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https://issues.apache.org/jira/browse/ARTEMIS-383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Bertram resolved ARTEMIS-383.
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Resolution: Won't Fix
Assignee: Justin Bertram
The code in question is in a try/catch block which will take care of any NPE.
> Possible method call on null object in QueueImpl class
> ------------------------------------------------------
>
> Key: ARTEMIS-383
> URL: https://issues.apache.org/jira/browse/ARTEMIS-383
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Reporter: Martin Styk
> Assignee: Justin Bertram
> Priority: Minor
>
> Static code analysis tool discovered possible issue in class QueueImpl.
> Following is affected part of code, starting on line number 2461 in method
> {code:java}
> public void postAcknowledge(final MessageReference ref)
> {code}
>
> {code:java}
> boolean durableRef = message != null && message.isDurable() &&
> queue.durable; \\line 2461
>
> try {
> message.decrementRefCount();
> \\line 2464
> }
> catch (Exception e) {
> ActiveMQServerLogger.LOGGER.errorDecrementingRefCount(e);
> }
> {code}
> Line 2461 contains check for null message. That implies that message might be
> null. In following try block, line 2464 message contains method call on this
> message object.
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