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  1. JBoss Enterprise Application Platform
  2. JBEAP-8210

Server shutdown gets stuck when SSL is used for native-interface or remote inbound connections

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    • Regression, Blocks Testing
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      1) Prepare keystore and truststore for SSL and simple properties file for authentication (i.e. for user admin=password)
      2) Add following to standalone.xml configuration:
      Add security realm:

        <security-realm name="sslSecurityRealm">
    <server-identities>
      <ssl>
        <keystore path="PATH_TO_KEYSTORE" alias="alias" keystore-password="password"/>
      </ssl>
    </server-identities>
    <authentication>
      <properties path="PATH_TO_PROPERTIES_FILE" plain-text="true"/>
    </authentication>
  </security-realm>

      Add native interface:

        <native-interface security-realm="sslSecurityRealm">
    <socket-binding native="native"/>
  </native-interface>

      Add socket binding to "standard-sockets" socket-binding-group:

      <socket-binding port="9999" name="native"/>

      3) Configure jboss-cli.xml to use native interface and SSL with created truststore
      4) Start application server and execute following CLI:

      ./jboss-cli.sh -c --controller=127.0.0.1:9999 --user=admin --password=password ':whoami'

      5) Try to stop server (through ctrl+c or through shutdown CLI command). It intermittently gets stuck.

      Show
      1) Prepare keystore and truststore for SSL and simple properties file for authentication (i.e. for user admin=password) 2) Add following to standalone.xml configuration: Add security realm: <security-realm name= "sslSecurityRealm" > <server-identities> <ssl> <keystore path= "PATH_TO_KEYSTORE" alias= "alias" keystore-password= "password" /> </ssl> </server-identities> <authentication> <properties path= "PATH_TO_PROPERTIES_FILE" plain-text= " true " /> </authentication> </security-realm> Add native interface: < native - interface security-realm= "sslSecurityRealm" > <socket-binding native = " native " /> </ native - interface > Add socket binding to "standard-sockets" socket-binding-group: <socket-binding port= "9999" name= " native " /> 3) Configure jboss-cli.xml to use native interface and SSL with created truststore 4) Start application server and execute following CLI: ./jboss-cli.sh -c --controller=127.0.0.1:9999 --user=admin --password=password ':whoami' 5) Try to stop server (through ctrl+c or through shutdown CLI command). It intermittently gets stuck.

      In case when SSL is used for native-interface and at least one call is made for that interface (e.g. through Management CLI) then shutdown of application server intermittently gets stuck. Then application server process cannot be killed through simple kill command, kill -9 has to be used. It happens for legacy SSL as well as Elytron SSL. It get stuck ~ 3 times from 10 shutdowns. See Step for Reproduce for more details.

      We reported as blocker since:

      • application server is intermittently not able to be stopped
      • it is regression between EAP 7.0.0.GA and EAP 7.1.0

      Output of jstack for application server process after it gets stuck during shutdown:

      Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.66-b17 mixed mode):

"Attach Listener" #128 daemon prio=9 os_prio=0 tid=0x00007ff710001800 nid=0x173e waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Thread-2" #11 prio=5 os_prio=0 tid=0x00007ff74c1ee800 nid=0x1711 waiting on condition [0x00007ff6b47ba000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f68311d0> (a java.util.concurrent.CountDownLatch$Sync)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
	at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
	at org.jboss.as.server.BootstrapImpl$ShutdownHook.shutdown(BootstrapImpl.java:267)
	at org.jboss.as.server.BootstrapImpl$ShutdownHook.run(BootstrapImpl.java:236)

"SIGINT handler" #127 daemon prio=9 os_prio=0 tid=0x00007ff710003800 nid=0x170e in Object.wait() [0x00007ff6b4abd000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000fa15d390> (a org.jboss.as.server.BootstrapImpl$ShutdownHook)
	at java.lang.Thread.join(Thread.java:1245)
	- locked <0x00000000fa15d390> (a org.jboss.as.server.BootstrapImpl$ShutdownHook)
	at java.lang.Thread.join(Thread.java:1319)
	at java.lang.ApplicationShutdownHooks.runHooks(ApplicationShutdownHooks.java:106)
	at java.lang.ApplicationShutdownHooks$1.run(ApplicationShutdownHooks.java:46)
	at java.lang.Shutdown.runHooks(Shutdown.java:123)
	at java.lang.Shutdown.sequence(Shutdown.java:167)
	at java.lang.Shutdown.exit(Shutdown.java:212)
	- locked <0x00000000f9ea39e0> (a java.lang.Class for java.lang.Shutdown)
	at java.lang.Terminator$1.handle(Terminator.java:52)
	at sun.misc.Signal$1.run(Signal.java:212)
	at java.lang.Thread.run(Thread.java:745)

