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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARTEMIS-1527) [Artemis Testsuite] ActiveMQMessageHandlerTest#testServerShutdownAndReconnect fails
Date Wed, 29 Nov 2017 08:47:00 GMT

    [ https://issues.apache.org/jira/browse/ARTEMIS-1527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270414#comment-16270414
] 

ASF GitHub Bot commented on ARTEMIS-1527:
-----------------------------------------

Github user JiriOndrusek commented on the issue:

    https://github.com/apache/activemq-artemis/pull/1676
  
    Thank you for your responses.
    
    @clebertsuconic you are right, with this change FailoverTest is failing
    
    I'll try to find solution for FailoverTest to succeed.
    (it will take me some time to debug and understand it)
    
    @clebertsuconic @mtaylor I'm opened to any suggestions, as there are a lot of aspects,
about which I don't know/understand. 


> [Artemis Testsuite] ActiveMQMessageHandlerTest#testServerShutdownAndReconnect fails
> -----------------------------------------------------------------------------------
>
>                 Key: ARTEMIS-1527
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-1527
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>    Affects Versions: 1.5.5
>            Reporter: Jiri Ondrusek
>
> {code}
> java.lang.AssertionError: null
> 	at org.junit.Assert.fail(Assert.java:86)
> 	at org.junit.Assert.assertTrue(Assert.java:41)
> 	at org.junit.Assert.assertTrue(Assert.java:52)
> 	at org.apache.activemq.artemis.tests.integration.ra.ActiveMQMessageHandlerTest.testServerShutdownAndReconnect(ActiveMQMessageHandlerTest.java:245)
> {code}
> Maximum size of clients global thread pool is computed as {{8 * Runtime.getRuntime().availableProcessors()}}.
In the case of CPU with one core, the thread pool has maximum size 8.
> The test fails because of following situation. When the server is stopped, all ClientSessionFactoryImpl
try to reconnect and they add executor to the thread pool which tries to reconnect ad anfinitum,
see \[1\]. These threads employ the whole thread pool and the rest is not able to work in
normal way. For example, I can see warnings \[2\].
> This situation is known as Starvation or Livelock \[3\]. I think that the system should
work properly even if the maximum size of thread pool will be 2.
> *Steps to reproduce:*
> Modify the test in the following way:
> {code}
> @Test
>    public void testServerShutdownAndReconnect() throws Exception {
>       ActiveMQClient.clearThreadPools();
>       ActiveMQClient.setGlobalThreadPoolProperties(2, 1);
>       ActiveMQResourceAdapter qResourceAdapter = newResourceAdapter();
>       ...
> {code}
> \[1\]
> {code}
> Thread[Signal Dispatcher,5,main]
>   com.ibm.misc.SignalDispatcher.waitForSignal(Native Method)
>   com.ibm.misc.SignalDispatcher.run(SignalDispatcher.java:73)
> Thread[Thread-4 (ActiveMQ-client-global-threads--90143455),5,ActiveMQ-client-global-threads--90143455]
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1048)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1339)
>   java.util.concurrent.CountDownLatch.await(CountDownLatch.java:288)
>   org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQClientProtocolManager.waitOnLatch(ActiveMQClientProtocolManager.java:134)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.getConnectionWithRetry(ClientSessionFactoryImpl.java:829)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.reconnectSessions(ClientSessionFactoryImpl.java:753)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:615)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:513)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$400(ClientSessionFactoryImpl.java:70)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1191)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:64)
>   org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:210)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:206)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$CloseRunnable.run(ClientSessionFactoryImpl.java:1014)
>   org.apache.activemq.artemis.utils.OrderedExecutorFactory$OrderedExecutor$ExecutorTask.run(OrderedExecutorFactory.java:100)
>   java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>   java.lang.Thread.run(Thread.java:785)
> Thread[Thread-5 (ActiveMQ-client-global-threads--90143455),5,ActiveMQ-client-global-threads--90143455]
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1048)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1339)
>   java.util.concurrent.CountDownLatch.await(CountDownLatch.java:288)
>   org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQClientProtocolManager.waitOnLatch(ActiveMQClientProtocolManager.java:134)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.getConnectionWithRetry(ClientSessionFactoryImpl.java:829)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.reconnectSessions(ClientSessionFactoryImpl.java:753)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:615)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:513)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$400(ClientSessionFactoryImpl.java:70)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1191)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:64)
>   org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:210)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:206)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$CloseRunnable.run(ClientSessionFactoryImpl.java:1014)
>   org.apache.activemq.artemis.utils.OrderedExecutorFactory$OrderedExecutor$ExecutorTask.run(OrderedExecutorFactory.java:100)
>   java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>   java.lang.Thread.run(Thread.java:785)
> Thread[JIT Compilation Thread-2 Suspended,10,system]
> Thread[JIT-SamplerThread,10,system]
> Thread[Attach API wait loop,10,main]
