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From "Michael Wong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-5426) ActiveMQMessageConsumer race condition
Date Fri, 07 Nov 2014 01:13:34 GMT
Michael Wong created AMQ-5426:
---------------------------------

             Summary: ActiveMQMessageConsumer race condition
                 Key: AMQ-5426
                 URL: https://issues.apache.org/jira/browse/AMQ-5426
             Project: ActiveMQ
          Issue Type: Bug
          Components: JMS client
    Affects Versions: 5.8.0
            Reporter: Michael Wong
            Priority: Minor


ActiveMQMessageConsumer could run into NPE in some occasion.

Here is the stacktrace:
java.lang.NullPointerException
at org.apache.activemq.ActiveMQMessageConsumer.ackLater(ActiveMQMessageConsumer.java:979)
at org.apache.activemq.ActiveMQMessageConsumer.afterMessageIsConsumed(ActiveMQMessageConsumer.java:929)
at org.apache.activemq.ActiveMQMessageConsumer.dispatch(ActiveMQMessageConsumer.java:1323)
at org.apache.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionExecutor.java:131)
at org.apache.activemq.ActiveMQSessionExecutor.iterate(ActiveMQSessionExecutor.java:202)
at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:129)
at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:47)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)



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