Undertow Deadlock ----------------- Key: WFLY-12822 URL: https://issues.jboss.org/browse/WFLY-12822 Project: WildFly Issue Type: Bug Components: Web (Undertow) Reporter: Brian Stansberry Assignee: Flavia Rainone Priority: Critical Testsuite hang: https://ci.wildfly.org/viewLog.html?buildId=175908&buildTypeId=WF_Pul... {code} 2019-11-22 19:51:16 Full thread dump Java HotSpot(TM) Server VM (25.152-b16 mixed mode): "Attach Listener" #223 daemon prio=9 os_prio=0 tid=0xc0af2400 nid=0x40bf waiting on condition [0x00000000] java.lang.Thread.State: RUNNABLE "ServerService Thread Pool -- 78" #191 prio=5 os_prio=0 tid=0xb8678800 nid=0xb78 waiting on condition [0xbacba000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc714cdf8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) at org.jboss.threads.JBossThread.run(JBossThread.java:485) "pool-13-thread-1" #162 prio=5 os_prio=0 tid=0xbdad1800 nid=0x8a1 waiting on condition [0xbad0b000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xe2479960> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) "ServerService Thread Pool -- 77" #153 prio=5 os_prio=0 tid=0xc4de7400 nid=0x896 waiting on condition [0xbac69000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc714cdf8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) at org.jboss.threads.JBossThread.run(JBossThread.java:485) "default task-2" #142 prio=5 os_prio=0 tid=0xc6848800 nid=0x872 waiting on condition [0xbac18000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc89b31d8> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "default task-1" #141 prio=5 os_prio=0 tid=0xbc8f1400 nid=0x871 waiting for monitor entry [0xbaa25000] java.lang.Thread.State: BLOCKED (on object monitor) at io.undertow.server.protocol.framed.AbstractFramedChannel.markWritesBroken(AbstractFramedChannel.java:883) - waiting to lock <0xe26b4980> (a io.undertow.protocols.http2.Http2Channel) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.channelForciblyClosed(AbstractFramedStreamSinkChannel.java:562) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.close(AbstractFramedStreamSinkChannel.java:539) at org.xnio.IoUtils.safeClose(IoUtils.java:152) at io.undertow.server.protocol.framed.AbstractFramedChannel.queueFrame(AbstractFramedChannel.java:728) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.queueFinalFrame(AbstractFramedStreamSinkChannel.java:257) - locked <0xe26ef4b8> (a java.lang.Object) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.shutdownWrites(AbstractFramedStreamSinkChannel.java:240) - locked <0xe26ef4b8> (a java.lang.Object) at io.undertow.protocols.http2.Http2Channel.sendGoAway(Http2Channel.java:822) at io.undertow.protocols.http2.Http2Channel.sendGoAway(Http2Channel.java:809) at io.undertow.protocols.http2.Http2Channel.removeStreamSink(Http2Channel.java:968) at io.undertow.protocols.http2.Http2StreamSinkChannel.channelForciblyClosed(Http2StreamSinkChannel.java:68) at io.undertow.protocols.http2.Http2DataStreamSinkChannel.channelForciblyClosed(Http2DataStreamSinkChannel.java:322) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.close(AbstractFramedStreamSinkChannel.java:539) at org.xnio.IoUtils.safeClose(IoUtils.java:152) at io.undertow.server.protocol.framed.AbstractFramedChannel.queueFrame(AbstractFramedChannel.java:728) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.queueFinalFrame(AbstractFramedStreamSinkChannel.java:257) - locked <0xe26b71b0> (a java.lang.Object) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.shutdownWrites(AbstractFramedStreamSinkChannel.java:240) - locked <0xe26b71b0> (a java.lang.Object) at org.xnio.conduits.StreamSinkChannelWrappingConduit.terminateWrites(StreamSinkChannelWrappingConduit.java:75) at org.xnio.conduits.ConduitStreamSinkChannel.shutdownWrites(ConduitStreamSinkChannel.java:178) at io.undertow.channels.DetachableStreamSinkChannel.shutdownWrites(DetachableStreamSinkChannel.java:79) at io.undertow.io.UndertowOutputStream.close(UndertowOutputStream.java:347) at io.undertow.io.UndertowOutputStream.updateWritten(UndertowOutputStream.java:266) at io.undertow.io.UndertowOutputStream.write(UndertowOutputStream.java:209) at io.undertow.io.UndertowOutputStream.write(UndertowOutputStream.java:105) at io.undertow.io.BlockingSenderImpl.send(BlockingSenderImpl.java:131) at io.undertow.io.BlockingSenderImpl.send(BlockingSenderImpl.java:166) at