----------System.err:(9/347)----------
[02:40:25.236] STARTED TestBufferStackStress::stress 'stress()'
[02:49:44.786] SUCCESSFUL TestBufferStackStress::stress 'stress()' [559549ms]

[ JUnit Containers: found 4, started 4, succeeded 4, failed 0, aborted 0, skipped 0]
[ JUnit Tests: found 1, started 1, succeeded 1, failed 0, aborted 0, skipped 0]


JavaTest Message: Test complete.

result: Error. "junit" action timed out with a timeout of 480 seconds on agent 7; but completed after timeout - suppressed status: "Passed. Execution successful"

Stacktrace shows the test is still running when the timeout is trigerred.

...
"ForkJoinPool-1-worker-1" #31 [4023551] daemon prio=5 os_prio=0 cpu=124325.69ms elapsed=512.95s allocated=329G defined_classes=147 tid=0x00007f29c07e10e0 [0x00007f29988cc000]
   Carrying virtual thread #936
Thread: 0x00007f29c07e10e0 [0x3d64ff] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
at jdk.internal.vm.Continuation.run(java.base@27-ea/Continuation.java:251)
at java.lang.VirtualThread.runContinuation(java.base@27-ea/VirtualThread.java:296)
at java.lang.VirtualThread$$Lambda/0x000000003210d3e8.run(java.base@27-ea/Unknown Source)
at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(java.base@27-ea/ForkJoinTask.java:1596)
at java.util.concurrent.ForkJoinTask.doExec(java.base@27-ea/ForkJoinTask.java:511)
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@27-ea/ForkJoinPool.java:1436)
at java.util.concurrent.ForkJoinPool.runWorker(java.base@27-ea/ForkJoinPool.java:2011)
at java.util.concurrent.ForkJoinWorkerThread.run(java.base@27-ea/ForkJoinWorkerThread.java:187)
   Mounted virtual thread #936
at TestBufferStackStress.lambda$stress$1(TestBufferStackStress.java:56)
at TestBufferStackStress$$Lambda/0x00000000322c4000.run(Unknown Source)
at java.lang.Thread.runWith(java.base@27-ea/Thread.java:1529)
at java.lang.VirtualThread.run(java.base@27-ea/VirtualThread.java:471)
at java.lang.VirtualThread$VThreadContinuation$1.run(java.base@27-ea/VirtualThread.java:251)
at jdk.internal.vm.Continuation.enter0(java.base@27-ea/Continuation.java:322)
at jdk.internal.vm.Continuation.enter(java.base@27-ea/Continuation.java:313)

   Locked ownable synchronizers:
- None

"ForkJoinPool-1-worker-2" #32 [4023559] daemon prio=5 os_prio=0 cpu=123986.27ms elapsed=512.83s allocated=327G defined_classes=2 tid=0x00007f2938026a60 [0x00007f29987cb000]
   Carrying virtual thread #404
Thread: 0x00007f2938026a60 [0x3d6507] State: _at_safepoint _at_poll_safepoint 1
   JavaThread state: _thread_blocked
at jdk.internal.vm.Continuation.run(java.base@27-ea/Continuation.java:251)
at java.lang.VirtualThread.runContinuation(java.base@27-ea/VirtualThread.java:296)
at java.lang.VirtualThread$$Lambda/0x000000003210d3e8.run(java.base@27-ea/Unknown Source)
at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(java.base@27-ea/ForkJoinTask.java:1596)
at java.util.concurrent.ForkJoinTask.doExec(java.base@27-ea/ForkJoinTask.java:511)
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@27-ea/ForkJoinPool.java:1436)
at java.util.concurrent.ForkJoinPool.runWorker(java.base@27-ea/ForkJoinPool.java:2011)
at java.util.concurrent.ForkJoinWorkerThread.run(java.base@27-ea/ForkJoinWorkerThread.java:187)
   Mounted virtual thread #404
at TestBufferStackStress.lambda$stress$1(TestBufferStackStress.java:53)
at TestBufferStackStress$$Lambda/0x00000000322c4000.run(Unknown Source)
at java.lang.Thread.runWith(java.base@27-ea/Thread.java:1529)
at java.lang.VirtualThread.run(java.base@27-ea/VirtualThread.java:471)
at java.lang.VirtualThread$VThreadContinuation$1.run(java.base@27-ea/VirtualThread.java:251)
at jdk.internal.vm.Continuation.enter0(java.base@27-ea/Continuation.java:322)
at jdk.internal.vm.Continuation.enter(java.base@27-ea/Continuation.java:313)