>   com.ibm.tools.attach.javaSE.IPC.waitSemaphore(Native Method)
>   com.ibm.tools.attach.javaSE.CommonDirectory.waitSemaphore(CommonDirectory.java:193)
>   com.ibm.tools.attach.javaSE.AttachHandler$WaitLoop.waitForNotification(AttachHandler.java:356)
>   com.ibm.tools.attach.javaSE.AttachHandler$WaitLoop.run(AttachHandler.java:444)
> Thread[main,5,main]
>   java.lang.Thread.getStackTraceImpl(Native Method)
>   java.lang.Thread.getStackTrace(Thread.java:1117)
>   java.lang.Thread.getAllStackTraces(Thread.java:1145)
>   org.apache.activemq.artemis.tests.integration.ra.ActiveMQMessageHandlerTest.testServerShutdownAndReconnect(ActiveMQMessageHandlerTest.java:250)
>   sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>   sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:95)
>   sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
>   java.lang.reflect.Method.invoke(Method.java:507)
>   org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
>   org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>   org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
>   org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>   org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
>   org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
>   org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
>   org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
>   org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
>   org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
>   org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
>   org.junit.rules.RunRules.evaluate(RunRules.java:20)
>   org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
>   org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
>   org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
>   org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
>   org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
>   org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
>   org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
>   org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
>   org.junit.runners.ParentRunner.run(ParentRunner.java:309)
>   org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:275)
>   org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)
>   org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:149)
>   org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)
>   org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
>   org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
>   org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
> Thread[Thread-2 (ActiveMQ-client-global-threads--90143455),5,ActiveMQ-client-global-threads--90143455]
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1048)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1339)
>   java.util.concurrent.CountDownLatch.await(CountDownLatch.java:288)
>   org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQClientProtocolManager.waitOnLatch(ActiveMQClientProtocolManager.java:134)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.getConnectionWithRetry(ClientSessionFactoryImpl.java:829)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.reconnectSessions(ClientSessionFactoryImpl.java:753)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:615)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:513)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$400(ClientSessionFactoryImpl.java:70)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1191)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:64)
>   org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:210)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:206)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$CloseRunnable.run(ClientSessionFactoryImpl.java:1014)
>   org.apache.activemq.artemis.utils.OrderedExecutorFactory$OrderedExecutor$ExecutorTask.run(OrderedExecutorFactory.java:100)
>   java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>   java.lang.Thread.run(Thread.java:785)
> Thread[Thread-1 (ActiveMQ-client-global-threads--90143455),5,ActiveMQ-client-global-threads--90143455]
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1048)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1339)
>   java.util.concurrent.CountDownLatch.await(CountDownLatch.java:288)
>   org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQClientProtocolManager.waitOnLatch(ActiveMQClientProtocolManager.java:134)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.getConnectionWithRetry(ClientSessionFactoryImpl.java:829)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.reconnectSessions(ClientSessionFactoryImpl.java:753)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:615)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:513)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$400(ClientSessionFactoryImpl.java:70)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1191)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:64)
>   org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:210)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:206)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$CloseRunnable.run(ClientSessionFactoryImpl.java:1014)
>   org.apache.activemq.artemis.utils.OrderedExecutorFactory$OrderedExecutor$ExecutorTask.run(OrderedExecutorFactory.java:100)
>   java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>   java.lang.Thread.run(Thread.java:785)
> Thread[JIT Diagnostic Compilation Thread-4 Suspended,10,system]
> Thread[Thread-6 (ActiveMQ-client-global-threads--90143455),5,ActiveMQ-client-global-threads--90143455]
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1048)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1339)
>   java.util.concurrent.CountDownLatch.await(CountDownLatch.java:288)
