https://bz.apache.org/bugzilla/show_bug.cgi?id=63078

--- Comment #20 from Peter <peter.beich...@lhsystems.com> ---
Hi,
for the test I used a vanilla tomcat, added startStopThreads="0" startet it
only with the manager webapp and one smnall war-file (Echo.war)

1) after startup I took the first threadump
2) undeployed the the war file and made the second threadump
3) waited a minute and copied the war file back into the webapp directory.
4) waited a minute (nothing happend) and made the thrid threaddump
5) shutdown tomcat

below you'll find the last threaddump as well as the catalina.out entries for
stopping the server. The Exception at the end from shutdown might be
interesting for you. 

Let me know if  you also need the first two thread dumps.

best regards
Peter

2019-01-22 08:45:03
Full thread dump OpenJDK 64-Bit Server VM (11.0.1+13 mixed mode):

Threads class SMR info:
_java_thread_list=0x000000000228ddf0, length=40, elements={
0x00000000020fb800, 0x00000000021f7000, 0x0000000002201800, 0x0000000002219000,
0x000000000221b800, 0x000000000221d800, 0x0000000002220000, 0x00007f62940a6000,
0x00007f62940ad800, 0x00007f629412c000, 0x00007f6294165000, 0x00007f628c130800,
0x00007f628c135000, 0x00007f628c15e800, 0x00007f628c1ab800, 0x00007f628c1ac800,
0x00007f628c1ae000, 0x00007f628c3ae000, 0x00007f628c3b0000, 0x00007f628c3b8000,
0x00007f628c3ba000, 0x00007f628c3c0000, 0x00007f628c3c4800, 0x00007f628c3c7800,
0x00007f628c3c8800, 0x00007f628c3cb000, 0x00007f628c3d0800, 0x00007f628c3d2000,
0x00007f628c3d6000, 0x00007f628c3d8000, 0x00007f628c3da000, 0x00007f628c3df000,
0x00007f628c3e4000, 0x00007f628c3e6000, 0x000000000228b000, 0x000000000228c000,
0x000000000228f800, 0x0000000002290800, 0x0000000002291800, 0x000000000230c800
}

"main" #1 prio=5 os_prio=0 cpu=2599.92ms elapsed=489.68s tid=0x00000000020fb800
nid=0x37a6d1 runnable  [0x00007f62b9d5c000]
   java.lang.Thread.State: RUNNABLE
        at java.net.PlainSocketImpl.socketAccept(java.base@11.0.1/Native
Method)
        at
java.net.AbstractPlainSocketImpl.accept(java.base@11.0.1/AbstractPlainSocketImpl.java:458)
        at
java.net.ServerSocket.implAccept(java.base@11.0.1/ServerSocket.java:551)
        at java.net.ServerSocket.accept(java.base@11.0.1/ServerSocket.java:519)
        at
org.apache.catalina.core.StandardServer.await(StandardServer.java:612)
        at org.apache.catalina.startup.Catalina.await(Catalina.java:725)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:671)
        at
jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@11.0.1/Native
Method)
        at
jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@11.0.1/NativeMethodAccessorImpl.java:62)
        at
jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@11.0.1/DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(java.base@11.0.1/Method.java:566)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:350)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:492)

"Reference Handler" #2 daemon prio=10 os_prio=0 cpu=5.31ms elapsed=489.61s
tid=0x00000000021f7000 nid=0x37a6d8 waiting on condition  [0x00007f6298c50000]
   java.lang.Thread.State: RUNNABLE
        at
java.lang.ref.Reference.waitForReferencePendingList(java.base@11.0.1/Native
Method)
        at
java.lang.ref.Reference.processPendingReferences(java.base@11.0.1/Reference.java:241)
        at
java.lang.ref.Reference$ReferenceHandler.run(java.base@11.0.1/Reference.java:213)

"Finalizer" #3 daemon prio=8 os_prio=0 cpu=1.23ms elapsed=489.61s
tid=0x0000000002201800 nid=0x37a6d9 in Object.wait()  [0x00007f6298b4f000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(java.base@11.0.1/Native Method)
        - waiting on <0x00000000b243d178> (a java.lang.ref.ReferenceQueue$Lock)
        at
java.lang.ref.ReferenceQueue.remove(java.base@11.0.1/ReferenceQueue.java:155)
        - waiting to re-lock in wait() <0x00000000b243d178> (a
java.lang.ref.ReferenceQueue$Lock)
        at
java.lang.ref.ReferenceQueue.remove(java.base@11.0.1/ReferenceQueue.java:176)
        at
java.lang.ref.Finalizer$FinalizerThread.run(java.base@11.0.1/Finalizer.java:170)

