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Posted to dev@activemq.apache.org by "Michael Wong (JIRA)" <ji...@apache.org> on 2014/11/14 18:41:34 UTC

[jira] [Updated] (AMQ-5426) ActiveMQMessageConsumer race condition

     [ https://issues.apache.org/jira/browse/AMQ-5426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Wong updated AMQ-5426:
------------------------------
    Description: 
ActiveMQMessageConsumer could run into NPE when the session/connection is closing.

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)

  was:
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)


> 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 when the session/connection is closing.
> 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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