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From "ying (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-2248) PrefetchSubscription NullPointerException
Date Tue, 12 May 2009 20:14:50 GMT
PrefetchSubscription NullPointerException
-----------------------------------------

                 Key: AMQ-2248
                 URL: https://issues.apache.org/activemq/browse/AMQ-2248
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.2.0
         Environment: Solaris 10 trunk version 771718
            Reporter: ying


After Master/Slave pair runs for about 5 days. I get one error on the slave. I haven't found
the root cause so more investigation is needed.

2009-05-12 15:10:08,827 [ActiveMQ Connection Dispatcher: vm://mb01#6] ERROR org.apache.activemq.broker.ft.MasterBroker
- Slave Failed java.lang.NullPointerException
	at org.apache.activemq.broker.region.PrefetchSubscription.processMessageDispatchNotification(PrefetchSubscription.java:167)
	at org.apache.activemq.broker.region.Queue.processDispatchNotification(Queue.java:1467)
	at org.apache.activemq.broker.region.AbstractRegion.processDispatchNotificationViaDestination(AbstractRegion.java:440)
	at org.apache.activemq.broker.region.QueueRegion.processDispatchNotification(QueueRegion.java:77)
	at org.apache.activemq.broker.region.RegionBroker.processDispatchNotification(RegionBroker.java:586)
	at org.apache.activemq.broker.BrokerFilter.processDispatchNotification(BrokerFilter.java:202)
	at org.apache.activemq.broker.BrokerFilter.processDispatchNotification(BrokerFilter.java:202)
	at org.apache.activemq.broker.BrokerFilter.processDispatchNotification(BrokerFilter.java:202)
	at org.apache.activemq.broker.MutableBrokerFilter.processDispatchNotification(MutableBrokerFilter.java:209)
	at org.apache.activemq.broker.TransportConnection.processMessageDispatchNotification(TransportConnection.java:483)
	at org.apache.activemq.command.MessageDispatchNotification.visit(MessageDispatchNotification.java:77)
	at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:320)
	at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:185)
	at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:104)
	at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:68)
	at org.apache.activemq.transport.vm.VMTransport.iterate(VMTransport.java:204)
	at org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98)
	at org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)


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