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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-3495) Active MQ 5.4.2 - Message stuck due to connection hung for amq client
Date Fri, 16 Sep 2011 15:58:08 GMT

    [ https://issues.apache.org/jira/browse/AMQ-3495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13106548#comment-13106548
] 

Gary Tully commented on AMQ-3495:
---------------------------------

on unix, 'kill -3' or use jpid, the output appears on the console or with jpid (jdk tool)
you have more options. google is your friend here.

> Active MQ 5.4.2 - Message stuck due to connection hung for amq client
> ---------------------------------------------------------------------
>
>                 Key: AMQ-3495
>                 URL: https://issues.apache.org/jira/browse/AMQ-3495
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.4.2
>         Environment: RedHat Linux 2.6.18-194.11.1.el5
> AMQ 5.4.2
> WebSphere Application Server 7.0
>            Reporter: Rahul Shinge
>            Priority: Blocker
>
> Hi - Here is high level overview of response flow using Active MQ
> Destination System JMS Client -> AMQ Response Queue -> Firewall -> Source System
JMS Client
> Firewall timeout = 30 min
> Current volume = approx 6400 messages/day -- 400 messages/10 min 
> Source system JMS (WebSphere) client is connected to AMQ Broker using JMS API and AMQ
5.4.2 libraries. We are experiencing intermittent issue in PRODUCTION -- Source system client
connection gets hung and requires restart to process pending message on queue. At this point
we are not able to reproduce this issue at will but it occurs in PRODUCTION intermittently.
> Here is tracing from Websphere client which shows org.apache.activemq.ActiveMQSession.commit
was called but didn't succeed.
>  at sun.misc.Unsafe.park(Native Method)                                  
>  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:173)    
>  at java.util.concurrent.locks.AbstractQueuedSynchronizer                
>     $ConditionObject.await(AbstractQueuedSynchronizer.java:1937)         
>  at java.util.concurrent.ArrayBlockingQueue.take                         
>     (ArrayBlockingQueue.java:329)                                        
>  at org.apache.activemq.transport.FutureResponse.getResult               
>     (FutureResponse.java:40)                                             
>  at org.apache.activemq.transport.ResponseCorrelator.request             
>     (ResponseCorrelator.java:87)                                         
>  at org.apache.activemq.ActiveMQConnection.syncSendPacket                
>     (ActiveMQConnection.java:1276)                                       
>  at org.apache.activemq.TransactionContext                               
>     .syncSendPacketWithInterruptionHandling(TransactionContext.java:704) 
>  at org.apache.activemq.TransactionContext.commit                        
>     (TransactionContext.java:299)                                        
>  at org.apache.activemq.ActiveMQSession.commit(ActiveMQSession.java:560) 
>  at com.ibm.ejs.jms.JMSManagedSession$JMSLocalTransaction.commit         
>     (JMSManagedSession.java:1203)                                        
>  at com.ibm.ejs.j2c.LocalTransactionWrapper.commit                       
>     (LocalTransactionWrapper.java:263)                                   
>  at com.ibm.tx.jta.OnePhaseResourceImpl.commit_one_phase                 
>     (OnePhaseResourceImpl.java:140)                                      
>  at com.ibm.tx.jta.RegisteredResources.flowCommitOnePhase                
>     (RegisteredResources.java:2297)                                      
>  at com.ibm.tx.jta.RegisteredResources.commitLastAgent                   
>     (RegisteredResources.java:3067)                                      
>  at com.ibm.tx.jta.TransactionImpl.prepareResources                      
>     (TransactionImpl.java:1463)                                          
>  at com.ibm.ws.tx.jta.TransactionImpl.stage1CommitProcessing             
>     (TransactionImpl.java:514)                                           
>  at com.ibm.tx.jta.TransactionImpl.processCommit                         
>     (TransactionImpl.java:978)                                           
>  at com.ibm.tx.jta.TransactionImpl.commit(TransactionImpl.java:913)      
>  at com.ibm.ws.tx.jta.TranManagerImpl.commit(TranManagerImpl.java:377)   
>  at com.ibm.tx.jta.TranManagerSet.commit(TranManagerSet.java:161)        
>  at com.ibm.ejs.csi.TranStrategy.commit(TranStrategy.java:927)           
>  at com.ibm.ejs.csi.TranStrategy.postInvoke(TranStrategy.java:230)       
>  at com.ibm.ejs.csi.TransactionControlImpl.postInvoke                    
>     (TransactionControlImpl.java:570)                                    
>  at com.ibm.ejs.csi.UOWControlImpl.postInvoke(UOWControlImpl.java:384)   
>  at com.ibm.ejs.container.EJSContainer.postInvoke                        
>     (EJSContainer.java:4558)                                             
>  at com.ibm.ejs.container.MDBWrapper.onMessage(MDBWrapper.java:111)      
>  at com.ibm.ejs.container.MDBWrapper.onMessage(MDBWrapper.java:136)      
>  at com.ibm.ejs.jms.listener.MDBWrapper.onMessage(MDBWrapper.java:242)   
>  at org.apache.activemq.ActiveMQSession.run(ActiveMQSession.java:833)    
>  at com.ibm.ejs.jms.JMSSessionHandle.run(JMSSessionHandle.java:979)      
>  at com.ibm.ejs.jms.listener.ServerSession.connectionConsumerOnMessage   
>     (ServerSession.java:1064)                                            
>  at com.ibm.ejs.jms.listener.ServerSession.run(ServerSession.java:560)   
>  at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1550) 
> Please let me know if you have seen this issue and need additional information.
> Regards,
> Rahul

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