   Locked ownable synchronizers:
- None

"MasterPoller" #33 [4023560] daemon prio=5 os_prio=0 cpu=0.27ms elapsed=512.78s allocated=176B defined_classes=0 tid=0x00007f2938038ac0 nid=4023560 runnable [0x00007f29986cb000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007f2938038ac0 [0x3d6508] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_in_native
at sun.nio.ch.EPoll.wait(java.base@27-ea/Native Method)
at sun.nio.ch.EPollPoller.poll(java.base@27-ea/EPollPoller.java:74)
at sun.nio.ch.Poller.pollerLoop(java.base@27-ea/Poller.java:248)
at sun.nio.ch.Poller$Pollers$$Lambda/0x000000003211bdf8.run(java.base@27-ea/Unknown Source)
at java.lang.Thread.runWith(java.base@27-ea/Thread.java:1529)
at java.lang.Thread.run(java.base@27-ea/Thread.java:1516)
at jdk.internal.misc.InnocuousThread.run(java.base@27-ea/InnocuousThread.java:148)

   Locked ownable synchronizers:
- None

"ForkJoinPool-1-worker-3" #42 [4023561] daemon prio=5 os_prio=0 cpu=124450.08ms elapsed=512.78s allocated=330G defined_classes=2 tid=0x00007f293c000fc0 [0x00007f29985c9000]
   Carrying virtual thread #1028
Thread: 0x00007f293c000fc0 [0x3d6509] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
at jdk.internal.vm.Continuation.run(java.base@27-ea/Continuation.java:251)
at java.lang.VirtualThread.runContinuation(java.base@27-ea/VirtualThread.java:296)
at java.lang.VirtualThread$$Lambda/0x000000003210d3e8.run(java.base@27-ea/Unknown Source)
at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(java.base@27-ea/ForkJoinTask.java:1596)
at java.util.concurrent.ForkJoinTask.doExec(java.base@27-ea/ForkJoinTask.java:511)
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@27-ea/ForkJoinPool.java:1436)
at java.util.concurrent.ForkJoinPool.runWorker(java.base@27-ea/ForkJoinPool.java:2011)
at java.util.concurrent.ForkJoinWorkerThread.run(java.base@27-ea/ForkJoinWorkerThread.java:187)
   Mounted virtual thread #1028
at TestBufferStackStress.lambda$stress$1(TestBufferStackStress.java:56)
at TestBufferStackStress$$Lambda/0x00000000322c4000.run(Unknown Source)
at java.lang.Thread.runWith(java.base@27-ea/Thread.java:1529)
at java.lang.VirtualThread.run(java.base@27-ea/VirtualThread.java:471)
at java.lang.VirtualThread$VThreadContinuation$1.run(java.base@27-ea/VirtualThread.java:251)
at jdk.internal.vm.Continuation.enter0(java.base@27-ea/Continuation.java:322)
at jdk.internal.vm.Continuation.enter(java.base@27-ea/Continuation.java:313)

