2018-08-06 13:51:33 Full thread dump Java HotSpot(TM) 64-Bit Server VM (11-ea+24 mixed mode): Threads class SMR info: _java_thread_list=0x00000000280078c0, length=19, elements={ 0x0000000000399800, 0x00000000260e2000, 0x0000000026090000, 0x00000000260ea800, 0x00000000271f0800, 0x00000000271f1800, 0x00000000271f6000, 0x0000000027256800, 0x000000002734b800, 0x00000000273a6000, 0x0000000027558000, 0x0000000027ff9000, 0x0000000027ffa000, 0x0000000027ffb000, 0x0000000028016000, 0x0000000028016800, 0x0000000028021800, 0x0000000028024800, 0x0000000028007000 } "main" #1 prio=5 os_prio=0 cpu=795.61ms elapsed=36.13s tid=0x0000000000399800 nid=0x2620 in Object.wait() [0x000000000213f000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(java.base@11-ea/Native Method) - waiting on <0x00000007146618d8> (a java.util.concurrent.ForkJoinTask$AdaptedRunnableAction) at java.util.concurrent.ForkJoinTask.externalInterruptibleAwaitDone(java.base@11-ea/ForkJoinTask.java:356) - waiting to re-lock in wait() <0x00000007146618d8> (a java.util.concurrent.ForkJoinTask$AdaptedRunnableAction) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelOuterTask(JI9056412.java:91) at JI9056412.run(JI9056412.java:67) at JI9056412.main(JI9056412.java:31) Locked ownable synchronizers: - None "Reference Handler" #2 daemon prio=10 os_prio=2 cpu=0.00ms elapsed=36.00s tid=0x00000000260e2000 nid=0x3c9c waiting on condition [0x000000002702e000] java.lang.Thread.State: RUNNABLE at java.lang.ref.Reference.waitForReferencePendingList(java.base@11-ea/Native Method) at java.lang.ref.Reference.processPendingReferences(java.base@11-ea/Reference.java:241) at java.lang.ref.Reference$ReferenceHandler.run(java.base@11-ea/Reference.java:213) Locked ownable synchronizers: - None "Finalizer" #3 daemon prio=8 os_prio=1 cpu=0.00ms elapsed=35.99s tid=0x0000000026090000 nid=0x2790 in Object.wait() [0x00000000271ee000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(java.base@11-ea/Native Method) - waiting on <0x0000000714708f10> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(java.base@11-ea/ReferenceQueue.java:155) - waiting to re-lock in wait() <0x0000000714708f10> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(java.base@11-ea/ReferenceQueue.java:176) at java.lang.ref.Finalizer$FinalizerThread.run(java.base@11-ea/Finalizer.java:170) Locked ownable synchronizers: - None "Signal Dispatcher" #4 daemon prio=9 os_prio=2 cpu=0.00ms elapsed=35.92s tid=0x00000000260ea800 nid=0x2c34 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "Attach Listener" #5 daemon prio=5 os_prio=2 cpu=0.00ms elapsed=35.92s tid=0x00000000271f0800 nid=0x4370 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "C2 CompilerThread0" #6 daemon prio=9 os_prio=2 cpu=156.00ms elapsed=35.91s tid=0x00000000271f1800 nid=0x4998 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE No compile task Locked ownable synchronizers: - None "C1 CompilerThread0" #8 daemon prio=9 os_prio=2 cpu=312.00ms elapsed=35.91s tid=0x00000000271f6000 nid=0xca4 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE No compile task Locked ownable synchronizers: - None "Sweeper thread" #9 daemon prio=9 os_prio=2 cpu=0.00ms elapsed=35.91s tid=0x0000000027256800 nid=0xb34 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "Service Thread" #10 daemon prio=9 os_prio=0 cpu=0.00ms elapsed=35.74s tid=0x000000002734b800 nid=0x3d74 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "Common-Cleaner" #11 daemon prio=8 os_prio=1 cpu=0.00ms elapsed=35.71s tid=0x00000000273a6000 nid=0x3e70 in Object.wait() [0x0000000027f9e000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(java.base@11-ea/Native Method) - waiting on <0x00000007146131d8> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(java.base@11-ea/ReferenceQueue.java:155) - waiting to re-lock in wait() <0x00000007146131d8> (a java.lang.ref.ReferenceQueue$Lock) at jdk.internal.ref.CleanerImpl.run(java.base@11-ea/CleanerImpl.java:148) at java.lang.Thread.run(java.base@11-ea/Thread.java:834) at