2021-08-03 19:02:24 Full thread dump OpenJDK 64-Bit Server VM (11.0.11+9-Ubuntu-0ubuntu2 mixed mode, sharing): Threads class SMR info: _java_thread_list=0x00007f23d809a410, length=19, elements={ 0x00007f247c25e000, 0x00007f247c260000, 0x00007f247c266800, 0x00007f247c268800, 0x00007f247c26b000, 0x00007f247c275000, 0x00007f247c277000, 0x00007f247c2aa000, 0x00007f247c017800, 0x00007f240413b000, 0x00007f240413e800, 0x00007f2404142000, 0x00007f2404143800, 0x00007f23ec3ad000, 0x00007f2424001000, 0x00007f24182c5800, 0x00007f23e0129800, 0x00007f23dc0a3800, 0x00007f23dc0a7000 } "Reference Handler" #2 daemon prio=10 os_prio=0 cpu=1.13ms elapsed=48.67s tid=0x00007f247c25e000 nid=0x39674 waiting on condition [0x00007f244c36f000] java.lang.Thread.State: RUNNABLE at java.lang.ref.Reference.waitForReferencePendingList(java.base@11.0.11/Native Method) at java.lang.ref.Reference.processPendingReferences(java.base@11.0.11/Reference.java:241) at java.lang.ref.Reference$ReferenceHandler.run(java.base@11.0.11/Reference.java:213) Locked ownable synchronizers: - None "Finalizer" #3 daemon prio=8 os_prio=0 cpu=0.21ms elapsed=48.67s tid=0x00007f247c260000 nid=0x39675 in Object.wait() [0x00007f244c26e000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(java.base@11.0.11/Native Method) - waiting on <0x0000000628802ef8> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(java.base@11.0.11/ReferenceQueue.java:155) - waiting to re-lock in wait() <0x0000000628802ef8> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(java.base@11.0.11/ReferenceQueue.java:176) at java.lang.ref.Finalizer$FinalizerThread.run(java.base@11.0.11/Finalizer.java:170) Locked ownable synchronizers: - None "Signal Dispatcher" #4 daemon prio=9 os_prio=0 cpu=0.14ms elapsed=48.67s tid=0x00007f247c266800 nid=0x39676 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "Service Thread" #5 daemon prio=9 os_prio=0 cpu=0.02ms elapsed=48.67s tid=0x00007f247c268800 nid=0x39677 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "C2 CompilerThread0" #6 daemon prio=9 os_prio=0 cpu=861.51ms elapsed=48.67s tid=0x00007f247c26b000 nid=0x39678 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE No compile task Locked ownable synchronizers: - None "C1 CompilerThread0" #14 daemon prio=9 os_prio=0 cpu=418.97ms elapsed=48.67s tid=0x00007f247c275000 nid=0x39679 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE No compile task Locked ownable synchronizers: - None "Sweeper thread" #18 daemon prio=9 os_prio=0 cpu=0.03ms elapsed=48.67s tid=0x00007f247c277000 nid=0x3967a runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "Common-Cleaner" #19 daemon prio=8 os_prio=0 cpu=0.74ms elapsed=48.65s tid=0x00007f247c2aa000 nid=0x3967d in Object.wait() [0x00007f2444c86000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(java.base@11.0.11/Native Method) - waiting on <0x0000000628802760> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(java.base@11.0.11/ReferenceQueue.java:155) - waiting to re-lock in wait() <0x0000000628802760> (a java.lang.ref.ReferenceQueue$Lock) at jdk.internal.ref.CleanerImpl.run(java.base@11.0.11/CleanerImpl.java:148) at java.lang.Thread.run(java.base@11.0.11/Thread.java:829) at jdk.internal.misc.InnocuousThread.run(java.base@11.0.11/InnocuousThread.java:134) Locked ownable synchronizers: - None "DestroyJavaVM" #21 prio=5 