[jboss-jira] [JBoss JIRA] Commented: (JBMESSAGING-1456) Messages stuck in being-delivered state in cluster

[Jay Howell (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBMESSAGING-1456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12438789#action_12438789 ] 

Jay Howell commented on JBMESSAGING-1456:
-----------------------------------------

In order to run the test client, you need to run...

"java -Xms256m -Xmx256m -jar TestClient.jar conf/spring-contexts/testClientConnectivityContext.xml"



> Messages stuck in being-delivered state in cluster
> --------------------------------------------------
>
>                 Key: JBMESSAGING-1456
>                 URL: https://jira.jboss.org/jira/browse/JBMESSAGING-1456
>             Project: JBoss Messaging
>          Issue Type: Bug
>    Affects Versions: 1.4.0.SP3_CP03
>            Reporter: Justin Bertram
>            Assignee: Tim Fox
>            Priority: Critical
>         Attachments: kill3_thread_dump.txt, thread_dump.txt
>
>
> Messages become "stuck" in being-delivered state when clients use a clustered XA connection factory in a cluster of at least 2 nodes.
> JBoss setup:
>   -2 nodes of JBoss EAP 4.3 CP02
>   -commented out "ClusterPullConnectionFactory" in messaging-service.xml to prevent message redistribution and eliminate the "message suckers" as the potential culprit
>   -MySQL backend using the default mysql-persistence-service.xml (from <JBOSS_HOME>/docs/examples/jms)
> Client setup:
>   -both nodes have a client which is a separate process (i.e. not inside JBoss)
>   -clients are Spring based
>   -one client produces and consumes, the other client just consumes
>   -both clients use the ClusteredXAConnectionFactory from the default connection-factories-service.xml
>   -both clients publish to and consume from "queue/testDistributedQueue"
>   -clients are configured to send persistent messages, use AUTO_ACKNOWLEDGE, and transacted sessions
> Symptoms of the issue:
>   -when running the clients I watch the JMX-Console for the "queue/testDistributedQueue"
>   -as the consumers pull messages off the queue I can see the MessageCount and DeliveringCount go to 0 every so often
>   -after a period of time (usually a few hours) the MessageCount and DeliveringCount never go back to 0
>   -I "kill" the clients and wait for the DeliveringCount to go to 0, but it never does
>   -after the clients are killed the ConsumerCount for the queue will drop, but never to 0 when messages are "stuck"
>   -a thread dump reveals at least one JBM server session that is apparently stuck (it never goes away) - ostensibly this is the consumer that is showing in the JMX-Console for "queue/testDistributedQueue"
>   -a "killall -3 java" doesn't produce anything from the clients so I know their dead
>   -nothing is in any DLQ or expiry queue
>   -the database contains as many rows in the JBM_MSG and JBM_MSG_REF tables as the DeliveringCount in the JMX-Console
>   -rebooting the node with the stuck messages frees the messages to be consumed (i.e. un-sticks them)
> Other notes:
>   -nothing else is happening on either node but running the client and running JBoss
>   -this only appears to happen when a clustered connection factory is used.  I tested using a normal connection factory and after 24 hours couldn't reproduce a stuck message.

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