jdk.internal.misc.InnocuousThread.run(java.base@11-ea/InnocuousThread.java:134) Locked ownable synchronizers: - None "outer pool1" #12 daemon prio=5 os_prio=0 cpu=62.40ms elapsed=35.37s tid=0x0000000027558000 nid=0x2858 waiting for monitor entry [0x000000002890c000] java.lang.Thread.State: BLOCKED (on object monitor) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1924) - waiting to lock <0x00000007145f2908> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x0000000714583908> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x0000000714583820> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x00000007145836d8> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x0000000714569f80> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinTask.doInvoke(java.base@11-ea/ForkJoinTask.java:408) at java.util.concurrent.ForkJoinTask.invoke(java.base@11-ea/ForkJoinTask.java:736) at java.util.stream.ForEachOps$ForEachOp.evaluateParallel(java.base@11-ea/ForEachOps.java:159) at java.util.stream.ForEachOps$ForEachOp$OfLong.evaluateParallel(java.base@11-ea/ForEachOps.java:209) at java.util.stream.AbstractPipeline.evaluate(java.base@11-ea/AbstractPipeline.java:233) at java.util.stream.LongPipeline.forEach(java.base@11-ea/LongPipeline.java:421) at java.util.stream.LongPipeline$Head.forEach(java.base@11-ea/LongPipeline.java:579) at JI9056412.lambda$streamParallelOuterTask$5(JI9056412.java:82) at JI9056412$$Lambda$5/0x0000000800066c40.run(Unknown Source) at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(java.base@11-ea/ForkJoinTask.java:1407) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@11-ea/ForkJoinPool.java:1020) at java.util.concurrent.ForkJoinPool.scan(java.base@11-ea/ForkJoinPool.java:1656) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1594) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) Locked ownable synchronizers: - None "outer pool2" #13 daemon prio=5 os_prio=0 cpu=0.00ms elapsed=35.33s tid=0x0000000027ff9000 nid=0x3d94 waiting for monitor entry [0x0000000028bce000] java.lang.Thread.State: BLOCKED (on object monitor) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1924) - waiting to lock <0x00000007145836d8> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@11-ea/ForkJoinPool.java:1020) at java.util.concurrent.ForkJoinPool.scan(java.base@11-ea/ForkJoinPool.java:1656) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1594) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) Locked ownable synchronizers: - None "outer pool3" #14 daemon prio=5 os_prio=0 cpu=0.00ms elapsed=35.33s tid=0x0000000027ffa000 nid=0x19d8 waiting for monitor entry [0x0000000028a2c000] java.lang.Thread.State: BLOCKED (on object monitor) at java.util.concurrent.ConcurrentHashMap.transfer(java.base@11-ea/ConcurrentHashMap.java:2478) - waiting to lock <0x0000000714583820> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at java.util.concurrent.ConcurrentHashMap.addCount(java.base@11-ea/ConcurrentHashMap.java:2348) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1994) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x00000007145fb080> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x00000007145faf98> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x00000007145f2908> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@11-ea/ForkJoinPool.java:1020) at java.util.concurrent.ForkJoinPool.scan(java.base@11-ea/ForkJoinPool.java:1656) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1594) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) Locked ownable synchronizers: - None "outer pool0" #15 daemon prio=5 os_prio=0 cpu=0.00ms elapsed=35.33s tid=0x0000000027ffb000 nid=0x177c waiting for monitor entry [0x0000000028dce000] java.lang.Thread.State: BLOCKED (on object monitor) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1924) - waiting to lock <0x00000007145f2908> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@11-ea/ForkJoinPool.java:1020) at