"Signal Dispatcher" #4 daemon prio=9 os_prio=0 cpu=0.64ms elapsed=489.59s
tid=0x0000000002219000 nid=0x37a6da waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread0" #5 daemon prio=9 os_prio=0 cpu=3847.63ms elapsed=489.59s
tid=0x000000000221b800 nid=0x37a6db waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
   No compile task

"C1 CompilerThread0" #6 daemon prio=9 os_prio=0 cpu=2047.40ms elapsed=489.59s
tid=0x000000000221d800 nid=0x37a6dc waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
   No compile task

"Sweeper thread" #7 daemon prio=9 os_prio=0 cpu=83.64ms elapsed=489.59s
tid=0x0000000002220000 nid=0x37a6dd runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Common-Cleaner" #8 daemon prio=8 os_prio=0 cpu=5.75ms elapsed=489.43s
tid=0x00007f62940a6000 nid=0x37a6de in Object.wait()  [0x00007f62984e2000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
        at java.lang.Object.wait(java.base@11.0.1/Native Method)
        - waiting on <0x00000000b25a46a0> (a java.lang.ref.ReferenceQueue$Lock)
        at
java.lang.ref.ReferenceQueue.remove(java.base@11.0.1/ReferenceQueue.java:155)
        - waiting to re-lock in wait() <0x00000000b25a46a0> (a
java.lang.ref.ReferenceQueue$Lock)
        at
jdk.internal.ref.CleanerImpl.run(java.base@11.0.1/CleanerImpl.java:148)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)
        at
jdk.internal.misc.InnocuousThread.run(java.base@11.0.1/InnocuousThread.java:134)

"Service Thread" #9 daemon prio=9 os_prio=0 cpu=0.13ms elapsed=489.40s
tid=0x00007f62940ad800 nid=0x37a6df runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"AsyncFileHandlerWriter-1632392469" #12 daemon prio=5 os_prio=0 cpu=199.67ms
elapsed=489.23s tid=0x00007f629412c000 nid=0x37a6e1 waiting on condition 
[0x00007f62981ae000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b240f5a0> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingDeque.pollFirst(java.base@11.0.1/LinkedBlockingDeque.java:513)
        at
java.util.concurrent.LinkedBlockingDeque.poll(java.base@11.0.1/LinkedBlockingDeque.java:675)
        at
org.apache.juli.AsyncFileHandler$LoggerThread.run(AsyncFileHandler.java:159)

"FileHandlerLogFilesCleaner-1" #13 daemon prio=5 os_prio=0 cpu=94.13ms
elapsed=489.04s tid=0x00007f6294165000 nid=0x37a6e2 waiting on condition 
[0x00007f6293bce000]
   java.lang.Thread.State: WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b240eab8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.park(java.base@11.0.1/LockSupport.java:194)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@11.0.1/AbstractQueuedSynchronizer.java:2081)
        at
java.util.concurrent.LinkedBlockingQueue.take(java.base@11.0.1/LinkedBlockingQueue.java:433)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"NioBlockingSelector.BlockPoller-1" #14 daemon prio=5 os_prio=0 cpu=156.28ms
elapsed=486.80s tid=0x00007f628c130800 nid=0x37a6e6 runnable 
[0x00007f6292ab6000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPoll.wait(java.base@11.0.1/Native Method)
        at
sun.nio.ch.EPollSelectorImpl.doSelect(java.base@11.0.1/EPollSelectorImpl.java:120)
        at
sun.nio.ch.SelectorImpl.lockAndDoSelect(java.base@11.0.1/SelectorImpl.java:124)
        - locked <0x00000000b5eaefd0> (a sun.nio.ch.Util$2)
        - locked <0x00000000b5eaee70> (a sun.nio.ch.EPollSelectorImpl)
        at
sun.nio.ch.SelectorImpl.select(java.base@11.0.1/SelectorImpl.java:136)
        at
org.apache.tomcat.util.net.NioBlockingSelector$BlockPoller.run(NioBlockingSelector.java:298)

