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From "Aaron Riekenberg (JIRA)" <>
Subject [jira] Created: (AMQ-1769) ActiveMQ broker in JBoss hangs when receiving > 25k messages
Date Wed, 04 Jun 2008 22:11:00 GMT
ActiveMQ broker in JBoss hangs when receiving > 25k messages

                 Key: AMQ-1769
             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 4.2.2
            Reporter: Aaron Riekenberg
            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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