os_prio=0 cpu=35.66ms elapsed=48.64s tid=0x00007f247c017800 nid=0x3966a waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "Java2D Disposer" #23 daemon prio=10 os_prio=0 cpu=0.44ms elapsed=48.50s tid=0x00007f240413b000 nid=0x39683 in Object.wait() [0x00007f240a732000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(java.base@11.0.11/Native Method) - waiting on <0x0000000628803df0> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(java.base@11.0.11/ReferenceQueue.java:155) - waiting to re-lock in wait() <0x0000000628803df0> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(java.base@11.0.11/ReferenceQueue.java:176) at sun.java2d.Disposer.run(java.desktop@11.0.11/Disposer.java:144) at java.lang.Thread.run(java.base@11.0.11/Thread.java:829) Locked ownable synchronizers: - None "AWT-XAWT" #24 daemon prio=6 os_prio=0 cpu=90.20ms elapsed=48.50s tid=0x00007f240413e800 nid=0x39684 runnable [0x00007f240a631000] java.lang.Thread.State: RUNNABLE at sun.awt.X11.XToolkit.waitForEvents(java.desktop@11.0.11/Native Method) at sun.awt.X11.XToolkit.run(java.desktop@11.0.11/XToolkit.java:684) at sun.awt.X11.XToolkit.run(java.desktop@11.0.11/XToolkit.java:648) at java.lang.Thread.run(java.base@11.0.11/Thread.java:829) Locked ownable synchronizers: - None "AWT-Shutdown" #26 prio=5 os_prio=0 cpu=0.31ms elapsed=48.50s tid=0x00007f2404142000 nid=0x39685 in Object.wait() [0x00007f240a530000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(java.base@11.0.11/Native Method) - waiting on <0x0000000628801398> (a java.lang.Object) at java.lang.Object.wait(java.base@11.0.11/Object.java:328) at sun.awt.AWTAutoShutdown.run(java.desktop@11.0.11/AWTAutoShutdown.java:291) - waiting to re-lock in wait() <0x0000000628801398> (a java.lang.Object) at java.lang.Thread.run(java.base@11.0.11/Thread.java:829) Locked ownable synchronizers: - None "AWT-EventQueue-0" #25 prio=6 os_prio=0 cpu=395.26ms elapsed=48.50s tid=0x00007f2404143800 nid=0x39686 waiting on condition [0x00007f240a42f000] java.lang.Thread.State: WAITING (parking) at jdk.internal.misc.Unsafe.park(java.base@11.0.11/Native Method) - parking to wait for <0x0000000628805f98> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(java.base@11.0.11/LockSupport.java:194) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@11.0.11/AbstractQueuedSynchronizer.java:2081) at java.awt.EventQueue.getNextEvent(java.desktop@11.0.11/EventQueue.java:566) at java.awt.EventDispatchThread.pumpOneEventForFilters(java.desktop@11.0.11/EventDispatchThread.java:190) at java.awt.EventDispatchThread.pumpEventsForFilter(java.desktop@11.0.11/EventDispatchThread.java:124) at java.awt.EventDispatchThread.pumpEventsForHierarchy(java.desktop@11.0.11/EventDispatchThread.java:113) at java.awt.EventDispatchThread.pumpEvents(java.desktop@11.0.11/EventDispatchThread.java:109) at java.awt.EventDispatchThread.pumpEvents(java.desktop@11.0.11/EventDispatchThread.java:101) at java.awt.EventDispatchThread.run(java.desktop@11.0.11/EventDispatchThread.java:90) Locked ownable synchronizers: - None "TimerQueue" #30 daemon prio=5 os_prio=0 cpu=8.45ms elapsed=44.74s tid=0x00007f23ec3ad000 nid=0x39695 waiting on condition [0x00007f240a22d000] java.lang.Thread.State: WAITING (parking) at jdk.internal.misc.Unsafe.park(java.base@11.0.11/Native Method) - parking to wait for <0x0000000628806ba0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(java.base@11.0.11/LockSupport.java:194) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@11.0.11/AbstractQueuedSynchronizer.java:2081) at java.util.concurrent.DelayQueue.take(java.base@11.0.11/DelayQueue.java:217) at javax.swing.TimerQueue.run(java.desktop@11.0.11/TimerQueue.java:171) at java.lang.Thread.run(java.base@11.0.11/Thread.java:829) Locked ownable synchronizers: - <0x000000062893a500> (a java.util.concurrent.locks.ReentrantLock$NonfairSync) "Attach Listener" #32 daemon prio=9 os_prio=0 cpu=116.94ms elapsed=20.03s tid=0x00007f2424001000 nid=0x396a6 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "RMI TCP Accept-0" #34 daemon prio=9 os_prio=0 cpu=0.78ms elapsed=19.16s tid=0x00007f24182c5800 nid=0x396aa runnable [0x00007f240a32e000] java.lang.Thread.State: RUNNABLE at java.net.PlainSocketImpl.socketAccept(java.base@11.0.11/Native Method) at java.net.AbstractPlainSocketImpl.accept(java.base@11.0.11/AbstractPlainSocketImpl.java:458) at java.net.ServerSocket.implAccept(java.base@11.0.11/ServerSocket.java:565) at java.net.ServerSocket.accept(java.base@11.0.11/ServerSocket.java:533) at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(jdk.management.agent@11.0.11/LocalRMIServerSocketFactory.java:52) at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(java.rmi@11.0.11/TCPTransport.java:394) at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(java.rmi@11.0.11/TCPTransport.java:366) at java.lang.Thread.run(java.base@11.0.11/Thread.java:829) Locked ownable synchronizers: - None "RMI TCP Connection(1)-127.0.0.1" #35 daemon prio=9 os_prio=0 cpu=123.57ms elapsed=19.16s tid=0x00007f23e0129800 nid=0x396ac runnable [0x00007f240a029000] java.lang.Thread.State: RUNNABLE at java.net.SocketInputStream.socketRead0(java.base@11.0.11/Native Method) at java.net.SocketInputStream.socketRead(java.base@11.0.11/SocketInputStream.java:115) at java.net.SocketInputStream.read(java.base@11.0.11/SocketInputStream.java:168) at java.net.SocketInputStream.read(java.base@11.0.11/SocketInputStream.java:140) at java.io.BufferedInputStream.fill(java.base@11.0.11/BufferedInputStream.java:252) at java.io.BufferedInputStream.read(java.base@11.0.11/BufferedInputStream.java:271) - locked <0x000000062a045418> (a java.io.BufferedInputStream) at java.io.FilterInputStream.read(java.base@11.0.11/FilterInputStream.java:83) at sun.rmi.transport.tcp.TCPTransport.handleMessages(java.rmi@11.0.11/TCPTransport.java:544) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(java.rmi@11.0.11/TCPTransport.java:796) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(java.rmi@11.0.11/TCPTransport.java:677) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$$Lambda$201/0x000000084024b440.run(java.rmi@11.0.11/Unknown Source) at java.security.AccessController.doPrivileged(java.base@11.0.11/Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(java.rmi@11.0.11/TCPTransport.java:676) at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.11/ThreadPoolExecutor.java:1128) at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.11/ThreadPoolExecutor.java:628) at java.lang.Thread.run(java.base@11.0.11/Thread.java:829) Locked ownable synchronizers: - <0x000000062881dcd8> (a java.util.concurrent.ThreadPoolExecutor$Worker) "RMI Scheduler(0)" #36 daemon prio=9 os_prio=0 