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From "Stan Lewis (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-3622) NPE in LastImageSubscriptionRecoveryPolicy
Date Tue, 06 Dec 2011 15:17:40 GMT
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


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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