io.undertow.server.handlers.error.SimpleErrorPageHandler$1.handleDefaultResponse(SimpleErrorPageHandler.java:68) at io.undertow.server.HttpServerExchange.endExchange(HttpServerExchange.java:1608) at io.undertow.server.Connectors.executeRootHandler(Connectors.java:401) at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830) at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35) at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377) at java.lang.Thread.run(Thread.java:748) "expiration-thread--p3-t1" #131 daemon prio=1 os_prio=0 tid=0xbd8b2400 nid=0x863 waiting on condition [0xbaead000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xe21794d0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.jboss.as.clustering.context.ContextReferenceExecutor.execute(ContextReferenceExecutor.java:49) at org.jboss.as.clustering.context.ContextualExecutor$1.run(ContextualExecutor.java:70) at java.lang.Thread.run(Thread.java:748) "Reference Reaper #3" #129 daemon prio=5 os_prio=0 tid=0xc1bee400 nid=0x85e in Object.wait() [0xbbead000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143) - locked <0xe24ac228> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164) at org.wildfly.common.ref.References$ReaperThread.run(References.java:76) "Reference Reaper #2" #128 daemon prio=5 os_prio=0 tid=0xc012e400 nid=0x85d in Object.wait() [0xbbefe000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143) - locked <0xe24ac228> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164) at org.wildfly.common.ref.References$ReaperThread.run(References.java:76) "Reference Reaper #1" #127 daemon prio=5 os_prio=0 tid=0xc012d000 nid=0x85c in Object.wait() [0xbc05b000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143) - locked <0xe24ac228> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164) at org.wildfly.common.ref.References$ReaperThread.run(References.java:76) "management task-2" #125 prio=5 os_prio=0 tid=0xbdcde400 nid=0x83e waiting on condition [0xbc0fd000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8a77ca0> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "management task-1" #124 prio=5 os_prio=0 tid=0xbbf30800 nid=0x83d waiting on condition [0xbc35c000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8a77ca0> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "pool-8-thread-1" #123 prio=5 os_prio=0 tid=0xbbf2e800 nid=0x83c waiting on condition [0xbc3ad000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc898fc98> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) "DeploymentScanner-threads - 2" #121 prio=5 os_prio=0 tid=0xc3f5a000 nid=0x83a waiting on condition [0xbcaba000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8a64f80> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) at org.jboss.threads.JBossThread.run(JBossThread.java:485) "Transaction Reaper Worker 0" #120 daemon prio=5 os_prio=0 tid=0xbff57400 nid=0x839 in Object.wait() [0xbcb0b000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at com.arjuna.ats.arjuna.coordinator.TransactionReaper.waitForCancellations(TransactionReaper.java:328) - locked <0xe2258890> (a java.util.LinkedList) at com.arjuna.ats.internal.arjuna.coordinator.ReaperWorkerThread.run(ReaperWorkerThread.java:65) "Transaction Reaper" #119 daemon prio=5 os_prio=0 tid=0xbd84a800 nid=0x837 in Object.wait() [0xbcb5c000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at com.arjuna.ats.internal.arjuna.coordinator.ReaperThread.run(ReaperThread.java:90) - locked <0xe22586c0> (a com.arjuna.ats.arjuna.coordinator.TransactionReaper) "Periodic Recovery" #115 prio=5 os_prio=0 tid=0xbdfe1c00 nid=0x836 in Object.wait() [0xbcbad000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at com.arjuna.ats.internal.arjuna.recovery.PeriodicRecovery.doPeriodicWait(PeriodicRecovery.java:683) at com.arjuna.ats.internal.arjuna.recovery.PeriodicRecovery.run(PeriodicRecovery.java:403) - locked <0xe227f4b8> (a java.lang.Object) "Transaction Expired Entry Monitor" #118 daemon prio=5 os_prio=0 tid=0xbdfe0800 nid=0x835 in Object.wait() [0xbcbfe000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0xe226f588> (a com.arjuna.ats.internal.arjuna.recovery.ExpiredEntryMonitor) at com.arjuna.ats.internal.arjuna.recovery.ExpiredEntryMonitor.run(ExpiredEntryMonitor.java:190) - locked <0xe226f588> (a com.arjuna.ats.internal.arjuna.recovery.ExpiredEntryMonitor) "XNIO-1 