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Posted to dev@activemq.apache.org by "Gary Tully (JIRA)" <ji...@apache.org> on 2010/10/08 12:48:40 UTC

[jira] Created: (AMQ-2966) Null messages occurring when using VM transport, topics and multiple consumers

Null messages occurring when using VM transport, topics and multiple consumers
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                 Key: AMQ-2966
                 URL: https://issues.apache.org/activemq/browse/AMQ-2966
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.4.1, 5.4.0
            Reporter: Gary Tully
            Assignee: Gary Tully
             Fix For: 5.5.0


introduced by fix for https://issues.apache.org/activemq/browse/AMQ-2103

contention on marshaling message received over vm transport for the first time causes potential null. With multiple topic consumers there is contention as the message has not been unmarshalled on dispatch to the topic due to the vm transport being used.
moving the set to null out of the beforeMarahallMessage removes the potential sync window that causes the problem. 

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[jira] Resolved: (AMQ-2966) Null messages occurring when using VM transport, topics and multiple consumers

Posted by "Gary Tully (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/activemq/browse/AMQ-2966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary Tully resolved AMQ-2966.
-----------------------------

    Resolution: Fixed

resolved in r1005773

> Null messages occurring when using VM transport, topics and multiple consumers
> ------------------------------------------------------------------------------
>
>                 Key: AMQ-2966
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2966
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.4.0, 5.4.1
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>             Fix For: 5.5.0
>
>
> introduced by fix for https://issues.apache.org/activemq/browse/AMQ-2103
> contention on marshaling message received over vm transport for the first time causes potential null. With multiple topic consumers there is contention as the message has not been unmarshalled on dispatch to the topic due to the vm transport being used.
> moving the set to null out of the beforeMarahallMessage removes the potential sync window that causes the problem. 

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