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https://issues.apache.org/jira/browse/ARTEMIS-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16650063#comment-16650063
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ASF GitHub Bot commented on ARTEMIS-2111:
-----------------------------------------
Github user michalxo commented on the issue:
https://github.com/apache/activemq-artemis/pull/2347
I have managed to reproduced this issue on VM by simply adding extra hdd,
formatting it, and making Artemis to use it for bindings, journal, (etc..).
Started broker, waited for all components to go up and simply deleted hdd from
virt-manager.
> ManagementContext can leak
> --------------------------
>
> Key: ARTEMIS-2111
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2111
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 2.6.3
> Reporter: Justin Bertram
> Assignee: Justin Bertram
> Priority: Major
>
> If a {{management-context}} {{connector}} is configured in {{management.xml}}
> (e.g. below) and
> {{org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl#stop(boolean,
> boolean, boolean)}} is called (e.g. due to criticalIOErrors) the JVM will
> not exit due to a handful of leaked RMI related threads for the MBean server
> implementation.
> {code:xml}
> <management-context xmlns="http://activemq.org/schema";>
> <connector connector-port="1099" connector-host="0.0.0.0"/>
> ...
> </management-context>
> {code}
> Here's an example thread dump after the broker has stopped:
> {noformat}
> 2018-08-10 10:47:59
> Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.20-b23 mixed mode):
> "Attach Listener" #122 daemon prio=9 os_prio=31 tid=0x00007fe609a37800
> nid=0x920f waiting on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> Locked ownable synchronizers:
> - None
> "DestroyJavaVM" #57 prio=5 os_prio=31 tid=0x00007fe60a000800 nid=0x1c03
> waiting on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> Locked ownable synchronizers:
> - None
> "RMI RenewClean-[192.168.1.125:62416]" #20 daemon prio=5 os_prio=31
> tid=0x00007fe609432800 nid=0x7f03 in Object.wait() [0x000070000672e000]
> java.lang.Thread.State: TIMED_WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000007400d1e18> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142)
> - locked <0x00000007400d1e18> (a java.lang.ref.ReferenceQueue$Lock)
> at
> sun.rmi.transport.DGCClient$EndpointEntry$RenewCleanThread.run(DGCClient.java:536)
> at java.lang.Thread.run(Thread.java:745)
> Locked ownable synchronizers:
> - None
> "RMI Scheduler(0)" #19 daemon prio=5 os_prio=31 tid=0x00007fe60c2c4000
> nid=0x7d03 waiting on condition [0x000070000662b000]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x000000074017e5b8> (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:1067)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Locked ownable synchronizers:
> - None
> "GC Daemon" #17 daemon prio=2 os_prio=31 tid=0x00007fe60c2bb000 nid=0x7903 in
> Object.wait() [0x0000700006425000]
> java.lang.Thread.State: TIMED_WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000007402b00c8> (a sun.misc.GC$LatencyLock)
> at sun.misc.GC$Daemon.run(GC.java:117)
> - locked <0x00000007402b00c8> (a sun.misc.GC$LatencyLock)
> Locked ownable synchronizers:
> - None
> "RMI Reaper" #16 prio=5 os_prio=31 tid=0x00007fe60d001800 nid=0x7703 in
> Object.wait() [0x0000700006322000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000007401d9310> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142)
> - locked <0x00000007401d9310> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:158)
> at sun.rmi.transport.ObjectTable$Reaper.run(ObjectTable.java:351)
> at java.lang.Thread.run(Thread.java:745)
> Locked ownable synchronizers:
> - None
> "RMI TCP Accept-0" #15 daemon prio=5 os_prio=31 tid=0x00007fe60a902000
> nid=0x7503 runnable [0x000070000621f000]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at
> java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:404)
> at java.net.ServerSocket.implAccept(ServerSocket.java:545)
> at java.net.ServerSocket.accept(ServerSocket.java:513)
> at
> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:389)
> at
> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:361)
> at java.lang.Thread.run(Thread.java:745)
> Locked ownable synchronizers:
> - None
> "RMI TCP Accept-1099" #14 daemon prio=5 os_prio=31 tid=0x00007fe60a411800
> nid=0x7303 runnable [0x000070000611c000]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at
> java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:404)
> at java.net.ServerSocket.implAccept(ServerSocket.java:545)
> at java.net.ServerSocket.accept(ServerSocket.java:513)
> at
> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:389)
> at
> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:361)
> at java.lang.Thread.run(Thread.java:745)
