Hello,

Some time ago I faced a deadlock in the connection/failover code in the
Artemis client (ver. 2.9.0) under load.
Could you please give me any ideas on how to resolve this issue?

The client is a spring application that receives and sends JMS messages to
the broker.

Here are relevant thread dumps with insignificant parts omitted:

The first one is with apparent deadlock.
---
Found one Java-level deadlock:
=============================
"EventActionMessageContainer-8":
  waiting to lock monitor 0x00007f0698094228 (object 0x00000006594e8680, a
java.lang.Object),
  which is held by "EventActionMessageContainer-4"
"EventActionMessageContainer-4":
  waiting for ownable synchronizer 0x00000006597cf738, (a
java.util.concurrent.locks.ReentrantLock$NonfairSync),
  which is held by "Thread-0 (ActiveMQ-client-global-threads)"
"Thread-0 (ActiveMQ-client-global-threads)":
  waiting for ownable synchronizer 0x00000006594e8620, (a
java.util.concurrent.locks.ReentrantLock$NonfairSync),
  which is held by "EventActionMessageContainer-4"

Java stack information for the threads listed above:
===================================================
"EventActionMessageContainer-8":
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:396)
- waiting to lock <0x00000006594e8680> (a java.lang.Object)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:358)
at
org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQSessionContext.sessionClose(ActiveMQSessionContext.java:619)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionImpl.close(ClientSessionImpl.java:1311)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.closeCleanSessions(ClientSessionFactoryImpl.java:445)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.interruptConnectAndCloseAllSessions(ClientSessionFactoryImpl.java:427)
- locked <0x00000006597cf718> (a java.lang.Object)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.close(ClientSessionFactoryImpl.java:460)
at
org.apache.activemq.artemis.jms.client.ActiveMQConnection.close(ActiveMQConnection.java:356)
- locked <0x0000000659380dc0> (a
org.apache.activemq.artemis.jms.client.ActiveMQConnection)
at
org.springframework.jms.connection.ConnectionFactoryUtils.releaseConnection(ConnectionFactoryUtils.java:80)
at
org.springframework.jms.listener.AbstractJmsListeningContainer.refreshSharedConnection(AbstractJmsListeningContainer.java:395)
- locked <0x00000006593a0b28> (a java.lang.Object)
at
org.springframework.jms.listener.DefaultMessageListenerContainer.refreshConnectionUntilSuccessful(DefaultMessageListenerContainer.java:925)
at
org.springframework.jms.listener.DefaultMessageListenerContainer.recoverAfterListenerSetupFailure(DefaultMessageListenerContainer.java:899)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:1077)
- locked <0x0000000659659158> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:748)
"EventActionMessageContainer-4":
at sun.misc.Unsafe.park(Native Method)
- parking to wait for  <0x00000006597cf738> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:837)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:872)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1202)
at
java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:213)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.lockFailover(ClientSessionFactoryImpl.java:233)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:543)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:507)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$600(ClientSessionFactoryImpl.java:73)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1222)
at
org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:75)
at
org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:219)
at
org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:218)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:455)
- locked <0x00000006594e8680> (a java.lang.Object)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:358)
at
org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQSessionContext.createConsumer(ActiveMQSessionContext.java:394)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionImpl.internalCreateConsumer(ClientSessionImpl.java:1963)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionImpl.createConsumer(ClientSessionImpl.java:859)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionImpl.createConsumer(ClientSessionImpl.java:807)
at
org.apache.activemq.artemis.jms.client.ActiveMQSession.createClientConsumer(ActiveMQSession.java:921)
at
org.apache.activemq.artemis.jms.client.ActiveMQSession.createConsumer(ActiveMQSession.java:816)
at
org.apache.activemq.artemis.jms.client.ActiveMQSession.createConsumer(ActiveMQSession.java:462)
at
org.apache.activemq.artemis.jms.client.ActiveMQSession.createConsumer(ActiveMQSession.java:440)
at
org.springframework.jms.listener.AbstractMessageListenerContainer.createConsumer(AbstractMessageListenerContainer.java:881)
at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.createListenerConsumer(AbstractPollingMessageListenerContainer.java:215)
at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:299)
at
core.server.jms.BackGroundClusterNodeListenerContainer.doReceiveAndExecute(BackGroundClusterNodeListenerContainer.java:80)
at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:255)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1166)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1158)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:1055)
at java.lang.Thread.run(Thread.java:748)
"Thread-0 (ActiveMQ-client-global-threads)":
at sun.misc.Unsafe.park(Native Method)
- parking to wait for  <0x00000006594e8620> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:837)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:872)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1202)
at
java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:213)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.lock(ChannelImpl.java:603)
at
org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQSessionContext.lockCommunications(ActiveMQSessionContext.java:255)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionImpl.preHandleFailover(ClientSessionImpl.java:1348)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.reconnectSessions(ClientSessionFactoryImpl.java:744)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:617)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:507)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:500)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$100(ClientSessionFactoryImpl.java:73)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$1.run(ClientSessionFactoryImpl.java:363)
at
org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:42)
at
org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:31)
at
org.apache.activemq.artemis.utils.actors.ProcessorBase.executePendingTasks(ProcessorBase.java:66)
at
org.apache.activemq.artemis.utils.actors.ProcessorBase$$Lambda$420/42633625.run(Unknown
Source)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at
org.apache.activemq.artemis.utils.ActiveMQThreadFactory$1.run(ActiveMQThreadFactory.java:118)

Found 1 deadlock.
---

Another one with no obvious deadlock (due to the asynchronous nature of the
client), but stuck nonetheless.
---
"ExecScriptAction #27" #27 daemon prio=5 os_prio=0 tid=0x00007fb468725000
nid=0x7f0c0 in Object.wait() [0x00007fb3d77a2000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at
io.netty.util.concurrent.DefaultPromise.awaitUninterruptibly(DefaultPromise.java:243)
- locked <0x00000007930f3268> (a
io.netty.bootstrap.AbstractBootstrap$PendingRegistrationPromise)
at
io.netty.channel.DefaultChannelPromise.awaitUninterruptibly(DefaultChannelPromise.java:137)
at
io.netty.channel.DefaultChannelPromise.awaitUninterruptibly(DefaultChannelPromise.java:30)
at
org.apache.activemq.artemis.core.remoting.impl.netty.NettyConnector.createConnection(NettyConnector.java:778)
at
org.apache.activemq.artemis.core.remoting.impl.netty.NettyConnector.createConnection(NettyConnector.java:740)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.openTransportConnection(ClientSessionFactoryImpl.java:1051)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.createTransportConnection(ClientSessionFactoryImpl.java:1100)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.establishNewConnection(ClientSessionFactoryImpl.java:1311)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.getConnection(ClientSessionFactoryImpl.java:906)
- locked <0x00000007930ef8e0> (a java.lang.Object)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.getConnectionWithRetry(ClientSessionFactoryImpl.java:802)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.connect(ClientSessionFactoryImpl.java:241)
at
org.apache.activemq.artemis.core.client.impl.ServerLocatorImpl.createSessionFactory(ServerLocatorImpl.java:780)
- locked <0x000000064aa73d58> (a
org.apache.activemq.artemis.core.client.impl.ServerLocatorImpl)
at
org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory.createConnectionInternal(ActiveMQConnectionFactory.java:844)
- locked <0x000000064aa73d20> (a
org.apache.activemq.artemis.jms.client.ActiveMQJMSConnectionFactory)
at
org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory.createConnection(ActiveMQConnectionFactory.java:282)
at
org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory.createConnection(ActiveMQConnectionFactory.java:277)
at
org.springframework.jms.support.JmsAccessor.createConnection(JmsAccessor.java:180)
at org.springframework.jms.core.JmsTemplate.access$600(JmsTemplate.java:90)
at
org.springframework.jms.core.JmsTemplate$JmsTemplateResourceFactory.createConnection(JmsTemplate.java:1177)
at
org.springframework.jms.connection.ConnectionFactoryUtils.doGetTransactionalSession(ConnectionFactoryUtils.java:312)
at org.springframework.jms.core.JmsTemplate.execute(JmsTemplate.java:471)
at org.springframework.jms.core.JmsTemplate.send(JmsTemplate.java:570)
...

    Locked ownable synchronizers:
- <0x0000000793657308> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
- <0x0000000793665888> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
- <0x00000006400b51e0> (a java.util.concurrent.ThreadPoolExecutor$Worker)

"EventActionMessageContainer-7" #275 prio=5 os_prio=0
tid=0x00007fb394a0d800 nid=0x7fbac waiting for monitor entry
[0x00007fb33a4b9000]
   java.lang.Thread.State: BLOCKED (on object monitor)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:397)
- waiting to lock <0x000000065cd70a80> (a java.lang.Object)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:358)
at
org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQSessionContext.sessionClose(ActiveMQSessionContext.java:619)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionImpl.close(ClientSessionImpl.java:1311)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.closeCleanSessions(ClientSessionFactoryImpl.java:445)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.interruptConnectAndCloseAllSessions(ClientSessionFactoryImpl.java:427)
- locked <0x000000065ced93d8> (a java.lang.Object)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.close(ClientSessionFactoryImpl.java:460)
at
org.apache.activemq.artemis.jms.client.ActiveMQConnection.close(ActiveMQConnection.java:356)
- locked <0x000000065c838aa8> (a
org.apache.activemq.artemis.jms.client.ActiveMQConnection)
at
org.springframework.jms.connection.ConnectionFactoryUtils.releaseConnection(ConnectionFactoryUtils.java:80)
at
org.springframework.jms.listener.AbstractJmsListeningContainer.refreshSharedConnection(AbstractJmsListeningContainer.java:395)
- locked <0x000000065c8f32b8> (a java.lang.Object)
at
org.springframework.jms.listener.DefaultMessageListenerContainer.refreshConnectionUntilSuccessful(DefaultMessageListenerContainer.java:925)
at
org.springframework.jms.listener.DefaultMessageListenerContainer.recoverAfterListenerSetupFailure(DefaultMessageListenerContainer.java:899)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:1077)
- locked <0x000000065c8f4610> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:748)

   Locked ownable synchronizers:
- None

"Reports (Complete)-1" #292 prio=5 os_prio=0 tid=0x00007fb395a68000
nid=0x7fbd3 waiting for monitor entry [0x00007fb3392a6000]
   java.lang.Thread.State: BLOCKED (on object monitor)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:396)
- waiting to lock <0x0000000794a5c028> (a java.lang.Object)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:358)
at
org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQSessionContext.sessionStop(ActiveMQSessionContext.java:473)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionImpl.stop(ClientSessionImpl.java:1096)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionImpl.stop(ClientSessionImpl.java:1085)
at
org.apache.activemq.artemis.jms.client.ActiveMQSession.stop(ActiveMQSession.java:1214)
at
org.apache.activemq.artemis.jms.client.ActiveMQConnection.stop(ActiveMQConnection.java:341)
- locked <0x000000065d080678> (a
org.apache.activemq.artemis.jms.client.ActiveMQConnection)
at
org.springframework.jms.connection.SingleConnectionFactory$SharedConnectionInvocationHandler.localStop(SingleConnectionFactory.java:644)
- locked <0x0000000794a61f20> (a java.lang.Object)
at
org.springframework.jms.connection.SingleConnectionFactory$SharedConnectionInvocationHandler.invoke(SingleConnectionFactory.java:577)
at com.sun.proxy.$Proxy311.close(Unknown Source)
at
org.springframework.jms.connection.ConnectionFactoryUtils.releaseConnection(ConnectionFactoryUtils.java:80)
at
org.springframework.jms.connection.JmsResourceHolder.closeAll(JmsResourceHolder.java:232)
at
org.springframework.jms.connection.ConnectionFactoryUtils$JmsResourceSynchronization.releaseResource(ConnectionFactoryUtils.java:430)
at
org.springframework.jms.connection.ConnectionFactoryUtils$JmsResourceSynchronization.releaseResource(ConnectionFactoryUtils.java:404)
at
org.springframework.transaction.support.ResourceHolderSynchronization.beforeCompletion(ResourceHolderSynchronization.java:77)
at
org.springframework.transaction.support.TransactionSynchronizationUtils.triggerBeforeCompletion(TransactionSynchronizationUtils.java:106)
at
org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerBeforeCompletion(AbstractPlatformTransactionManager.java:945)
at
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:745)
at
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:730)
at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:249)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1166)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1158)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:1055)
at java.lang.Thread.run(Thread.java:748)

   Locked ownable synchronizers:
- None

"EventActionMessageContainer-8" #276 prio=5 os_prio=0
tid=0x00007fb394a0f000 nid=0x7fbad in Object.wait() [0x00007fb33a3b7000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at
io.netty.util.concurrent.DefaultPromise.awaitUninterruptibly(DefaultPromise.java:243)
- locked <0x0000000794af23a0> (a
io.netty.channel.group.DefaultChannelGroupFuture)
at
io.netty.channel.group.DefaultChannelGroupFuture.awaitUninterruptibly(DefaultChannelGroupFuture.java:183)
at
io.netty.channel.group.DefaultChannelGroupFuture.awaitUninterruptibly(DefaultChannelGroupFuture.java:40)
at
org.apache.activemq.artemis.core.remoting.impl.netty.NettyConnector.close(NettyConnector.java:718)
- locked <0x000000065c8b5678> (a
org.apache.activemq.artemis.core.remoting.impl.netty.NettyConnector)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:607)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:507)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$600(ClientSessionFactoryImpl.java:73)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1222)
at
org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:75)
at
org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:219)
at
org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:218)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:455)
- locked <0x000000065cd70a80> (a java.lang.Object)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:358)
at
org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQSessionContext.closeConsumer(ActiveMQSessionContext.java:433)
at
org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl.doCleanUp(ClientConsumerImpl.java:1113)
at
org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl.close(ClientConsumerImpl.java:462)
at
org.apache.activemq.artemis.jms.client.ActiveMQMessageConsumer.close(ActiveMQMessageConsumer.java:145)
at
org.springframework.jms.support.JmsUtils.closeMessageConsumer(JmsUtils.java:151)
at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:356)
at
core.server.jms.BackGroundClusterNodeListenerContainer.doReceiveAndExecute(BackGroundClusterNodeListenerContainer.java:80)
at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:255)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1166)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1158)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:1055)
at java.lang.Thread.run(Thread.java:748)

   Locked ownable synchronizers:
- <0x000000065cd70a20> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
- <0x000000065ced93f8> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)

"Reports (Complete)-3" #294 prio=5 os_prio=0 tid=0x00007fb395a6b000
nid=0x7fbd5 in Object.wait() [0x00007fb3390a4000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at
io.netty.util.concurrent.DefaultPromise.awaitUninterruptibly(DefaultPromise.java:243)
- locked <0x0000000796e9a460> (a
io.netty.channel.group.DefaultChannelGroupFuture)
at
io.netty.channel.group.DefaultChannelGroupFuture.awaitUninterruptibly(DefaultChannelGroupFuture.java:183)
at
io.netty.channel.group.DefaultChannelGroupFuture.awaitUninterruptibly(DefaultChannelGroupFuture.java:40)
at
org.apache.activemq.artemis.core.remoting.impl.netty.NettyConnector.close(NettyConnector.java:718)
- locked <0x000000065d080e98> (a
org.apache.activemq.artemis.core.remoting.impl.netty.NettyConnector)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.failoverOrReconnect(ClientSessionFactoryImpl.java:607)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.handleConnectionFailure(ClientSessionFactoryImpl.java:507)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl.access$600(ClientSessionFactoryImpl.java:73)
at
org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl$DelegatingFailureListener.connectionFailed(ClientSessionFactoryImpl.java:1222)
at
org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.callFailureListeners(AbstractRemotingConnection.java:75)
at
org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.fail(RemotingConnectionImpl.java:219)
at
org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.fail(AbstractRemotingConnection.java:218)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:455)
- locked <0x0000000794a5c028> (a java.lang.Object)
at
org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:358)
at
org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQSessionContext.closeConsumer(ActiveMQSessionContext.java:433)
at
org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl.doCleanUp(ClientConsumerImpl.java:1113)
at
org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl.close(ClientConsumerImpl.java:462)
at
org.apache.activemq.artemis.jms.client.ActiveMQMessageConsumer.close(ActiveMQMessageConsumer.java:145)
at
org.springframework.jms.support.JmsUtils.closeMessageConsumer(JmsUtils.java:151)
at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:356)
at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:235)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1166)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1158)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:1055)
at java.lang.Thread.run(Thread.java:748)

   Locked ownable synchronizers:
- <0x0000000794a5bfc8> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
- <0x000000065d0cf390> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)


---

Now about configuration.

Message sending is done via JmsTemplates. They're configured like this:
---
final JmsTemplate jmsTemplate = new JmsTemplate(connectionFactory);
jmsTemplate.setSessionTransacted(true);
jmsTemplate.setSessionAcknowledgeMode(Session.AUTO_ACKNOWLEDGE);
jmsTemplate.setExplicitQosEnabled(true);
jmsTemplate.setPriority(Jms.DEFAULT_PRIORITY);
jmsTemplate.setReceiveTimeout(1000);
---

Message receiving is implemented with multiple ListenerContainers.
One group of containers configured like that:
---
DefaultMessageListenerContainer container = new
BackGroundClusterNodeListenerContainer(args);
container.setConnectionFactory(connectionFactory);
container.setCacheLevel(2);
container.setReceiveTimeout(1500);
container.setDestinationName(destinationName);
container.setConcurrency("8-8");
container.setBeanName(containerID);
container.setAutoStartup(true);
container.setMessageListener(messageListener);
container.setSessionTransacted(false);
container.setSessionAcknowledgeMode(AUTO_ACKNOWLEDGE);
---

Another one is like that:
---
DefaultMessageListenerContainer container = new
DefaultMessageListenerContainer();
container.setDestinationName(destinationName);
container.setConnectionFactory(connectionFactory);
container.setConcurrentConsumers(3)
container.setSessionAcknowledgeMode(101)
container.setCacheLevel(modules.reportBuilderHelper.MESSAGE_LISTENER_CACHE_LEVEL)
container.setExceptionListener(t ->
{
    Throwable rootCause = ExceptionUtils.getRootCause(t);
    LOG.error("An error occured in listener for " + destination, rootCause);
});
container.afterPropertiesSet();
container.start();
---

Connection factory for the first two cases is created like that:
---
final Map<String, Object> nettyParams = new HashMap<>(2);
nettyParams.put("host", host);
nettyParams.put("port", port);
nettyParams.put(TransportConstants.NETTY_CONNECT_TIMEOUT, 60000);
nettyParams.put(TransportConstants.REMOTING_THREADS_PROPNAME, 4);
ActiveMQConnectionFactory connectionFactory =
ActiveMQJMSClient.createConnectionFactoryWithoutHA(JMSFactoryType.CF,
        new TransportConfiguration(NettyConnectorFactory.class.getName(),
nettyParams))

---

Connection factory for the last case is created like that (Groovy code):
---
def nettyParams = ["host" : host, "port" : port];
def connectionFactory =
ActiveMQJMSClient.createConnectionFactoryWithoutHA(JMSFactoryType.CF, new
TransportConfiguration(NettyConnectorFactory.class.getName(), nettyParams));
def serverLocator = connectionFactory.getServerLocator()
serverLocator.setConnectionTTL(-1)
serverLocator.setReconnectAttempts(-1)
serverLocator.setRetryInterval(1000)
serverLocator.setRetryIntervalMultiplier(1)
---

BackGroundClusterNodeListenerContainer - is an extension of a
DefaultMessageListenerContainer with overridden doReceiveAndExecute. The
overridden method does some quick checks and returns false if they don't
hold, otherwise delegates to the super.

Both a client and a broker are on the same laptop.

Any chance there is something I can do to overcome it?

--
Oleg Kleshchev

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