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From "Hiram Chirino (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-2435) NullPointer Exception Occurs when using producer flow control
Date Thu, 01 Oct 2009 16:53:00 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hiram Chirino resolved AMQ-2435.
--------------------------------

    Resolution: Fixed

> NullPointer Exception Occurs when using producer flow control
> -------------------------------------------------------------
>
>                 Key: AMQ-2435
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2435
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>            Reporter: Hiram Chirino
>            Assignee: Hiram Chirino
>            Priority: Blocker
>             Fix For: 5.3.0
>
>
> Looks like there is a synchronization issue still with producer based flow control. 
Here is the stack trace of the problem:
> {code}
> Caused by: java.lang.NullPointerException
> 	at org.apache.activemq.broker.region.Queue.doMessageSend(Queue.java:533)
> 	at org.apache.activemq.broker.region.Queue$7.run(Queue.java:442)
> 	at org.apache.activemq.broker.region.Queue.iterate(Queue.java:1102)
> 	at org.apache.activemq.thread.DeterministicTaskRunner.runTask(DeterministicTaskRunner.java:84)
> 	at org.apache.activemq.thread.DeterministicTaskRunner$1.run(DeterministicTaskRunner.java:41)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:651)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:676)
> 	at java.lang.Thread.run(Thread.java:613)
> {code}

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