> Locked ownable synchronizers:
> - None
> "ActiveMQ Artemis Server Shutdown Timer" #12 daemon prio=5 os_prio=31
> tid=0x00007fe60b80a800 nid=0x7103 in Object.wait() [0x0000700006019000]
> java.lang.Thread.State: TIMED_WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> at java.util.TimerThread.mainLoop(Timer.java:552)
> - locked <0x00000007402450b8> (a java.util.TaskQueue)
> at java.util.TimerThread.run(Timer.java:505)
> Locked ownable synchronizers:
> - None
> "Service Thread" #10 daemon prio=9 os_prio=31 tid=0x00007fe60916e000
> nid=0x6d03 runnable [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> Locked ownable synchronizers:
> - None
> "C1 CompilerThread3" #9 daemon prio=9 os_prio=31 tid=0x00007fe60a02d800
> nid=0x6b03 waiting on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> Locked ownable synchronizers:
> - None
> "C2 CompilerThread2" #8 daemon prio=9 os_prio=31 tid=0x00007fe609812800
> nid=0x6903 waiting on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> Locked ownable synchronizers:
> - None
> "C2 CompilerThread1" #7 daemon prio=9 os_prio=31 tid=0x00007fe609163000
> nid=0x6703 waiting on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> Locked ownable synchronizers:
> - None
> "C2 CompilerThread0" #6 daemon prio=9 os_prio=31 tid=0x00007fe60c016800
> nid=0x6503 waiting on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> Locked ownable synchronizers:
> - None
> "Signal Dispatcher" #5 daemon prio=9 os_prio=31 tid=0x00007fe60c014800
> nid=0x6303 runnable [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> Locked ownable synchronizers:
> - None
> "Surrogate Locker Thread (Concurrent GC)" #4 daemon prio=9 os_prio=31
> tid=0x00007fe609158800 nid=0x6003 waiting on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> Locked ownable synchronizers:
> - None
> "Finalizer" #3 daemon prio=8 os_prio=31 tid=0x00007fe609152800 nid=0x5103 in
> Object.wait() [0x00007000056fe000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000007401972f8> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142)
> - locked <0x00000007401972f8> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:158)
> at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
> Locked ownable synchronizers:
> - None
> "Reference Handler" #2 daemon prio=10 os_prio=31 tid=0x00007fe60a02a800
> nid=0x4f03 in Object.wait() [0x00007000055fb000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x0000000740348588> (a java.lang.ref.Reference$Lock)
> at java.lang.Object.wait(Object.java:502)
> at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)
> - locked <0x0000000740348588> (a java.lang.ref.Reference$Lock)
> Locked ownable synchronizers:
> - None
> "VM Thread" os_prio=31 tid=0x00007fe60a028000 nid=0x4d03 runnable
> "Gang worker#0 (Parallel GC Threads)" os_prio=31 tid=0x00007fe60a00e800
> nid=0x2503 runnable
> "Gang worker#1 (Parallel GC Threads)" os_prio=31 tid=0x00007fe60900c800
> nid=0x2703 runnable
> "Gang worker#2 (Parallel GC Threads)" os_prio=31 tid=0x00007fe60a00f000
> nid=0x2903 runnable
> "Gang worker#3 (Parallel GC Threads)" os_prio=31 tid=0x00007fe60900d000
> nid=0x2b03 runnable
> "Gang worker#4 (Parallel GC Threads)" os_prio=31 tid=0x00007fe60a010000
> nid=0x2d03 runnable
> "Gang worker#5 (Parallel GC Threads)" os_prio=31 tid=0x00007fe60900e000
> nid=0x2f03 runnable
> "Gang worker#6 (Parallel GC Threads)" os_prio=31 tid=0x00007fe60a800000
> nid=0x3103 runnable
> "Gang worker#7 (Parallel GC Threads)" os_prio=31 tid=0x00007fe60a010800
> nid=0x3303 runnable
> "G1 Main Concurrent Mark GC Thread" os_prio=31 tid=0x00007fe60980a000
> nid=0x4703 runnable
> "Gang worker#0 (G1 Parallel Marking Threads)" os_prio=31
> tid=0x00007fe609010000 nid=0x4903 runnable
> "Gang worker#1 (G1 Parallel Marking Threads)" os_prio=31
> tid=0x00007fe609010800 nid=0x4b03 runnable
> "G1 Concurrent Refinement Thread#0" os_prio=31 tid=0x00007fe60a012000
> nid=0x4503 runnable
> "G1 Concurrent Refinement Thread#1" os_prio=31 tid=0x00007fe60b801800
> nid=0x4303 runnable
> "G1 Concurrent Refinement Thread#2" os_prio=31 tid=0x00007fe60a011000
> nid=0x4103 runnable
> "G1 Concurrent Refinement Thread#3" os_prio=31 tid=0x00007fe60900f000
> nid=0x3f03 runnable
> "G1 Concurrent Refinement Thread#4" os_prio=31 tid=0x00007fe60b801000
> nid=0x3d03 runnable
> "G1 Concurrent Refinement Thread#5" os_prio=31 tid=0x00007fe60900e800
> nid=0x3b03 runnable
> "G1 Concurrent Refinement Thread#6" os_prio=31 tid=0x00007fe60b800000
> nid=0x3903 runnable
> "G1 Concurrent Refinement Thread#7" os_prio=31 tid=0x00007fe609802000
> nid=0x3703 runnable
> "G1 Concurrent Refinement Thread#8" os_prio=31 tid=0x00007fe609801000
> nid=0x3503 runnable
> "VM Periodic Task Thread" os_prio=31 tid=0x00007fe60915e800 nid=0x6f03
> waiting on condition
> JNI global references: 294
> {noformat}
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