Accept" #117 daemon prio=5 os_prio=0 tid=0xc4261400 nid=0x833 runnable [0xbce6c000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xe21df9e0> (a sun.nio.ch.Util$3) - locked <0xe21df9d0> (a java.util.Collections$UnmodifiableSet) - locked <0xe21df8d8> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at org.xnio.nio.WorkerThread.run(WorkerThread.java:532) "XNIO-1 I/O-1" #116 daemon prio=5 os_prio=0 tid=0xc4260400 nid=0x832 runnable [0xbcffc000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xe21df3a0> (a sun.nio.ch.Util$3) - locked <0xe21df390> (a java.util.Collections$UnmodifiableSet) - locked <0xe21df298> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at org.xnio.nio.WorkerThread.run(WorkerThread.java:532) "Timer-1" #114 prio=5 os_prio=0 tid=0xbe20c400 nid=0x82f in Object.wait() [0xbd67a000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0xc8d8bf48> (a java.util.TaskQueue) at java.lang.Object.wait(Object.java:502) at java.util.TimerThread.mainLoop(Timer.java:526) - locked <0xc8d8bf48> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "default Accept" #113 prio=5 os_prio=0 tid=0xbe023400 nid=0x82e runnable [0xbdb5c000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8dabc58> (a sun.nio.ch.Util$3) - locked <0xc8dabc48> (a java.util.Collections$UnmodifiableSet) - locked <0xc8dabb50> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at org.xnio.nio.WorkerThread.run(WorkerThread.java:532) "default I/O-8" #112 prio=5 os_prio=0 tid=0xbe022000 nid=0x82d runnable [0xbdbad000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8dae2b0> (a sun.nio.ch.Util$3) - locked <0xc8dae2a0> (a java.util.Collections$UnmodifiableSet) - locked <0xc8dae1a8> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at org.xnio.nio.WorkerThread.run(WorkerThread.java:532) "default I/O-7" #111 prio=5 os_prio=0 tid=0xbe020800 nid=0x82c runnable [0xbdbfe000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8dae8f8> (a sun.nio.ch.Util$3) - locked <0xc8dae8e8> (a java.util.Collections$UnmodifiableSet) - locked <0xc8dae7f0> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at org.xnio.nio.WorkerThread.run(WorkerThread.java:551) "default I/O-6" #110 prio=5 os_prio=0 tid=0xbe01f000 nid=0x82b runnable [0xbdd69000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8db6f50> (a sun.nio.ch.Util$3) - locked <0xc8db6f40> (a java.util.Collections$UnmodifiableSet) - locked <0xc8db6e48> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at org.xnio.nio.WorkerThread.run(WorkerThread.java:551) "default I/O-5" #109 prio=5 os_prio=0 tid=0xbe01c400 nid=0x82a runnable [0xbddba000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8db95a8> (a sun.nio.ch.Util$3) - locked <0xc8db9598> (a java.util.Collections$UnmodifiableSet) - locked <0xc8db94a0> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at org.xnio.nio.WorkerThread.run(WorkerThread.java:532) "default I/O-4" #108 prio=5 os_prio=0 tid=0xbe01b000 nid=0x829 runnable [0xbde0b000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8db9bf0> (a sun.nio.ch.Util$3) - locked <0xc8db9be0> (a java.util.Collections$UnmodifiableSet) - locked <0xc8db9ae8> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at org.xnio.nio.WorkerThread.run(WorkerThread.java:532) "default I/O-3" #107 prio=5 os_prio=0 tid=0xbea2b800 nid=0x828 runnable [0xbde5c000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8dba238> (a sun.nio.ch.Util$3) - locked <0xc8dba228> (a java.util.Collections$UnmodifiableSet) - locked <0xc8dba130> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at org.xnio.nio.WorkerThread.run(WorkerThread.java:532) "default I/O-2" #106 prio=5 os_prio=0 tid=0xbe019800 nid=0x827 runnable [0xbdead000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8dba880> (a sun.nio.ch.Util$3) - locked <0xc8dba870> (a java.util.Collections$UnmodifiableSet) - locked <0xc8dba778> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at org.xnio.nio.WorkerThread.run(WorkerThread.java:532) "default I/O-1" #105 prio=5 os_prio=0 tid=0xbea25400 nid=0x826 waiting for monitor entry [0xbdefe000] java.lang.Thread.State: BLOCKED (on object monitor) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.close(AbstractFramedStreamSinkChannel.java:525) - waiting to lock <0xe26b71b0> (a java.lang.Object) at org.xnio.IoUtils.safeClose(IoUtils.java:152) at io.undertow.protocols.http2.Http2Channel.closeSubChannels(Http2Channel.java:645) at