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From "wesley lin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-5322) Message is assigned to different client with the same JMSXGroupID
Date Thu, 14 Aug 2014 07:48:12 GMT
wesley lin created AMQ-5322:
-------------------------------

             Summary: Message is assigned to different client with the same JMSXGroupID
                 Key: AMQ-5322
                 URL: https://issues.apache.org/jira/browse/AMQ-5322
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.10.0, 5.9.1, 5.9.0
            Reporter: wesley lin


I discovered since AMQ 5.8, message could be sent to different consumer even with JMSXGroupID
is set.

Here is how to reproduce.
1. start 10 consumers to connect to server (consumer 1-10)
2. send 1025 messages with JMSXGroupID set from 0 - 1024 
3. add other 10 consumers to connect to server (consumer 11-20)
4. send several messages with JMSXGroup set from 0 - 1024

Now, you can observe consumers added lately ( 11 - 20 ) will also receive messages even JMSXGroupID
have been dispatched to first consumer group( 1 - 10).
 
note:  In step2 , there should have more than 1024 different kind of JMSXGroupID to reproduce
this bug.




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