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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-1126) The Resource Adapter ignores the JMSXGroupID when dispatching to MDBs
Date Wed, 19 Sep 2012 12:46:08 GMT

    [ https://issues.apache.org/jira/browse/AMQ-1126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13458651#comment-13458651
] 

Claus Ibsen commented on AMQ-1126:
----------------------------------

Anyone care to try with the 5.6.0 or 5.7-SNAPSHOT release (5.7 is on the way soon). 

Would be nice to know the status of this in the latest release. If its still an issue we can
put it on the roadmap to get fixed.
                
> The Resource Adapter ignores the JMSXGroupID when dispatching to MDBs
> ---------------------------------------------------------------------
>
>                 Key: AMQ-1126
>                 URL: https://issues.apache.org/jira/browse/AMQ-1126
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: JCA Container
>    Affects Versions: 4.0.1
>         Environment: Java 1.4.2_08
> JBoss 4.0.4
> ActiveMQ 4.0.1
>            Reporter: John Robinson
>             Fix For: NEEDS_REVIEWED
>
>         Attachments: msg-group-test.zip
>
>
> Integrate AMQ into JBoss using the data source, and resource adapter.  Create an outbound
queue and an MDB with a pool size of 100.  Dispatch several messages to the outbound queue,
setting the JMSXGroupID property on the message to be the same value each time.  In the MDB's
onMessage method print out the MDBs toString (don't override toString) and you should see
something that looks like:
> OutQueueProcessorBean@19a7266
> Observe two things:
> a) Many messages are processed in parallel
> b) Many different values will occur after the @ in the above message, denoting that more
than on MDB instance is being handed messages.
> The correct behavior would be to dispatch messages with the same group id to the same
MDB instance in sequence.  This would allow messages from different groups to be processed
in parallel, but messages in any one group would be processed serially, in the order in which
they were placed into the queue.

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