io.undertow.server.protocol.framed.AbstractFramedChannel.close(AbstractFramedChannel.java:824) at org.xnio.IoUtils.safeClose(IoUtils.java:152) at io.undertow.protocols.http2.Http2Channel.lastDataRead(Http2Channel.java:593) at io.undertow.server.protocol.framed.AbstractFramedChannel.receive(AbstractFramedChannel.java:391) - locked <0xe26b4980> (a io.undertow.protocols.http2.Http2Channel) at io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(Http2ReceiveListener.java:118) at io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(Http2ReceiveListener.java:67) at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:950) at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:931) at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66) at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89) at org.xnio.nio.WorkerThread.run(WorkerThread.java:591) "IdleRemover" #104 daemon prio=5 os_prio=0 tid=0xc0286c00 nid=0x825 waiting on condition [0xbe39d000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8dc9790> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2163) at org.jboss.jca.core.connectionmanager.pool.idle.IdleRemover$IdleRemoverRunner.run(IdleRemover.java:261) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) "ConnectionValidator" #103 daemon prio=5 os_prio=0 tid=0xbf9f8800 nid=0x824 waiting on condition [0xbe3ee000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8dc9d78> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2163) at org.jboss.jca.core.connectionmanager.pool.validator.ConnectionValidator$ConnectionValidatorRunner.run(ConnectionValidator.java:263) 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) "Timer-0" #102 prio=5 os_prio=0 tid=0xc01a0400 nid=0x823 in Object.wait() [0xbe53f000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0xc8a73050> (a java.util.TaskQueue) at java.lang.Object.wait(Object.java:502) at java.util.TimerThread.mainLoop(Timer.java:526) - locked <0xc8a73050> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "management Accept" #92 prio=5 os_prio=0 tid=0xc2b20800 nid=0x820 runnable [0xbe632000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8a7f0b0> (a sun.nio.ch.Util$3) - locked <0xc8a7f0a0> (a java.util.Collections$UnmodifiableSet) - locked <0xc8a7efa8> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at org.xnio.nio.WorkerThread.run(WorkerThread.java:532) "management I/O-2" #90 prio=5 os_prio=0 tid=0xc2b1f000 nid=0x81f runnable [0xbe683000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8a7c400> (a sun.nio.ch.Util$3) - locked <0xc8a7c3f0> (a java.util.Collections$UnmodifiableSet) - locked <0xc8a7c2f8> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at org.xnio.nio.WorkerThread.run(WorkerThread.java:551) "management I/O-1" #80 prio=5 os_prio=0 tid=0xc2b1bc00 nid=0x81e runnable [0xbe6d4000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0xc8a7ea60> (a sun.nio.ch.Util$3) - locked <0xc8a7ea50> (a java.util.Collections$UnmodifiableSet) - locked <0xc8a7e958> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at org.xnio.nio.WorkerThread.run(WorkerThread.java:551) "ServerService Thread Pool -- 40" #63 prio=5 os_prio=0 tid=0xc0395000 nid=0x7fb waiting on condition [0xbf4c7000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc714cdf8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) at org.jboss.threads.JBossThread.run(JBossThread.java:485) "DeploymentScanner-threads - 1" #61 prio=5 os_prio=0 tid=0xbfb52400 nid=0x7f5 waiting on condition [0xbf569000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8a64f80> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) at org.jboss.threads.JBossThread.run(JBossThread.java:485) "ServerService Thread Pool -- 9" #31 prio=5 os_prio=0 tid=0x0878e000 nid=0x7d3 waiting on condition [0xc18fd000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8a3a0d8> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) at org.jboss.threads.JBossThread.run(JBossThread.java:485) "ServerService Thread Pool -- 1" #23 prio=5 os_prio=0 tid=0xc2e37400 nid=0x7ca waiting on condition [0xc2aad000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc714cdf8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) at org.jboss.threads.JBossThread.run(JBossThread.java:485) "DestroyJavaVM" #22 prio=5 os_prio=0 tid=0xf6508800 nid=0x7af waiting on condition [0x00000000] java.lang.Thread.State: RUNNABLE "MSC service thread 1-8" #20 prio=5 os_prio=0 tid=0xc2103800 nid=0x7c8 waiting on condition [0xc2afe000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8dca228> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "MSC service thread 1-7" #19 prio=5 os_prio=0 tid=0xc2102000 nid=0x7c7 waiting on condition [0xc2c5c000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8dca228> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "MSC service thread 1-6" #18 prio=5 os_prio=0 tid=0xc2101000 nid=0x7c6 waiting on condition [0xc2cad000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8dca228> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "MSC service thread 1-5" #17 prio=5 os_prio=0 tid=0xc4d3ec00 nid=0x7c5 waiting on condition [0xc29af000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8dca228> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "MSC service thread 1-4" #16 prio=5 os_prio=0 tid=0xc4d3d400 nid=0x7c4 waiting on condition [0xc2a00000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8dca228> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "MSC service thread 1-3" #15 prio=5 os_prio=0 tid=0xc4d2e000 nid=0x7c3 waiting on condition [0xc2a51000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8dca228> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "MSC service thread 1-2" #14 prio=5 os_prio=0 tid=0xc2d48800 nid=0x7c2 waiting on condition [0xc2cfe000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8dca228> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "MSC service thread 1-1" #13 prio=5 os_prio=0 tid=0xc2d46800 nid=0x7c1 waiting on condition [0xc3d7f000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0xc8dca228> (a org.jboss.threads.EnhancedQueueExecutor) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1409) at java.lang.Thread.run(Thread.java:748) "Reference Reaper" #9 daemon prio=5 os_prio=0 tid=0xc465b800 nid=0x7bd in Object.wait() [0xc45fe000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0xc7d105d8> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143) - locked <0xc7d105d8> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164) at org.jboss.modules.ref.References$ReaperThread.run(References.java:64) "Service Thread" #8 daemon prio=9 os_prio=0 tid=0xc4eab400 nid=0x7bb runnable [0x00000000] java.lang.Thread.State: RUNNABLE "C1 CompilerThread2" #7 daemon prio=9 os_prio=0 tid=0xc4ea8000 nid=0x7ba waiting on condition [0x00000000] java.lang.Thread.State: RUNNABLE "C2 CompilerThread1" #6 daemon prio=9 os_prio=0 tid=0xc4ea6800 nid=0x7b9 waiting on condition [0x00000000] java.lang.Thread.State: RUNNABLE "C2 CompilerThread0" #5 daemon prio=9 os_prio=0 tid=0xc4ea4c00 nid=0x7b8 waiting on condition [0x00000000] java.lang.Thread.State: RUNNABLE "Signal Dispatcher" #4 daemon prio=9 os_prio=0 tid=0xc4ea3000 nid=0x7b7 runnable [0x00000000] java.lang.Thread.State: RUNNABLE "Finalizer" #3 daemon prio=8 os_prio=0 tid=0xc4e89000 nid=0x7b6 in Object.wait() [0xc697d000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143) - locked <0xc7360118> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209) "Reference Handler" #2 daemon prio=10 os_prio=0 tid=0xc4e86000 nid=0x7b5 in Object.wait() [0xc6c7d000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at java.lang.ref.Reference.tryHandlePending(Reference.java:191) - locked <0xc704c810> (a java.lang.ref.Reference$Lock) at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153) "VM Thread" os_prio=0 tid=0xc4e81800 nid=0x7b4 runnable "GC task thread#0 (ParallelGC)" os_prio=0 tid=0xf6512000 nid=0x7b0 runnable "GC task thread#1 (ParallelGC)" os_prio=0 tid=0xf6513400 nid=0x7b1 runnable "GC task thread#2 (ParallelGC)" os_prio=0 tid=0xf6514800 nid=0x7b2 runnable "GC task thread#3 (ParallelGC)" os_prio=0 tid=0xf6515c00 nid=0x7b3 runnable "VM Periodic Task Thread" os_prio=0 tid=0xc4eaf400 nid=0x7bc waiting on condition JNI global references: 1879 Found one Java-level deadlock: ============================= "default task-1": waiting to lock monitor 0xc3cba830 (object 0xe26b4980, a io.undertow.protocols.http2.Http2Channel), which is held by "default I/O-1" "default I/O-1": waiting to lock monitor 0xc3cba89c (object 0xe26b71b0, a java.lang.Object), which is held by "default task-1" Java stack information for the threads listed above: =================================================== "default