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From "Rob Davies (JIRA)" <>
Subject [jira] Assigned: (AMQ-1769) ActiveMQ broker in JBoss hangs when receiving > 25k messages
Date Thu, 05 Jun 2008 14:01:00 GMT


Rob Davies reassigned AMQ-1769:

    Assignee: Rob Davies

> ActiveMQ broker in JBoss hangs when receiving > 25k messages
> ------------------------------------------------------------
>                 Key: AMQ-1769
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.1.0
>         Environment: RHEL 5 AMD64, Sun JDK 1.5.0_14, ActiveMQ 5.1.0 running in JBoss
>            Reporter: Aaron Riekenberg
>            Assignee: Rob Davies
>            Priority: Blocker
>         Attachments: dump.txt,,
> Wrote a Java program to send 100000 TextMessage's to a JMS queue.  An EJB3 MDB in JBoss
is listening to the queue and does a System.out.println when messages are received.
> After ~25k messages are processed by the MDB, the following message is printed to the
screen, and messages stop being processed by the MDB:
> 16:57:33,391 INFO  [KahaStore] Kaha Store using data directory activemq-data/jboss.activemq/tmp_storage
> It appears activemq is hanging just after the "KahaStore" message is output.  No such
problems have been observed using JBossMQ.
> Attached is the output of kill -3 <pid of jboss> showing stack traces of all threads
just after the hang happens (dump.txt), the client program that sends lots of messages (,
and the MDB (

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