"NioBlockingSelector.BlockPoller-2" #15 daemon prio=5 os_prio=0 cpu=122.18ms
elapsed=486.78s tid=0x00007f628c135000 nid=0x37a6e7 runnable 
[0x00007f62929b5000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPoll.wait(java.base@11.0.1/Native Method)
        at
sun.nio.ch.EPollSelectorImpl.doSelect(java.base@11.0.1/EPollSelectorImpl.java:120)
        at
sun.nio.ch.SelectorImpl.lockAndDoSelect(java.base@11.0.1/SelectorImpl.java:124)
        - locked <0x00000000b5ead6a0> (a sun.nio.ch.Util$2)
        - locked <0x00000000b5ead540> (a sun.nio.ch.EPollSelectorImpl)
        at
sun.nio.ch.SelectorImpl.select(java.base@11.0.1/SelectorImpl.java:136)
        at
org.apache.tomcat.util.net.NioBlockingSelector$BlockPoller.run(NioBlockingSelector.java:298)

"Catalina-utility-1" #16 prio=1 os_prio=0 cpu=1575.38ms elapsed=486.57s
tid=0x00007f628c15e800 nid=0x37a6e8 waiting on condition  [0x00007f62928b3000]
   java.lang.Thread.State: WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8142908> (a
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask)
        at
java.util.concurrent.locks.LockSupport.park(java.base@11.0.1/LockSupport.java:194)
        at
java.util.concurrent.FutureTask.awaitDone(java.base@11.0.1/FutureTask.java:447)
        at
java.util.concurrent.FutureTask.get(java.base@11.0.1/FutureTask.java:190)
        at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:779)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:427)
        at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1621)
        at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:305)
        at
org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
        at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1149)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1351)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1355)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1333)
        at
java.util.concurrent.Executors$RunnableAdapter.call(java.base@11.0.1/Executors.java:515)
        at
java.util.concurrent.FutureTask.runAndReset(java.base@11.0.1/FutureTask.java:305)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(java.base@11.0.1/ScheduledThreadPoolExecutor.java:305)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1128)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-exec-1" #17 daemon prio=5 os_prio=0 cpu=0.78ms elapsed=485.31s
tid=0x00007f628c1ab800 nid=0x37a6ea waiting on condition  [0x00007f62923b3000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8848a78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-exec-2" #18 daemon prio=5 os_prio=0 cpu=1.41ms elapsed=485.31s
tid=0x00007f628c1ac800 nid=0x37a6eb waiting on condition  [0x00007f62922b2000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8848a78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-exec-3" #19 daemon prio=5 os_prio=0 cpu=0.51ms elapsed=485.31s
tid=0x00007f628c1ae000 nid=0x37a6ec waiting on condition  [0x00007f62921b1000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8848a78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-exec-4" #20 daemon prio=5 os_prio=0 cpu=0.50ms elapsed=485.31s
tid=0x00007f628c3ae000 nid=0x37a6ed waiting on condition  [0x00007f62920b0000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8848a78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-exec-5" #21 daemon prio=5 os_prio=0 cpu=0.42ms elapsed=485.31s
tid=0x00007f628c3b0000 nid=0x37a6ee waiting on condition  [0x00007f6291faf000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8848a78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-exec-9" #25 daemon prio=5 os_prio=0 cpu=0.45ms elapsed=485.31s
tid=0x00007f628c3b8000 nid=0x37a6f2 waiting on condition  [0x00007f6291bab000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8848a78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-exec-10" #26 daemon prio=5 os_prio=0 cpu=0.68ms elapsed=485.31s
tid=0x00007f628c3ba000 nid=0x37a6f3 waiting on condition  [0x00007f6291aaa000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8848a78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-ClientPoller-0" #27 daemon prio=5 os_prio=0 cpu=130.28ms
elapsed=485.30s tid=0x00007f628c3c0000 nid=0x37a6f4 runnable 
[0x00007f62919a9000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPoll.wait(java.base@11.0.1/Native Method)
        at
sun.nio.ch.EPollSelectorImpl.doSelect(java.base@11.0.1/EPollSelectorImpl.java:120)
        at
sun.nio.ch.SelectorImpl.lockAndDoSelect(java.base@11.0.1/SelectorImpl.java:124)
        - locked <0x00000000b888a468> (a sun.nio.ch.Util$2)
        - locked <0x00000000b888a318> (a sun.nio.ch.EPollSelectorImpl)
        at
sun.nio.ch.SelectorImpl.select(java.base@11.0.1/SelectorImpl.java:136)
        at
org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:744)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-ClientPoller-1" #28 daemon prio=5 os_prio=0 cpu=134.09ms
elapsed=485.30s tid=0x00007f628c3c4800 nid=0x37a6f5 runnable 