task-1": at io.undertow.server.protocol.framed.AbstractFramedChannel.markWritesBroken(AbstractFramedChannel.java:883) - waiting to lock <0xe26b4980> (a io.undertow.protocols.http2.Http2Channel) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.channelForciblyClosed(AbstractFramedStreamSinkChannel.java:562) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.close(AbstractFramedStreamSinkChannel.java:539) at org.xnio.IoUtils.safeClose(IoUtils.java:152) at io.undertow.server.protocol.framed.AbstractFramedChannel.queueFrame(AbstractFramedChannel.java:728) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.queueFinalFrame(AbstractFramedStreamSinkChannel.java:257) - locked <0xe26ef4b8> (a java.lang.Object) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.shutdownWrites(AbstractFramedStreamSinkChannel.java:240) - locked <0xe26ef4b8> (a java.lang.Object) at io.undertow.protocols.http2.Http2Channel.sendGoAway(Http2Channel.java:822) at io.undertow.protocols.http2.Http2Channel.sendGoAway(Http2Channel.java:809) at io.undertow.protocols.http2.Http2Channel.removeStreamSink(Http2Channel.java:968) at io.undertow.protocols.http2.Http2StreamSinkChannel.channelForciblyClosed(Http2StreamSinkChannel.java:68) at io.undertow.protocols.http2.Http2DataStreamSinkChannel.channelForciblyClosed(Http2DataStreamSinkChannel.java:322) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.close(AbstractFramedStreamSinkChannel.java:539) at org.xnio.IoUtils.safeClose(IoUtils.java:152) at io.undertow.server.protocol.framed.AbstractFramedChannel.queueFrame(AbstractFramedChannel.java:728) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.queueFinalFrame(AbstractFramedStreamSinkChannel.java:257) - locked <0xe26b71b0> (a java.lang.Object) at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.shutdownWrites(AbstractFramedStreamSinkChannel.java:240) - locked <0xe26b71b0> (a java.lang.Object) at org.xnio.conduits.StreamSinkChannelWrappingConduit.terminateWrites(StreamSinkChannelWrappingConduit.java:75) at org.xnio.conduits.ConduitStreamSinkChannel.shutdownWrites(ConduitStreamSinkChannel.java:178) at io.undertow.channels.DetachableStreamSinkChannel.shutdownWrites(DetachableStreamSinkChannel.java:79) at io.undertow.io.UndertowOutputStream.close(UndertowOutputStream.java:347) at io.undertow.io.UndertowOutputStream.updateWritten(UndertowOutputStream.java:266) at io.undertow.io.UndertowOutputStream.write(UndertowOutputStream.java:209) at io.undertow.io.UndertowOutputStream.write(UndertowOutputStream.java:105) at io.undertow.io.BlockingSenderImpl.send(BlockingSenderImpl.java:131) at io.undertow.io.BlockingSenderImpl.send(BlockingSenderImpl.java:166) at io.undertow.server.handlers.error.SimpleErrorPageHandler$1.handleDefaultResponse(SimpleErrorPageHandler.java:68) at io.undertow.server.HttpServerExchange.endExchange(HttpServerExchange.java:1608) at io.undertow.server.Connectors.executeRootHandler(Connectors.java:401) at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830) at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35) at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377) at java.lang.Thread.run(Thread.java:748) "default I/O-1": at io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.close(AbstractFramedStreamSinkChannel.java:525) - waiting to lock <0xe26b71b0> (a java.lang.Object) at org.xnio.IoUtils.safeClose(IoUtils.java:152) at io.undertow.protocols.http2.Http2Channel.closeSubChannels(Http2Channel.java:645) at io.undertow.server.protocol.framed.AbstractFramedChannel.close(AbstractFramedChannel.java:824) at org.xnio.IoUtils.safeClose(IoUtils.java:152) at io.undertow.protocols.http2.Http2Channel.lastDataRead(Http2Channel.java:593) at io.undertow.server.protocol.framed.AbstractFramedChannel.receive(AbstractFramedChannel.java:391) - locked <0xe26b4980> (a io.undertow.protocols.http2.Http2Channel) at io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(Http2ReceiveListener.java:118) at io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(Http2ReceiveListener.java:67) at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:950) at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:931) at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66) at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89) at org.xnio.nio.WorkerThread.run(WorkerThread.java:591) Found 1 deadlock. {code}