flaky test - RollCycleMultiThreadStressTest.stress

[RobAustin]

see https://teamcity.chronicle.software/repository/download/OpenHFT_ReleaseJob_ReleaseByArtifact/409946:id/ReleaseAutomation/projects/chronicle-queue-runTests-1589447515464.log

[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 65.537 s <<< FAILURE! - in net.openhft.chronicle.queue.impl.single.RollCycleMultiThreadStressTest
[ERROR] net.openhft.chronicle.queue.impl.single.RollCycleMultiThreadStressTest.stress Time elapsed: 65.434 s <<< FAILURE!
java.lang.AssertionError: Readers did not catch up
at net.openhft.chronicle.queue.impl.single.RollCycleMultiThreadStressTest.stress(RollCycleMultiThreadStressTest.java:230)

[RobAustin]

I also see this in the log file

but this is when running - net.openhft.chronicle.queue.impl.single.PretoucherStressTest

[main/pretouch] WARN net.openhft.chronicle.queue.impl.single.SingleChronicleQueueExcerpts$StoreAppender - 
java.lang.InternalError: a fault occurred in a recent unsafe memory access operation in compiled Java code
	at net.openhft.chronicle.bytes.MappedBytes.compareAndSwapLong(MappedBytes.java:996)
	at net.openhft.chronicle.queue.impl.single.PretoucherState.touchPage(PretoucherState.java:101)
	at net.openhft.chronicle.queue.impl.single.PretoucherState.pretouch(PretoucherState.java:71)
	at net.openhft.chronicle.queue.impl.single.Pretoucher.execute(Pretoucher.java:58)
	at net.openhft.chronicle.queue.impl.single.SingleChronicleQueueExcerpts$StoreAppender.pretouch(SingleChronicleQueueExcerpts.java:177)
	at net.openhft.chronicle.queue.impl.single.RollCycleMultiThreadStressTest$PretoucherThread.call(RollCycleMultiThreadStressTest.java:474)
	at net.openhft.chronicle.queue.impl.single.RollCycleMultiThreadStressTest$PretoucherThread.call(RollCycleMultiThreadStressTest.java:455)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

[JerryShea]

See also ChronicleEnterprise/Chronicle-Queue-Enterprise#103

…

On Fri., 15 May 2020, 1:29 am Rob Austin, ***@***.***> wrote: I also see this in the log file [main/pretouch] WARN net.openhft.chronicle.queue.impl.single.SingleChronicleQueueExcerpts$StoreAppender - java.lang.InternalError: a fault occurred in a recent unsafe memory access operation in compiled Java code at net.openhft.chronicle.bytes.MappedBytes.compareAndSwapLong(MappedBytes.java:996) at net.openhft.chronicle.queue.impl.single.PretoucherState.touchPage(PretoucherState.java:101) at net.openhft.chronicle.queue.impl.single.PretoucherState.pretouch(PretoucherState.java:71) at net.openhft.chronicle.queue.impl.single.Pretoucher.execute(Pretoucher.java:58) at net.openhft.chronicle.queue.impl.single.SingleChronicleQueueExcerpts$StoreAppender.pretouch(SingleChronicleQueueExcerpts.java:177) at net.openhft.chronicle.queue.impl.single.RollCycleMultiThreadStressTest$PretoucherThread.call(RollCycleMultiThreadStressTest.java:474) at net.openhft.chronicle.queue.impl.single.RollCycleMultiThreadStressTest$PretoucherThread.call(RollCycleMultiThreadStressTest.java:455) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#671 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AG5XOHPE5XKHUTASVCTDRTTRRQE7LANCNFSM4NAZKDSQ> .

[dpisklov]

ran it 200 times and it doesn't fail - most likely has been fixed by the changes made in #673

[RobAustin]

It's still flaky on TC, see

https://teamcity.chronicle.software/buildConfiguration/OpenHFT_ChronicleQueue4_Snapshot/410718?mode=builds

[dpisklov]

Likely fixed.