java.util.concurrent.ForkJoinPool.scan(java.base@11-ea/ForkJoinPool.java:1656) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1594) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) Locked ownable synchronizers: - None "inner pool1" #16 daemon prio=5 os_prio=0 cpu=15.60ms elapsed=35.30s tid=0x0000000028016000 nid=0x2190 waiting on condition [0x0000000028ede000] java.lang.Thread.State: WAITING (parking) at jdk.internal.misc.Unsafe.park(java.base@11-ea/Native Method) - parking to wait for <0x0000000714657138> (a java.util.concurrent.ForkJoinPool) at java.util.concurrent.locks.LockSupport.park(java.base@11-ea/LockSupport.java:194) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1628) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) Locked ownable synchronizers: - None "inner pool2" #17 daemon prio=5 os_prio=0 cpu=0.00ms elapsed=35.27s tid=0x0000000028016800 nid=0x30e4 waiting on condition [0x000000002911e000] java.lang.Thread.State: WAITING (parking) at jdk.internal.misc.Unsafe.park(java.base@11-ea/Native Method) - parking to wait for <0x0000000714657138> (a java.util.concurrent.ForkJoinPool) at java.util.concurrent.locks.LockSupport.park(java.base@11-ea/LockSupport.java:194) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1628) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) Locked ownable synchronizers: - None "inner pool0" #18 daemon prio=5 os_prio=0 cpu=15.60ms elapsed=35.27s tid=0x0000000028021800 nid=0x361c waiting on condition [0x00000000292df000] java.lang.Thread.State: WAITING (parking) at jdk.internal.misc.Unsafe.park(java.base@11-ea/Native Method) - parking to wait for <0x0000000714657138> (a java.util.concurrent.ForkJoinPool) at java.util.concurrent.locks.LockSupport.park(java.base@11-ea/LockSupport.java:194) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1628) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) Locked ownable synchronizers: - None "inner pool3" #19 daemon prio=5 os_prio=0 cpu=0.00ms elapsed=35.27s tid=0x0000000028024800 nid=0x18e4 waiting on condition [0x000000002945f000] java.lang.Thread.State: TIMED_WAITING (parking) at jdk.internal.misc.Unsafe.park(java.base@11-ea/Native Method) - parking to wait for <0x0000000714657138> (a java.util.concurrent.ForkJoinPool) at java.util.concurrent.locks.LockSupport.parkUntil(java.base@11-ea/LockSupport.java:275) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1619) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) Locked ownable synchronizers: - None "outer pool4" #20 daemon prio=5 os_prio=0 cpu=0.00ms elapsed=35.25s tid=0x0000000028007000 nid=0x49d4 waiting for monitor entry [0x000000002963e000] java.lang.Thread.State: BLOCKED (on object monitor) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1924) - waiting to lock <0x0000000714583908> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@11-ea/ForkJoinPool.java:1020) at java.util.concurrent.ForkJoinPool.scan(java.base@11-ea/ForkJoinPool.java:1656) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1594) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) Locked ownable synchronizers: - None "VM Thread" os_prio=2 cpu=46.80ms elapsed=36.03s tid=0x000000002608b800 nid=0xb84 runnable "GC Thread#0" os_prio=2 cpu=15.60ms elapsed=36.11s tid=0x00000000003ac800 nid=0xfec runnable "G1 Main Marker" os_prio=2 cpu=0.00ms elapsed=36.10s tid=0x0000000000405800 nid=0x4708 runnable "G1 Conc#0" os_prio=2 cpu=0.00ms elapsed=36.10s tid=0x0000000000407000 nid=0x34d8 runnable "G1 Refine#0" os_prio=2 cpu=0.00ms elapsed=36.08s tid=0x0000000025ef4800 nid=0x3e6c runnable "G1 Young RemSet Sampling" os_prio=2 cpu=0.00ms elapsed=36.08s tid=0x0000000025ef5000 nid=0xadc runnable "VM Periodic Task Thread" os_prio=2 cpu=0.00ms elapsed=35.73s tid=0x000000002734d000 nid=0x4a08 waiting on condition JNI global refs: 4, weak refs: 0 Found one Java-level deadlock: ============================= "outer pool1": waiting to lock monitor 0x000000002801d380 (object 0x00000007145f2908, a java.util.concurrent.ConcurrentHashMap$ReservationNode), which is held by "outer pool3" "outer pool3": waiting to