   Locked ownable synchronizers:
- None

"ForkJoinPool-1-worker-4" #43 [4023562] daemon prio=5 os_prio=0 cpu=128266.69ms elapsed=512.78s allocated=327G defined_classes=2049 tid=0x00007f2934000fc0 [0x00007f29984c8000]
   Carrying virtual thread #853
Thread: 0x00007f2934000fc0 [0x3d650a] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
at jdk.internal.vm.Continuation.run(java.base@27-ea/Continuation.java:251)
at java.lang.VirtualThread.runContinuation(java.base@27-ea/VirtualThread.java:296)
at java.lang.VirtualThread$$Lambda/0x000000003210d3e8.run(java.base@27-ea/Unknown Source)
at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(java.base@27-ea/ForkJoinTask.java:1596)
at java.util.concurrent.ForkJoinTask.doExec(java.base@27-ea/ForkJoinTask.java:511)
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@27-ea/ForkJoinPool.java:1436)
at java.util.concurrent.ForkJoinPool.runWorker(java.base@27-ea/ForkJoinPool.java:2011)
at java.util.concurrent.ForkJoinWorkerThread.run(java.base@27-ea/ForkJoinWorkerThread.java:187)
   Mounted virtual thread #853
at TestBufferStackStress.lambda$stress$1(TestBufferStackStress.java:56)
at TestBufferStackStress$$Lambda/0x00000000322c4000.run(Unknown Source)
at java.lang.Thread.runWith(java.base@27-ea/Thread.java:1529)
at java.lang.VirtualThread.run(java.base@27-ea/VirtualThread.java:471)
at java.lang.VirtualThread$VThreadContinuation$1.run(java.base@27-ea/VirtualThread.java:251)
at jdk.internal.vm.Continuation.enter0(java.base@27-ea/Continuation.java:322)
at jdk.internal.vm.Continuation.enter(java.base@27-ea/Continuation.java:313)

   Locked ownable synchronizers:
- None

"ForkJoinPool-1-worker-7" #48 [4023563] daemon prio=5 os_prio=0 cpu=123433.99ms elapsed=512.76s allocated=327G defined_classes=2 tid=0x00007f2928000fc0 [0x00007f29983c8000]
   Carrying virtual thread #875
Thread: 0x00007f2928000fc0 [0x3d650b] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
at jdk.internal.vm.Continuation.run(java.base@27-ea/Continuation.java:251)
at java.lang.VirtualThread.runContinuation(java.base@27-ea/VirtualThread.java:296)
at java.lang.VirtualThread$$Lambda/0x000000003210d3e8.run(java.base@27-ea/Unknown Source)
at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(java.base@27-ea/ForkJoinTask.java:1596)
at java.util.concurrent.ForkJoinTask.doExec(java.base@27-ea/ForkJoinTask.java:511)
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@27-ea/ForkJoinPool.java:1436)
at java.util.concurrent.ForkJoinPool.runWorker(java.base@27-ea/ForkJoinPool.java:2011)
at java.util.concurrent.ForkJoinWorkerThread.run(java.base@27-ea/ForkJoinWorkerThread.java:187)
   Mounted virtual thread #875
at jdk.internal.foreign.MemorySessionImpl.createConfined(java.base@27-ea/MemorySessionImpl.java:144)
at java.lang.foreign.Arena.ofConfined(java.base@27-ea/Arena.java:257)
at jdk.internal.foreign.BufferStack$PerThread$Frame.<init>(java.base@27-ea/BufferStack.java:152)
at jdk.internal.foreign.BufferStack$PerThread.pushFrame(java.base@27-ea/BufferStack.java:119)
at jdk.internal.foreign.BufferStack.pushFrame(java.base@27-ea/BufferStack.java:73)
at TestBufferStackStress.lambda$stress$1(TestBufferStackStress.java:54)
at TestBufferStackStress$$Lambda/0x00000000322c4000.run(Unknown Source)
at java.lang.Thread.runWith(java.base@27-ea/Thread.java:1529)
at java.lang.VirtualThread.run(java.base@27-ea/VirtualThread.java:471)
at java.lang.VirtualThread$VThreadContinuation$1.run(java.base@27-ea/VirtualThread.java:251)
at jdk.internal.vm.Continuation.enter0(java.base@27-ea/Continuation.java:322)
at jdk.internal.vm.Continuation.enter(java.base@27-ea/Continuation.java:313)

