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https://issues.apache.org/jira/browse/AMQ-3622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gary Tully resolved AMQ-3622.
-----------------------------
Resolution: Fixed
Fix Version/s: 5.6.0
patch and test applied with thanks.
http://svn.apache.org/viewvc?rev=1211568&view=rev
> NPE in LastImageSubscriptionRecoveryPolicy
> ------------------------------------------
>
> Key: AMQ-3622
> URL: https://issues.apache.org/jira/browse/AMQ-3622
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.5.1
> Reporter: Stan Lewis
> Assignee: Gary Tully
> Fix For: 5.6.0
>
> Attachments: 0001-Avoid-NPE.patch, 0002-Add-test-for-AMQ-3622.patch
>
>
> Start up a subscriber when no messages are available and this NPE will
> eventually get logged:
> 2011-12-02 15:01:00,588 | WARN | Failed to browse Topic: xxx |
> org.apache.activemq.broker.region.Topic | ActiveMQ Broker[xxx] Scheduler
> java.lang.NullPointerException
> at
> org.apache.activemq.broker.region.policy.LastImageSubscriptionRecoveryPolicy.browse(LastImageSubscriptionRecoveryPolicy.java:63)
> at org.apache.activemq.broker.region.Topic.browse(Topic.java:564)
> at org.apache.activemq.broker.region.Topic$6.run(Topic.java:659)
> at
> org.apache.activemq.thread.SchedulerTimerTask.run(SchedulerTimerTask.java:33)
> at java.util.TimerThread.mainLoop(Timer.java:512)
> at java.util.TimerThread.run(Timer.java:462)
> repeatedly every 30 seconds or so until a message is sent to the topic.
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