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From "Torsten Mielke (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-3375) stomp consumer might not receive all msgs of a queue
Date Thu, 23 Jun 2011 10:08:47 GMT
stomp consumer might not receive all msgs of a queue
----------------------------------------------------

                 Key: AMQ-3375
                 URL: https://issues.apache.org/jira/browse/AMQ-3375
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.5.0
         Environment: stomp consumer on virtual destination 
Tested on Ubuntu 10.10 and MacOSX using java 6.
            Reporter: Torsten Mielke
         Attachments: stomp-testcase.tgz

Have a testcase that connects a Java stomp consumer to a virtual destination queue and consumes
a fixed amount of msgs.
During the test I noticed that the consumer does not always receive the full amount of msgs.
Instead the receive times out although JMX QueueSize property is greater than 0. However when
trying to browse the queue using JMX, it returns null, despite the fact that not all msgs
got dequeued yet (dispatch and dequeue counter < enqueue counter).

So far I reproduced this with a stomp producer/consumer only. The producer writes msgs to
a virtual topic VirtualTopic.Foo and the consumer takes msgs off the Consumer.A.VirtualTopic.Foo
queue. Using JMX I noticed all msgs got moved from the virtual topic to the queue (reflected
by JMX enqueue counter) but not all msgs got consumed.

So it seems the broker lost some msgs on the way. 

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