lock monitor 0x0000000028011280 (object 0x0000000714583820, a java.util.concurrent.ConcurrentHashMap$ReservationNode), which is held by "outer pool1" Java stack information for the threads listed above: =================================================== "outer pool1": at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1924) - waiting to lock <0x00000007145f2908> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x0000000714583908> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x0000000714583820> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x00000007145836d8> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x0000000714569f80> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinTask.doInvoke(java.base@11-ea/ForkJoinTask.java:408) at java.util.concurrent.ForkJoinTask.invoke(java.base@11-ea/ForkJoinTask.java:736) at java.util.stream.ForEachOps$ForEachOp.evaluateParallel(java.base@11-ea/ForEachOps.java:159) at java.util.stream.ForEachOps$ForEachOp$OfLong.evaluateParallel(java.base@11-ea/ForEachOps.java:209) at java.util.stream.AbstractPipeline.evaluate(java.base@11-ea/AbstractPipeline.java:233) at java.util.stream.LongPipeline.forEach(java.base@11-ea/LongPipeline.java:421) at java.util.stream.LongPipeline$Head.forEach(java.base@11-ea/LongPipeline.java:579) at JI9056412.lambda$streamParallelOuterTask$5(JI9056412.java:82) at JI9056412$$Lambda$5/0x0000000800066c40.run(Unknown Source) at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(java.base@11-ea/ForkJoinTask.java:1407) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@11-ea/ForkJoinPool.java:1020) at java.util.concurrent.ForkJoinPool.scan(java.base@11-ea/ForkJoinPool.java:1656) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1594) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) "outer pool3": at java.util.concurrent.ConcurrentHashMap.transfer(java.base@11-ea/ConcurrentHashMap.java:2478) - waiting to lock <0x0000000714583820> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at java.util.concurrent.ConcurrentHashMap.addCount(java.base@11-ea/ConcurrentHashMap.java:2348) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1994) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x00000007145fb080> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x00000007145faf98> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool.awaitJoin(java.base@11-ea/ForkJoinPool.java:1708) at java.util.concurrent.ForkJoinTask.doJoin(java.base@11-ea/ForkJoinTask.java:397) at java.util.concurrent.ForkJoinTask.get(java.base@11-ea/ForkJoinTask.java:1004) at JI9056412.streamParallelInnerTask(JI9056412.java:170) at JI9056412.lambda$biFunction$9(JI9056412.java:145) at JI9056412$$Lambda$8/0x0000000800082840.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.compute(java.base@11-ea/ConcurrentHashMap.java:1908) - locked <0x00000007145f2908> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at JI9056412.lambda$streamParallelOuterTask$4(JI9056412.java:85) at JI9056412$$Lambda$6/0x0000000800081840.accept(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfLong.accept(java.base@11-ea/ForEachOps.java:225) at java.util.Random$RandomLongsSpliterator.forEachRemaining(java.base@11-ea/Random.java:1099) at java.util.Spliterator$OfLong.forEachRemaining(java.base@11-ea/Spliterator.java:763) at java.util.stream.AbstractPipeline.copyInto(java.base@11-ea/AbstractPipeline.java:484) at java.util.stream.ForEachOps$ForEachTask.compute(java.base@11-ea/ForEachOps.java:290) at java.util.concurrent.CountedCompleter.exec(java.base@11-ea/CountedCompleter.java:746) at java.util.concurrent.ForkJoinTask.doExec(java.base@11-ea/ForkJoinTask.java:290) at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@11-ea/ForkJoinPool.java:1020) at java.util.concurrent.ForkJoinPool.scan(java.base@11-ea/ForkJoinPool.java:1656) at java.util.concurrent.ForkJoinPool.runWorker(java.base@11-ea/ForkJoinPool.java:1594) at java.util.concurrent.ForkJoinWorkerThread.run(java.base@11-ea/ForkJoinWorkerThread.java:177) Found 1 deadlock.