cpu=0.15ms elapsed=19.14s tid=0x00007f23dc0a3800 nid=0x396b8 waiting on condition [0x00007f2408c14000] java.lang.Thread.State: TIMED_WAITING (parking) at jdk.internal.misc.Unsafe.park(java.base@11.0.11/Native Method) - parking to wait for <0x00000006286b1200> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.11/LockSupport.java:234) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.11/AbstractQueuedSynchronizer.java:2123) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(java.base@11.0.11/ScheduledThreadPoolExecutor.java:1182) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(java.base@11.0.11/ScheduledThreadPoolExecutor.java:899) at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.11/ThreadPoolExecutor.java:1054) at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.11/ThreadPoolExecutor.java:1114) at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.11/ThreadPoolExecutor.java:628) at java.lang.Thread.run(java.base@11.0.11/Thread.java:829) Locked ownable synchronizers: - None "JMX server connection timeout 37" #37 daemon prio=9 os_prio=0 cpu=6.03ms elapsed=19.14s tid=0x00007f23dc0a7000 nid=0x396b9 in Object.wait() [0x00007f2408b13000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(java.base@11.0.11/Native Method) - waiting on <0x000000062a090858> (a [I) at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(java.management@11.0.11/ServerCommunicatorAdmin.java:171) - waiting to re-lock in wait() <0x000000062a090858> (a [I) at java.lang.Thread.run(java.base@11.0.11/Thread.java:829) Locked ownable synchronizers: - None "VM Thread" os_prio=0 cpu=17.75ms elapsed=48.67s tid=0x00007f247c25b000 nid=0x39673 runnable "GC Thread#0" os_prio=0 cpu=8.90ms elapsed=48.68s tid=0x00007f247c030800 nid=0x3966e runnable "GC Thread#1" os_prio=0 cpu=4.27ms elapsed=19.16s tid=0x00007f2438041000 nid=0x396ad runnable "GC Thread#2" os_prio=0 cpu=4.41ms elapsed=19.15s tid=0x00007f2438042800 nid=0x396ae runnable "GC Thread#3" os_prio=0 cpu=4.22ms elapsed=19.16s tid=0x00007f2438044000 nid=0x396af runnable "GC Thread#4" os_prio=0 cpu=3.80ms elapsed=19.16s tid=0x00007f2438046000 nid=0x396b0 runnable "GC Thread#5" os_prio=0 cpu=4.76ms elapsed=19.16s tid=0x00007f2438047800 nid=0x396b1 runnable "GC Thread#6" os_prio=0 cpu=4.33ms elapsed=19.16s tid=0x00007f2438049000 nid=0x396b2 runnable "GC Thread#7" os_prio=0 cpu=4.35ms elapsed=19.16s tid=0x00007f243804a800 nid=0x396b3 runnable "GC Thread#8" os_prio=0 cpu=4.24ms elapsed=19.16s tid=0x00007f243804c000 nid=0x396b4 runnable "GC Thread#9" os_prio=0 cpu=3.87ms elapsed=19.16s tid=0x00007f243804e000 nid=0x396b5 runnable "GC Thread#10" os_prio=0 cpu=4.04ms elapsed=19.16s tid=0x00007f2438050000 nid=0x396b6 runnable "GC Thread#11" os_prio=0 cpu=3.06ms elapsed=19.16s tid=0x00007f2438051800 nid=0x396b7 runnable "G1 Main Marker" os_prio=0 cpu=0.05ms elapsed=48.68s tid=0x00007f247c06b800 nid=0x3966f runnable "G1 Conc#0" os_prio=0 cpu=0.02ms elapsed=48.68s tid=0x00007f247c06d800 nid=0x39670 runnable "G1 Refine#0" os_prio=0 cpu=0.03ms elapsed=48.68s tid=0x00007f247c21a800 nid=0x39671 runnable "G1 Young RemSet Sampling" os_prio=0 cpu=2.54ms elapsed=48.68s tid=0x00007f247c21c800 nid=0x39672 runnable "VM Periodic Task Thread" os_prio=0 cpu=11.46ms elapsed=48.65s tid=0x00007f247c2a7800 nid=0x3967c waiting on condition JNI global refs: 101, weak refs: 36