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From "Jingqi Xu (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-2043) Async error occurred: java.lang.NullPointerException
Date Thu, 25 Dec 2008 06:49:05 GMT
Async error occurred: java.lang.NullPointerException
----------------------------------------------------

                 Key: AMQ-2043
                 URL: https://issues.apache.org/activemq/browse/AMQ-2043
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.2.0
         Environment: ActiveMQ 5.2
            Reporter: Jingqi Xu


I got the following error in activemq.log, ActiveMQ's version is 5.2.0.  I found that this
kind of exception usually occurs during the reconnection
   
2008-12-10 21:44:04,485 [.15.2.125:47814] ERROR Service                        - Async error
occurred: java.lang.NullPointerException
java.lang.NullPointerException
        at org.apache.activemq.broker.region.TopicSubscription.acknowledge(TopicSubscription.java:221)
        at org.apache.activemq.broker.region.AbstractRegion.acknowledge(AbstractRegion.java:373)
        at org.apache.activemq.broker.region.RegionBroker.acknowledge(RegionBroker.java:462)
        at org.apache.activemq.broker.TransactionBroker.acknowledge(TransactionBroker.java:194)
        at org.apache.activemq.broker.BrokerFilter.acknowledge(BrokerFilter.java:74)
        at org.apache.activemq.broker.BrokerFilter.acknowledge(BrokerFilter.java:74)
        at org.apache.activemq.broker.MutableBrokerFilter.acknowledge(MutableBrokerFilter.java:85)
        at org.apache.activemq.broker.TransportConnection.processMessageAck(TransportConnection.java:456)
        at org.apache.activemq.command.MessageAck.visit(MessageAck.java:205)
        at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:305)
        at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:179)
        at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:68)
        at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:143)
        at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:206)
        at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:84)
        at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:203)
        at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:185)
        at java.lang.Thread.run(Thread.java:619) 

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