[0x00007f62918a8000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPoll.wait(java.base@11.0.1/Native Method)
        at
sun.nio.ch.EPollSelectorImpl.doSelect(java.base@11.0.1/EPollSelectorImpl.java:120)
        at
sun.nio.ch.SelectorImpl.lockAndDoSelect(java.base@11.0.1/SelectorImpl.java:124)
        - locked <0x00000000b888ac68> (a sun.nio.ch.Util$2)
        - locked <0x00000000b888ab18> (a sun.nio.ch.EPollSelectorImpl)
        at
sun.nio.ch.SelectorImpl.select(java.base@11.0.1/SelectorImpl.java:136)
        at
org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:744)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-Acceptor-0" #29 daemon prio=5 os_prio=0 cpu=1.02ms
elapsed=485.29s tid=0x00007f628c3c7800 nid=0x37a6f6 runnable 
[0x00007f62917a7000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.ServerSocketChannelImpl.accept0(java.base@11.0.1/Native
Method)
        at
sun.nio.ch.ServerSocketChannelImpl.accept(java.base@11.0.1/ServerSocketChannelImpl.java:533)
        at
sun.nio.ch.ServerSocketChannelImpl.accept(java.base@11.0.1/ServerSocketChannelImpl.java:285)
        at
org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:448)
        at
org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:70)
        at org.apache.tomcat.util.net.Acceptor.run(Acceptor.java:95)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-exec-1" #30 daemon prio=5 os_prio=0 cpu=0.41ms elapsed=485.28s
tid=0x00007f628c3c8800 nid=0x37a6f7 waiting on condition  [0x00007f62916a6000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b88993b8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-exec-2" #31 daemon prio=5 os_prio=0 cpu=0.35ms elapsed=485.27s
tid=0x00007f628c3cb000 nid=0x37a6f8 waiting on condition  [0x00007f62915a5000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b88993b8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-exec-5" #34 daemon prio=5 os_prio=0 cpu=0.40ms elapsed=485.26s
tid=0x00007f628c3d0800 nid=0x37a6fb waiting on condition  [0x00007f62912a2000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b88993b8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-exec-6" #35 daemon prio=5 os_prio=0 cpu=0.47ms elapsed=485.26s
tid=0x00007f628c3d2000 nid=0x37a6fc waiting on condition  [0x00007f62911a1000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b88993b8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-exec-8" #37 daemon prio=5 os_prio=0 cpu=0.43ms elapsed=485.22s
tid=0x00007f628c3d6000 nid=0x37a6fe waiting on condition  [0x00007f6290f9f000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b88993b8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-exec-9" #38 daemon prio=5 os_prio=0 cpu=0.43ms elapsed=485.22s
tid=0x00007f628c3d8000 nid=0x37a6ff waiting on condition  [0x00007f6290e9e000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b88993b8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-exec-10" #39 daemon prio=5 os_prio=0 cpu=0.48ms elapsed=485.22s
tid=0x00007f628c3da000 nid=0x37a700 waiting on condition  [0x00007f6290d9d000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b88993b8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1/LockSupport.java:234)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.1/AbstractQueuedSynchronizer.java:2123)
        at
java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.1/LinkedBlockingQueue.java:458)
        at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:97)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-ClientPoller-0" #40 daemon prio=5 os_prio=0 cpu=191.54ms
elapsed=485.22s tid=0x00007f628c3df000 nid=0x37a701 runnable 
[0x00007f6290c9c000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPoll.wait(java.base@11.0.1/Native Method)
        at
sun.nio.ch.EPollSelectorImpl.doSelect(java.base@11.0.1/EPollSelectorImpl.java:120)
        at
sun.nio.ch.SelectorImpl.lockAndDoSelect(java.base@11.0.1/SelectorImpl.java:124)
        - locked <0x00000000b889b930> (a sun.nio.ch.Util$2)
        - locked <0x00000000b889b7e0> (a sun.nio.ch.EPollSelectorImpl)
        at
sun.nio.ch.SelectorImpl.select(java.base@11.0.1/SelectorImpl.java:136)
        at
org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:744)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-ClientPoller-1" #41 daemon prio=5 os_prio=0 cpu=110.88ms
elapsed=485.22s tid=0x00007f628c3e4000 nid=0x37a702 runnable 
[0x00007f6290b9b000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPoll.wait(java.base@11.0.1/Native Method)
        at
sun.nio.ch.EPollSelectorImpl.doSelect(java.base@11.0.1/EPollSelectorImpl.java:120)
        at
sun.nio.ch.SelectorImpl.lockAndDoSelect(java.base@11.0.1/SelectorImpl.java:124)
        - locked <0x00000000b889c068> (a sun.nio.ch.Util$2)
        - locked <0x00000000b889bf18> (a sun.nio.ch.EPollSelectorImpl)
        at
sun.nio.ch.SelectorImpl.select(java.base@11.0.1/SelectorImpl.java:136)
        at
org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:744)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-Acceptor-0" #42 daemon prio=5 os_prio=0 cpu=0.19ms
elapsed=485.22s tid=0x00007f628c3e6000 nid=0x37a703 runnable 
[0x00007f6290a9a000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.ServerSocketChannelImpl.accept0(java.base@11.0.1/Native
Method)
        at
sun.nio.ch.ServerSocketChannelImpl.accept(java.base@11.0.1/ServerSocketChannelImpl.java:533)
        at
sun.nio.ch.ServerSocketChannelImpl.accept(java.base@11.0.1/ServerSocketChannelImpl.java:285)
        at
org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:448)
        at
org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:70)
        at org.apache.tomcat.util.net.Acceptor.run(Acceptor.java:95)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-exec-11" #44 daemon prio=5 os_prio=0 cpu=0.33ms elapsed=174.59s
tid=0x000000000228b000 nid=0x37ab22 waiting on condition  [0x00007f6290999000]
   java.lang.Thread.State: WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8848a78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.park(java.base@11.0.1/LockSupport.java:194)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@11.0.1/AbstractQueuedSynchronizer.java:2081)
        at
java.util.concurrent.LinkedBlockingQueue.take(java.base@11.0.1/LinkedBlockingQueue.java:433)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:103)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-exec-11" #45 daemon prio=5 os_prio=0 cpu=0.26ms elapsed=174.59s
tid=0x000000000228c000 nid=0x37ab23 waiting on condition  [0x00007f6290898000]
   java.lang.Thread.State: WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b88993b8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.park(java.base@11.0.1/LockSupport.java:194)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@11.0.1/AbstractQueuedSynchronizer.java:2081)
        at
java.util.concurrent.LinkedBlockingQueue.take(java.base@11.0.1/LinkedBlockingQueue.java:433)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:103)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-exec-12" #46 daemon prio=5 os_prio=0 cpu=0.68ms elapsed=114.59s
tid=0x000000000228f800 nid=0x37ab5d waiting on condition  [0x00007f62910a0000]
   java.lang.Thread.State: WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8848a78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.park(java.base@11.0.1/LockSupport.java:194)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@11.0.1/AbstractQueuedSynchronizer.java:2081)
        at
java.util.concurrent.LinkedBlockingQueue.take(java.base@11.0.1/LinkedBlockingQueue.java:433)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:103)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-exec-12" #47 daemon prio=5 os_prio=0 cpu=0.22ms elapsed=114.59s
tid=0x0000000002290800 nid=0x37ab5e waiting on condition  [0x00007f6291cac000]
   java.lang.Thread.State: WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b88993b8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.park(java.base@11.0.1/LockSupport.java:194)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@11.0.1/AbstractQueuedSynchronizer.java:2081)
        at
java.util.concurrent.LinkedBlockingQueue.take(java.base@11.0.1/LinkedBlockingQueue.java:433)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:103)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"http-nio-8082-exec-13" #48 daemon prio=5 os_prio=0 cpu=0.45ms elapsed=54.59s
tid=0x0000000002291800 nid=0x37ada9 waiting on condition  [0x00007f62914a4000]
   java.lang.Thread.State: WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b8848a78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.park(java.base@11.0.1/LockSupport.java:194)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@11.0.1/AbstractQueuedSynchronizer.java:2081)
        at
java.util.concurrent.LinkedBlockingQueue.take(java.base@11.0.1/LinkedBlockingQueue.java:433)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:103)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"ajp-nio-8009-exec-13" #49 daemon prio=5 os_prio=0 cpu=0.26ms elapsed=54.59s
tid=0x000000000230c800 nid=0x37adaa waiting on condition  [0x00007f6291dad000]
   java.lang.Thread.State: WAITING (parking)
        at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method)
        - parking to wait for  <0x00000000b88993b8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at
java.util.concurrent.locks.LockSupport.park(java.base@11.0.1/LockSupport.java:194)
        at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@11.0.1/AbstractQueuedSynchronizer.java:2081)
        at
java.util.concurrent.LinkedBlockingQueue.take(java.base@11.0.1/LinkedBlockingQueue.java:433)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:103)
        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:31)
        at
java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.1/ThreadPoolExecutor.java:1054)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1/ThreadPoolExecutor.java:1114)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1/ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(java.base@11.0.1/Thread.java:834)

