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From WhiteSock <whitesock1...@hotmail.com>
Subject Async error occurred java.lang.NullPointerException
Date Thu, 11 Dec 2008 07:46:30 GMT

Hi all, 

    I got the following error in activemq.log, ActiveMQ's version is 5.2.0.
Do you have any idea?
   
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)

Cheers.
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