[jboss-jira] [JBoss JIRA] Closed: (JBESB-270) JMSQueueListener doesn't manage Thread creation for the ActionProcessingPipeline i.e. can be flooded with messages

[Tom Fennelly (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBESB-270?page=all ]

Tom Fennelly closed JBESB-270.
------------------------------

    Resolution: Done

Fair enough Kev - closed :-)

So do we have throttling of thread creation via a Threadpool or something?

> JMSQueueListener doesn't manage Thread creation for the ActionProcessingPipeline i.e. can be flooded with messages
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBESB-270
>                 URL: http://jira.jboss.com/jira/browse/JBESB-270
>             Project: JBoss ESB
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Rosetta
>    Affects Versions: 4.0 CR1
>            Reporter: Tom Fennelly
>         Assigned To: Kevin Conner
>             Fix For: 5.0
>
>
> This listener receives messages from a JMS queue and spawns a new thread for the ActionProcessingPipeline instance that is created to process the message.  If you hammer this listener with messages (e.g 20 concurrent threads continually pumping messages into the in queue), you'll kill the process through running out of threads to process the messages.
> The listener should manage the Threads.  Use of a Threadpool would probably take care of this for you i.e. can probably get the pool to block while waiting for a free thread to be returned to the pool.

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