   Locked ownable synchronizers:
- None

"ForkJoinPool-1-worker-6" #46 [4023564] daemon prio=5 os_prio=0 cpu=123506.93ms elapsed=512.76s allocated=327G defined_classes=8 tid=0x00007f2944000fc0 [0x00007f29982c7000]
   Carrying virtual thread #256
Thread: 0x00007f2944000fc0 [0x3d650c] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
at jdk.internal.vm.Continuation.run(java.base@27-ea/Continuation.java:251)
at java.lang.VirtualThread.runContinuation(java.base@27-ea/VirtualThread.java:296)
at java.lang.VirtualThread$$Lambda/0x000000003210d3e8.run(java.base@27-ea/Unknown Source)
at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(java.base@27-ea/ForkJoinTask.java:1596)
at java.util.concurrent.ForkJoinTask.doExec(java.base@27-ea/ForkJoinTask.java:511)
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@27-ea/ForkJoinPool.java:1436)
at java.util.concurrent.ForkJoinPool.runWorker(java.base@27-ea/ForkJoinPool.java:2011)
at java.util.concurrent.ForkJoinWorkerThread.run(java.base@27-ea/ForkJoinWorkerThread.java:187)
   Mounted virtual thread #256
at jdk.internal.foreign.MemorySessionImpl.createConfined(java.base@27-ea/MemorySessionImpl.java:144)
at java.lang.foreign.Arena.ofConfined(java.base@27-ea/Arena.java:257)
at jdk.internal.foreign.BufferStack$PerThread$Frame.<init>(java.base@27-ea/BufferStack.java:152)
at jdk.internal.foreign.BufferStack$PerThread.pushFrame(java.base@27-ea/BufferStack.java:119)
at jdk.internal.foreign.BufferStack.pushFrame(java.base@27-ea/BufferStack.java:73)
at TestBufferStackStress.lambda$stress$1(TestBufferStackStress.java:54)
at TestBufferStackStress$$Lambda/0x00000000322c4000.run(Unknown Source)
at java.lang.Thread.runWith(java.base@27-ea/Thread.java:1529)
at java.lang.VirtualThread.run(java.base@27-ea/VirtualThread.java:471)
at java.lang.VirtualThread$VThreadContinuation$1.run(java.base@27-ea/VirtualThread.java:251)
at jdk.internal.vm.Continuation.enter0(java.base@27-ea/Continuation.java:322)
at jdk.internal.vm.Continuation.enter(java.base@27-ea/Continuation.java:313)

   Locked ownable synchronizers:
- None

"ForkJoinPool-1-delayScheduler" #47 [4023565] daemon prio=5 os_prio=0 cpu=0.63ms elapsed=512.76s allocated=1096B defined_classes=0 tid=0x00007f293803d560 nid=4023565 waiting on condition [0x00007f29981c6000]
   java.lang.Thread.State: WAITING (parking)
Thread: 0x00007f293803d560 [0x3d650d] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
at jdk.internal.misc.Unsafe.park(java.base@27-ea/Native Method)
at java.util.concurrent.DelayScheduler.loop(java.base@27-ea/DelayScheduler.java:253)
at java.util.concurrent.DelayScheduler.run(java.base@27-ea/DelayScheduler.java:221)

