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From "Kevan Miller (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-2781) NullPointerException during createDurableSubscriber()
Date Wed, 16 Jun 2010 14:43:51 GMT
NullPointerException during createDurableSubscriber()
-----------------------------------------------------

                 Key: AMQ-2781
                 URL: https://issues.apache.org/activemq/browse/AMQ-2781
             Project: ActiveMQ
          Issue Type: Bug
    Affects Versions: 5.4.0
            Reporter: Kevan Miller
             Fix For: 5.4.0


During testing, ran into the following NullPointerException:

06-15-2010 21:06:44:  ERROR: javax.jms.JMSException: java.lang.NullPointerException
	at org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:49)
	at org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1286)
	at org.apache.activemq.ActiveMQSession.syncSendPacket(ActiveMQSession.java:1873)
	at org.apache.activemq.ActiveMQMessageConsumer.(ActiveMQMessageConsumer.java:249)
	at org.apache.activemq.ActiveMQTopicSubscriber.(ActiveMQTopicSubscriber.java:117)
	at org.apache.activemq.ActiveMQSession.createDurableSubscriber(ActiveMQSession.java:1275)
	at org.apache.activemq.ActiveMQSession.createDurableSubscriber(ActiveMQSession.java:1220)
	at org.apache.activemq.ra.ManagedSessionProxy.createDurableSubscriber(ManagedSessionProxy.java:175)
	at org.apache.activemq.ActiveMQTopicSession.createDurableSubscriber(ActiveMQTopicSession.java:147)
        ...
Caused by: java.lang.NullPointerException
	at org.apache.activemq.broker.region.Topic.deleteSubscription(Topic.java:168)
	at org.apache.activemq.broker.region.TopicRegion.addConsumer(TopicRegion.java:86)
	at org.apache.activemq.broker.region.RegionBroker.addConsumer(RegionBroker.java:407)
	at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
	at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
	at org.apache.activemq.advisory.AdvisoryBroker.addConsumer(AdvisoryBroker.java:91)
	at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
	at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
	at org.apache.activemq.broker.MutableBrokerFilter.addConsumer(MutableBrokerFilter.java:95)
	at org.apache.activemq.broker.TransportConnection.processAddConsumer(TransportConnection.java:543)
	at org.apache.activemq.command.ConsumerInfo.visit(ConsumerInfo.java:349)
	at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:306)
	at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:182)
	at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:69)
	at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)
	at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:217)
	at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
	at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:219)
	at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:201)
	at java.lang.Thread.run(Thread.java:619)

Fix seems pretty straightforward.

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