at java.base/java.lang.Thread.dumpStack(Thread.java:2176)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:333)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:334)
at TimedAcquireLeak.equal(TimedAcquireLeak.java:340)
at TimedAcquireLeak.outputOf(TimedAcquireLeak.java:107)
at TimedAcquireLeak.commandOutputOf(TimedAcquireLeak.java:115)
at TimedAcquireLeak.lambda$objectsInUse$0(TimedAcquireLeak.java:185)
at TimedAcquireLeak.rendezvousParent(TimedAcquireLeak.java:123)
at TimedAcquireLeak.objectsInUse(TimedAcquireLeak.java:194)
at TimedAcquireLeak.realMain(TimedAcquireLeak.java:224)
at TimedAcquireLeak.main(TimedAcquireLeak.java:342)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)
java.lang.Exception: Stack trace
at java.base/java.lang.Thread.dumpStack(Thread.java:2176)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:333)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:334)
at TimedAcquireLeak.equal(TimedAcquireLeak.java:340)
at TimedAcquireLeak.outputOf(TimedAcquireLeak.java:108)
at TimedAcquireLeak.commandOutputOf(TimedAcquireLeak.java:115)
at TimedAcquireLeak.lambda$objectsInUse$0(TimedAcquireLeak.java:185)
at TimedAcquireLeak.rendezvousParent(TimedAcquireLeak.java:123)
at TimedAcquireLeak.objectsInUse(TimedAcquireLeak.java:194)
at TimedAcquireLeak.realMain(TimedAcquireLeak.java:224)
at TimedAcquireLeak.main(TimedAcquireLeak.java:342)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)
java.lang.Exception: Stack trace
at java.base/java.lang.Thread.dumpStack(Thread.java:2176)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:333)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:334)
at TimedAcquireLeak.equal(TimedAcquireLeak.java:340)
at TimedAcquireLeak.outputOf(TimedAcquireLeak.java:109)
at TimedAcquireLeak.commandOutputOf(TimedAcquireLeak.java:115)
at TimedAcquireLeak.lambda$objectsInUse$0(TimedAcquireLeak.java:185)
at TimedAcquireLeak.rendezvousParent(TimedAcquireLeak.java:123)
at TimedAcquireLeak.objectsInUse(TimedAcquireLeak.java:194)
at TimedAcquireLeak.realMain(TimedAcquireLeak.java:224)
at TimedAcquireLeak.main(TimedAcquireLeak.java:342)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)
java.lang.AssertionError: match failed: s= regex=(?m)^ *[0-9]+: +([0-9]+) +[0-9]+ +\\Qjava.util.concurrent.locks.AbstractQueuedSynchronizer$\\E[A-Za-z]+(?:$| )
at TimedAcquireLeak.match(TimedAcquireLeak.java:167)
at TimedAcquireLeak.lambda$objectsInUse$0(TimedAcquireLeak.java:185)
at TimedAcquireLeak.rendezvousParent(TimedAcquireLeak.java:123)
at TimedAcquireLeak.objectsInUse(TimedAcquireLeak.java:194)
at TimedAcquireLeak.realMain(TimedAcquireLeak.java:224)
at TimedAcquireLeak.main(TimedAcquireLeak.java:342)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)
java.lang.Exception: Stack trace
at java.base/java.lang.Thread.dumpStack(Thread.java:2176)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:333)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:334)
at TimedAcquireLeak.equal(TimedAcquireLeak.java:340)
at TimedAcquireLeak.realMain(TimedAcquireLeak.java:225)
at TimedAcquireLeak.main(TimedAcquireLeak.java:342)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)
java.lang.Exception: Stack trace
at java.base/java.lang.Thread.dumpStack(Thread.java:2176)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:333)
at TimedAcquireLeak.fail(TimedAcquireLeak.java:334)
at TimedAcquireLeak.equal(TimedAcquireLeak.java:340)
at TimedAcquireLeak.realMain(TimedAcquireLeak.java:226)
at TimedAcquireLeak.main(TimedAcquireLeak.java:342)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)
java.lang.AssertionError: Some tests failed
at TimedAcquireLeak.main(TimedAcquireLeak.java:344)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)

JavaTest Message: Test threw exception: java.lang.AssertionError
JavaTest Message: shutting down test

result: Error. Agent error: java.lang.Exception: Agent 5 timed out with a timeout of 480 seconds; check console log for any additional details