>   org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQClientProtocolManager.waitOnLatch(ActiveMQClientProtocolManager.java:134)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.getConnectionWithRetry(ClientSessionFactoryImpl.java:829)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.reconnectSessions(ClientSessionFactoryImpl.java:753)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:615)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:513)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$400(ClientSessionFactoryImpl.java:70)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1191)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:64)
>   org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:210)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:206)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$CloseRunnable.run(ClientSessionFactoryImpl.java:1014)
>   org.apache.activemq.artemis.utils.OrderedExecutorFactory$OrderedExecutor$ExecutorTask.run(OrderedExecutorFactory.java:100)
>   java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>   java.lang.Thread.run(Thread.java:785)
> Thread[Concurrent Mark Helper,1,system]
> Thread[JIT Compilation Thread-0,10,system]
> Thread[Thread-7 (ActiveMQ-client-global-threads--90143455),5,ActiveMQ-client-global-threads--90143455]
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1048)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1339)
>   java.util.concurrent.CountDownLatch.await(CountDownLatch.java:288)
>   org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQClientProtocolManager.waitOnLatch(ActiveMQClientProtocolManager.java:134)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.getConnectionWithRetry(ClientSessionFactoryImpl.java:829)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.reconnectSessions(ClientSessionFactoryImpl.java:753)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:615)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:513)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$400(ClientSessionFactoryImpl.java:70)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1191)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:64)
>   org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:210)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:206)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$CloseRunnable.run(ClientSessionFactoryImpl.java:1014)
>   org.apache.activemq.artemis.utils.OrderedExecutorFactory$OrderedExecutor$ExecutorTask.run(OrderedExecutorFactory.java:100)
>   java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>   java.lang.Thread.run(Thread.java:785)
> Thread[Finalizer thread,5,system]
> Thread[Thread-0 (ActiveMQ-client-global-threads--90143455),5,ActiveMQ-client-global-threads--90143455]
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1048)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1339)
>   java.util.concurrent.CountDownLatch.await(CountDownLatch.java:288)
>   org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQClientProtocolManager.waitOnLatch(ActiveMQClientProtocolManager.java:134)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.getConnectionWithRetry(ClientSessionFactoryImpl.java:829)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.reconnectSessions(ClientSessionFactoryImpl.java:753)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:615)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:513)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$400(ClientSessionFactoryImpl.java:70)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1191)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:64)
>   org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:210)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:206)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$CloseRunnable.run(ClientSessionFactoryImpl.java:1014)
>   org.apache.activemq.artemis.utils.OrderedExecutorFactory$OrderedExecutor$ExecutorTask.run(OrderedExecutorFactory.java:100)
>   java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>   java.lang.Thread.run(Thread.java:785)
> Thread[JIT Compilation Thread-1 Suspended,10,system]
> Thread[Thread-3 (ActiveMQ-client-global-threads--90143455),5,ActiveMQ-client-global-threads--90143455]
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1048)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1339)
>   java.util.concurrent.CountDownLatch.await(CountDownLatch.java:288)
>   org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQClientProtocolManager.waitOnLatch(ActiveMQClientProtocolManager.java:134)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.getConnectionWithRetry(ClientSessionFactoryImpl.java:829)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.reconnectSessions(ClientSessionFactoryImpl.java:753)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:615)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:513)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$400(ClientSessionFactoryImpl.java:70)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1191)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:64)
>   org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:210)
>   org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:206)
>   org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$CloseRunnable.run(ClientSessionFactoryImpl.java:1014)
>   org.apache.activemq.artemis.utils.OrderedExecutorFactory$OrderedExecutor$ExecutorTask.run(OrderedExecutorFactory.java:100)
>   java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>   java.lang.Thread.run(Thread.java:785)
> Thread[JIT Compilation Thread-3 Suspended,10,system]
> Thread[IProfiler,5,system]
> {code}
> \[2\]
> {code}
> 09:22:51,968 WARN  [org.apache.activemq.artemis.core.server] AMQ222072: Timed out flushing
channel on InVMConnection
> {code}
> \[3\] https://docs.oracle.com/javase/tutorial/essential/concurrency/starvelive.html



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