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From "lernen.2007" <erpolat.er...@googlemail.com>
Subject NullPointer Exception
Date Thu, 14 Apr 2011 10:55:26 GMT
Sometimes we see the following exception in activemq log:

javax.jms.InvalidClientIDException: Broker: jdbcBroker - Client:
NC_localhost_outbound already connected from /91.87.217.72:5814
        at
org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:243)
        at
org.apache.activemq.broker.BrokerFilter.addConnection(BrokerFilter.java:85)
        at
org.apache.activemq.advisory.AdvisoryBroker.addConnection(AdvisoryBroker.java:66)
        at
org.apache.activemq.broker.BrokerFilter.addConnection(BrokerFilter.java:85)
        at
org.apache.activemq.broker.BrokerFilter.addConnection(BrokerFilter.java:85)
        at
org.apache.activemq.broker.MutableBrokerFilter.addConnection(MutableBrokerFilter.java:91)
        at
org.apache.activemq.broker.TransportConnection.processAddConnection(TransportConnection.java:692)
        at
org.apache.activemq.broker.jmx.ManagedTransportConnection.processAddConnection(ManagedTransportConnection.java:83)
        at
org.apache.activemq.command.ConnectionInfo.visit(ConnectionInfo.java:137)
        at
org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:306)
        at
org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:179)
        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:227)
        at
org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
        at
org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:220)
        at
org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:202)
        at java.lang.Thread.run(Thread.java:662)
2011-04-14 04:43:04,680 | WARN  | Async error occurred:
java.lang.NullPointerException |
org.apache.activemq.broker.TransportConnection.Service | ActiveMQ Transport:
tcp:///92.88.218.68:10333
java.lang.NullPointerException
        at
org.apache.activemq.broker.TransportConnection.processAddProducer(TransportConnection.java:500)
        at
org.apache.activemq.command.ProducerInfo.visit(ProducerInfo.java:105)
        at
org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:306)
        at
org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:179)
        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:227)
        at
org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
        at
org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:220)
        at
org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:202)
        at java.lang.Thread.run(Thread.java:662)
2011-04-14 04:43:04,681 | WARN  | Async error occurred:
java.lang.NullPointerException |
org.apache.activemq.broker.TransportConnection.Service | ActiveMQ Transport:
tcp:///92.88.218.68:10333
java.lang.NullPointerException
        at
org.apache.activemq.broker.TransportConnection.processAddConsumer(TransportConnection.java:539)
        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:179)
        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:227)
        at
org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
        at
org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:220)
        at
org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:202)
        at java.lang.Thread.run(Thread.java:662)


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