"management task-9" #126 prio=5 os_prio=0 tid=0x00007ff74c1ea000 nid=0x1709 waiting on condition [0x00007ff6b4bbe000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ead164a0> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"management task-8" #125 prio=5 os_prio=0 tid=0x00007ff74c2e2000 nid=0x1707 waiting on condition [0x00007ff6b4cbf000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ead164a0> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"management task-7" #123 prio=5 os_prio=0 tid=0x00007ff74c2e0000 nid=0x1704 waiting on condition [0x00007ff6b4ec1000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ead164a0> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"management task-6" #121 prio=5 os_prio=0 tid=0x00007ff74c2de800 nid=0x1701 waiting on condition [0x00007ff6b50c3000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ead164a0> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"management task-5" #119 prio=5 os_prio=0 tid=0x00007ff74c2dd000 nid=0x16fe waiting on condition [0x00007ff6b52c5000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ead164a0> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"management task-4" #117 prio=5 os_prio=0 tid=0x00007ff74c248800 nid=0x16fb waiting on condition [0x00007ff6b54c7000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ead164a0> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"management task-3" #116 prio=5 os_prio=0 tid=0x00007ff74c24b000 nid=0x16fa waiting on condition [0x00007ff6b55c8000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ead164a0> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"management task-2" #115 prio=5 os_prio=0 tid=0x00007ff74c243000 nid=0x16f8 waiting on condition [0x00007ff6b58c9000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ead164a0> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"management task-1" #114 prio=5 os_prio=0 tid=0x00007ff74c242000 nid=0x16f6 waiting on condition [0x00007ff72db0c000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ead164a0> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"SecurityDomain ThreadGroup - 1" #113 prio=5 os_prio=0 tid=0x00007ff74c24c000 nid=0x16f5 waiting on condition [0x00007ff6b5ccd000]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f16ba540> (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)
	at org.jboss.threads.JBossThread.run(JBossThread.java:320)

"Transaction Reaper Worker 0" #105 daemon prio=5 os_prio=0 tid=0x00007ff6e01a6000 nid=0x16d0 in Object.wait() [0x00007ff6b6bc3000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000ec155598> (a java.util.LinkedList)
	at java.lang.Object.wait(Object.java:502)
	at com.arjuna.ats.arjuna.coordinator.TransactionReaper.waitForCancellations(TransactionReaper.java:328)
	- locked <0x00000000ec155598> (a java.util.LinkedList)
	at com.arjuna.ats.internal.arjuna.coordinator.ReaperWorkerThread.run(ReaperWorkerThread.java:65)

"Transaction Reaper" #104 daemon prio=5 os_prio=0 tid=0x00007ff6e01a5000 nid=0x16cf in Object.wait() [0x00007ff6b6cc4000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000ec151eb0> (a com.arjuna.ats.arjuna.coordinator.TransactionReaper)
	at com.arjuna.ats.internal.arjuna.coordinator.ReaperThread.run(ReaperThread.java:90)
	- locked <0x00000000ec151eb0> (a com.arjuna.ats.arjuna.coordinator.TransactionReaper)

"Remoting (anonymous) Accept" #78 daemon prio=5 os_prio=0 tid=0x00007ff6e4100800 nid=0x16bc runnable [0x00007ff6bcaaf000]
   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:79)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
	- locked <0x00000000eb009578> (a sun.nio.ch.Util$2)
	- locked <0x00000000eb009568> (a java.util.Collections$UnmodifiableSet)
	- locked <0x00000000eb009450> (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:515)

"Remoting (anonymous) I/O-1" #73 daemon prio=5 os_prio=0 tid=0x00007ff6e40fd800 nid=0x16bb runnable [0x00007ff6bcbb0000]
   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:79)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
	- locked <0x00000000eaff89e0> (a sun.nio.ch.Util$2)
	- locked <0x00000000eaff89d0> (a java.util.Collections$UnmodifiableSet)
	- locked <0x00000000eaff88b8> (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:515)

"management Accept" #60 prio=5 os_prio=0 tid=0x00007ff6e80d1000 nid=0x16a5 runnable [0x00007ff6be3c6000]
   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:79)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
	- locked <0x00000000ead46cd8> (a sun.nio.ch.Util$2)
	- locked <0x00000000ead46cc8> (a java.util.Collections$UnmodifiableSet)
	- locked <0x00000000ead46bb0> (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:515)

"management I/O-2" #59 prio=5 os_prio=0 tid=0x00007ff6e80cf800 nid=0x16a4 runnable [0x00007ff6be4c7000]
   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:79)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
	- locked <0x00000000ead361a0> (a sun.nio.ch.Util$2)
	- locked <0x00000000ead36190> (a java.util.Collections$UnmodifiableSet)
	- locked <0x00000000ead36078> (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:515)