   Locked ownable synchronizers:
- None

"ForkJoinPool-1-worker-5" #44 [4023566] daemon prio=5 os_prio=0 cpu=123509.70ms elapsed=512.76s allocated=315G defined_classes=2 tid=0x00007f293c003610 [0x00007f291fffe000]
   Carrying virtual thread #295
Thread: 0x00007f293c003610 [0x3d650e] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
at jdk.internal.vm.Continuation.run(java.base@27-ea/Continuation.java:251)
at java.lang.VirtualThread.runContinuation(java.base@27-ea/VirtualThread.java:296)
at java.lang.VirtualThread$$Lambda/0x000000003210d3e8.run(java.base@27-ea/Unknown Source)
at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(java.base@27-ea/ForkJoinTask.java:1596)
at java.util.concurrent.ForkJoinTask.doExec(java.base@27-ea/ForkJoinTask.java:511)
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@27-ea/ForkJoinPool.java:1436)
at java.util.concurrent.ForkJoinPool.runWorker(java.base@27-ea/ForkJoinPool.java:2011)
at java.util.concurrent.ForkJoinWorkerThread.run(java.base@27-ea/ForkJoinWorkerThread.java:187)
   Mounted virtual thread #295
at jdk.internal.foreign.MemorySessionImpl.createConfined(java.base@27-ea/MemorySessionImpl.java:144)
at java.lang.foreign.Arena.ofConfined(java.base@27-ea/Arena.java:257)
at jdk.internal.foreign.BufferStack$PerThread$Frame.<init>(java.base@27-ea/BufferStack.java:152)
at jdk.internal.foreign.BufferStack$PerThread.pushFrame(java.base@27-ea/BufferStack.java:119)
at jdk.internal.foreign.BufferStack.pushFrame(java.base@27-ea/BufferStack.java:73)
at TestBufferStackStress.lambda$stress$1(TestBufferStackStress.java:54)
at TestBufferStackStress$$Lambda/0x00000000322c4000.run(Unknown Source)
at java.lang.Thread.runWith(java.base@27-ea/Thread.java:1529)
at java.lang.VirtualThread.run(java.base@27-ea/VirtualThread.java:471)
at java.lang.VirtualThread$VThreadContinuation$1.run(java.base@27-ea/VirtualThread.java:251)
at jdk.internal.vm.Continuation.enter0(java.base@27-ea/Continuation.java:322)
at jdk.internal.vm.Continuation.enter(java.base@27-ea/Continuation.java:313)

   Locked ownable synchronizers:
- None

"ForkJoinPool-1-worker-8" #49 [4023567] daemon prio=5 os_prio=0 cpu=122941.38ms elapsed=512.75s allocated=326G defined_classes=2 tid=0x00007f292c000fc0 [0x00007f291fefc000]
   Carrying virtual thread #432
Thread: 0x00007f292c000fc0 [0x3d650f] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
at jdk.internal.vm.Continuation.run(java.base@27-ea/Continuation.java:251)
at java.lang.VirtualThread.runContinuation(java.base@27-ea/VirtualThread.java:296)
at java.lang.VirtualThread$$Lambda/0x000000003210d3e8.run(java.base@27-ea/Unknown Source)
at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(java.base@27-ea/ForkJoinTask.java:1596)
at java.util.concurrent.ForkJoinTask.doExec(java.base@27-ea/ForkJoinTask.java:511)
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@27-ea/ForkJoinPool.java:1436)
at java.util.concurrent.ForkJoinPool.runWorker(java.base@27-ea/ForkJoinPool.java:2011)
at java.util.concurrent.ForkJoinWorkerThread.run(java.base@27-ea/ForkJoinWorkerThread.java:187)
   Mounted virtual thread #432
at TestBufferStackStress.lambda$stress$1(TestBufferStackStress.java:56)
at TestBufferStackStress$$Lambda/0x00000000322c4000.run(Unknown Source)
at java.lang.Thread.runWith(java.base@27-ea/Thread.java:1529)
at java.lang.VirtualThread.run(java.base@27-ea/VirtualThread.java:471)
at java.lang.VirtualThread$VThreadContinuation$1.run(java.base@27-ea/VirtualThread.java:251)
at jdk.internal.vm.Continuation.enter0(java.base@27-ea/Continuation.java:322)
at jdk.internal.vm.Continuation.enter(java.base@27-ea/Continuation.java:313)