"VM Thread" os_prio=0 cpu=279.93ms elapsed=489.65s tid=0x00000000021ef000
nid=0x37a6d7 runnable  

"GC Thread#0" os_prio=0 cpu=139.54ms elapsed=489.69s tid=0x0000000002123000
nid=0x37a6d2 runnable  

"GC Thread#1" os_prio=0 cpu=123.15ms elapsed=488.62s tid=0x0000000002574800
nid=0x37a6e3 runnable  

"G1 Main Marker" os_prio=0 cpu=3.29ms elapsed=489.69s tid=0x0000000002143800
nid=0x37a6d3 runnable  

"G1 Conc#0" os_prio=0 cpu=49.41ms elapsed=489.69s tid=0x0000000002145800
nid=0x37a6d4 runnable  

"G1 Refine#0" os_prio=0 cpu=11.20ms elapsed=489.69s tid=0x000000000218e000
nid=0x37a6d5 runnable  

"G1 Refine#1" os_prio=0 cpu=0.08ms elapsed=488.60s tid=0x0000000002380000
nid=0x37a6e4 runnable  

"G1 Young RemSet Sampling" os_prio=0 cpu=449.46ms elapsed=489.69s
tid=0x0000000002190000 nid=0x37a6d6 runnable  
"VM Periodic Task Thread" os_prio=0 cpu=1743.61ms elapsed=489.41s
tid=0x00007f62940b8000 nid=0x37a6e0 waiting on condition  

JNI global refs: 19, weak refs: 0

Heap
 garbage-first heap   total 107520K, used 22234K [0x00000000b2400000,
0x0000000100000000)
  region size 1024K, 15 young (15360K), 3 survivors (3072K)
 Metaspace       used 22200K, capacity 22728K, committed 22960K, reserved
1069056K
  class space    used 2286K, capacity 2520K, committed 2560K, reserved 1048576K

22-Jan-2019 08:46:03.627 INFO [main]
org.apache.catalina.core.StandardServer.await A valid shutdown command was
received via the shutdown port. Stopping the Server instance.
22-Jan-2019 08:46:03.629 INFO [main] org.apache.coyote.AbstractProtocol.pause
Pausing ProtocolHandler ["http-nio-8082"]
22-Jan-2019 08:46:03.657 INFO [main] org.apache.coyote.AbstractProtocol.pause
Pausing ProtocolHandler ["ajp-nio-8009"]
22-Jan-2019 08:46:03.667 INFO [main]
org.apache.catalina.core.StandardService.stopInternal Stopping service
[Catalina]
22-Jan-2019 08:46:03.670 SEVERE [Catalina-utility-1]
org.apache.catalina.startup.HostConfig.deployWARs Error waiting for
multi-thread deployment of WAR files to complete
 java.lang.InterruptedException
        at
java.base/java.util.concurrent.FutureTask.awaitDone(FutureTask.java:418)
        at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:190)
        at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:779)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:427)
        at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1621)
        at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:305)
        at
org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
        at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1149)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1351)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1355)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1333)
        at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.base/java.lang.Thread.run(Thread.java:834)

22-Jan-2019 08:46:03.678 INFO [Catalina-utility-1]
org.apache.catalina.startup.HostConfig.deployWAR Deploying web application
archive [/srv/t/apache-tomcat-9.0.14/webapps/Echo.war]
22-Jan-2019 08:46:03.678 INFO [Catalina-utility-1]
org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application
archive [/srv/t/apache-tomcat-9.0.14/webapps/Echo.war] has finished in [1] ms
22-Jan-2019 08:46:03.693 INFO [main] org.apache.coyote.AbstractProtocol.stop
Stopping ProtocolHandler ["http-nio-8082"]
22-Jan-2019 08:46:03.718 INFO [main] org.apache.coyote.AbstractProtocol.stop
Stopping ProtocolHandler ["ajp-nio-8009"]
22-Jan-2019 08:46:03.726 INFO [main] org.apache.coyote.AbstractProtocol.destroy
Destroying ProtocolHandler ["http-nio-8082"]
22-Jan-2019 08:46:03.730 INFO [main] org.apache.coyote.AbstractProtocol.destroy
Destroying ProtocolHandler ["ajp-nio-8009"]

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