"management I/O-1" #57 prio=5 os_prio=0 tid=0x00007ff6e80cd800 nid=0x16a3 runnable [0x00007ff6be5c8000]
   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:79)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
	- locked <0x00000000ead253c8> (a sun.nio.ch.Util$2)
	- locked <0x00000000ead253b8> (a java.util.Collections$UnmodifiableSet)
	- locked <0x00000000ead252a0> (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:515)

"DestroyJavaVM" #23 prio=5 os_prio=0 tid=0x00007ff74c00b000 nid=0x1667 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"ServerDeploymentRepository-temp-threads - 1" #21 daemon prio=5 os_prio=0 tid=0x00007ff6fc01c000 nid=0x167f waiting on condition [0x00007ff72e00d000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f9990eb8> (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: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)
	at org.jboss.threads.JBossThread.run(JBossThread.java:320)

"MSC service thread 1-8" #20 prio=5 os_prio=0 tid=0x00007ff6e0003000 nid=0x167e waiting on condition [0x00007ff72e10e000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f9991660> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"MSC service thread 1-7" #19 prio=5 os_prio=0 tid=0x00007ff6e0001000 nid=0x167d waiting on condition [0x00007ff72e20f000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f9991660> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"MSC service thread 1-6" #18 prio=5 os_prio=0 tid=0x00007ff6ec001000 nid=0x167c waiting on condition [0x00007ff72e310000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f9991660> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"MSC service thread 1-5" #17 prio=5 os_prio=0 tid=0x00007ff74c8c2000 nid=0x167b waiting on condition [0x00007ff72e411000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f9991660> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"MSC service thread 1-4" #16 prio=5 os_prio=0 tid=0x00007ff6f4001800 nid=0x167a waiting on condition [0x00007ff72e512000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f9991660> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"MSC service thread 1-3" #15 prio=5 os_prio=0 tid=0x00007ff6f0001800 nid=0x1679 waiting on condition [0x00007ff72e613000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f9991660> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"MSC service thread 1-2" #14 prio=5 os_prio=0 tid=0x00007ff6fc002000 nid=0x1678 waiting on condition [0x00007ff72e714000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f9991660> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"MSC service thread 1-1" #13 prio=5 os_prio=0 tid=0x00007ff74c870000 nid=0x1677 waiting on condition [0x00007ff72e815000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000f9991660> (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.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
	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)

"Reference Reaper" #9 daemon prio=5 os_prio=0 tid=0x00007ff74c26a800 nid=0x1675 in Object.wait() [0x00007ff72fefd000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000f9659788> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
	- locked <0x00000000f9659788> (a java.lang.ref.ReferenceQueue$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=0x00007ff74c194000 nid=0x1673 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C1 CompilerThread2" #7 daemon prio=9 os_prio=0 tid=0x00007ff74c186800 nid=0x1672 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread1" #6 daemon prio=9 os_prio=0 tid=0x00007ff74c184800 nid=0x1671 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread0" #5 daemon prio=9 os_prio=0 tid=0x00007ff74c182000 nid=0x1670 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Signal Dispatcher" #4 daemon prio=9 os_prio=0 tid=0x00007ff74c180000 nid=0x166f runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Finalizer" #3 daemon prio=8 os_prio=0 tid=0x00007ff74c147800 nid=0x166e in Object.wait() [0x00007ff734d34000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000f9a81078> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
	- locked <0x00000000f9a81078> (a java.lang.ref.ReferenceQueue$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=0x00007ff74c145800 nid=0x166d in Object.wait() [0x00007ff734e35000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000f9a81290> (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 <0x00000000f9a81290> (a java.lang.ref.Reference$Lock)

"VM Thread" os_prio=0 tid=0x00007ff74c140800 nid=0x166c runnable 

"GC task thread#0 (ParallelGC)" os_prio=0 tid=0x00007ff74c020800 nid=0x1668 runnable 

"GC task thread#1 (ParallelGC)" os_prio=0 tid=0x00007ff74c022000 nid=0x1669 runnable 

"GC task thread#2 (ParallelGC)" os_prio=0 tid=0x00007ff74c024000 nid=0x166a runnable 

"GC task thread#3 (ParallelGC)" os_prio=0 tid=0x00007ff74c025800 nid=0x166b runnable 

"VM Periodic Task Thread" os_prio=0 tid=0x00007ff74c197000 nid=0x1674 waiting on condition 

JNI global references: 1251

              kwills@redhat.com Ken Wills
              olukas Ondrej Lukas (Inactive)
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                Created:
                Updated:
                Resolved: