IBM MQ deadlock on shutdown --------------------------- Key: JBJCA-1352 URL: https://issues.jboss.org/browse/JBJCA-1352 Project: IronJacamar Issue Type: Bug Components: AS Affects Versions: WildFly/IronJacamar 1.4.2.Final Environment: JBoss EAP 7.0.4 Reporter: Doug Grove Assignee: Flavia Rainone Sporadically, on shut down, IBM MQ and JBoss will deadlock. This does not occur on EAP 6. The Deadlocking threads are [1] ~~~ ServerService Thread Pool -- 63" #183 prio=5 os_prio=0 tid=0x00000000021ef800 nid=0x50e2 waiting for monitor entry [0x00007fef8451a000] java.lang.Thread.State: BLOCKED (on object monitor) at com.ibm.mq.connector.outbound.ConnectionEventHandler.removeListener(ConnectionEventHandler.java:93) - waiting to lock <0x000000009be01318> (a com.ibm.mq.connector.outbound.ConnectionEventHandler) at com.ibm.mq.connector.outbound.ManagedConnectionImpl.removeConnectionEventListener(ManagedConnectionImpl.java:434) at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreConcurrentLinkedDequeManagedConnectionPool.doDestroy(SemaphoreConcurrentLinkedDequeManagedConnectionPool.java:1376) at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreConcurrentLinkedDequeManagedConnectionPool.flush(SemaphoreConcurrentLinkedDequeManagedConnectionPool.java:882) at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreConcurrentLinkedDequeManagedConnectionPool.shutdown(SemaphoreConcurrentLinkedDequeManagedConnectionPool.java:1065) at org.jboss.jca.core.connectionmanager.pool.AbstractPool.shutdown(AbstractPool.java:930) - locked < 0x000000008d09b340> (a org.jboss.jca.core.connectionmanager.pool.strategy.OnePool) at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.shutdown(AbstractConnectionManager.java:285) - locked < 0x000000008d09b2e0> (a org.jboss.jca.core.connectionmanager.notx.NoTxConnectionManagerImpl) at org.jboss.as.connector.services.resourceadapters.deployment.AbstractResourceAdapterDeploymentService.unregisterAll(AbstractResourceAdapterDeploymentService.java:192) at org.jboss.as.connector.services.resourceadapters.deployment.AbstractResourceAdapterDeploymentService$3.run(AbstractResourceAdapterDeploymentService.java:346) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at org.jboss.threads.JBossThread.run(JBossThread.java:320) ~~~ [2] ~~~ "DefaultMessageListenerContainer-2" #162 prio=5 os_prio=0 tid=0x0000000001d7a800 nid=0x46bf waiting for monitor entry [0x00007fef70a7d000] java.lang.Thread.State: BLOCKED (on object monitor) at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.shutdown(AbstractConnectionManager.java:281) - waiting to lock <0x000000008d09b2e0> (a org.jboss.jca.core.connectionmanager.notx.NoTxConnectionManagerImpl) at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.returnManagedConnection(AbstractConnectionManager.java:724) at org.jboss.jca.core.connectionmanager.listener.NoTxConnectionListener.connectionClosed(NoTxConnectionListener.java:93) at com.ibm.mq.connector.outbound.ConnectionEventHandler.fireEvent(ConnectionEventHandler.java:135) - locked < 0x000000009be01318> (a com.ibm.mq.connector.outbound.ConnectionEventHandler) at com.ibm.mq.connector.outbound.ManagedConnectionImpl.fireConnectionClosed(ManagedConnectionImpl.java:784) at com.ibm.mq.connector.outbound.ConnectionWrapper.close(ConnectionWrapper.java:337) at org.springframework.jms.connection.ConnectionFactoryUtils.releaseConnection(ConnectionFactoryUtils.java:80) at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:358) 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:745)