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From "Gary Tully (Assigned) (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (AMQ-3622) NPE in LastImageSubscriptionRecoveryPolicy
Date Wed, 07 Dec 2011 17:00:41 GMT

     [ https://issues.apache.org/jira/browse/AMQ-3622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully reassigned AMQ-3622:
-------------------------------

    Assignee: Gary Tully
    
> 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
>         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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