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From "Matthew Vincent (JIRA)" <>
Subject [jira] Created: (AMQ-1283) Messages aren't being delivered in a clustered environment
Date Fri, 15 Jun 2007 02:17:33 GMT
Messages aren't being delivered in a clustered environment

                 Key: AMQ-1283
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 4.1.1
         Environment: Java 1.5.0_04, Windows XP
            Reporter: Matthew Vincent

Messages aren't always delivered in a clustered environment.

If you have a cluster of three ActiveMQ nodes, and you send the cluster a constant stream
of messages, and randomly restart individual ActiveMQ nodes, you can enter a state whereby
an ActiveMQ node has undelivered messages sitting in the message store. These messages will
not be delivered, unless that ActiveMQ node is restarted.

This appears to be a consequence of the fact that a Queue immediately dispatches a message
received to any available subscribers, but ignores any exceptions that result from the actual

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