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Ron Koerner edited comment on AMQ-3887 at 7/13/12 1:31 PM: ----------------------------------------------------------- With the latest 5.7-SNAPSHOT the problem is still there: {code} 2012-07-13 15:02:25,987 INFO .DemandForwardingBridgeSupport - Network connection between vm://smcufs02#32 and tcp:///127.0.0.1:43274(cbox-000000005300653612) has been established. [StartLocalBridge: localBroker=vm://smcufs02#32] 2012-07-13 15:02:25,988 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 000000005300653612 to cBox Proxy@ID:000000005300653612-48838-1341420908942-0:1 [ActiveMQ NIO Worker 1] 2012-07-13 15:02:25,989 INFO .ConnectorAuthenticationBroker - checked login of checkit:xdev-000000005300653612 [ActiveMQ NIO Worker 1] 2012-07-13 15:02:26,021 WARN .DemandForwardingBridgeSupport - Caught an exception processing local command [BrokerService[smcufs02] Task-147] java.lang.NullPointerException: null at org.apache.activemq.network.DemandForwardingBridgeSupport.configureMessage(DemandForwardingBridgeSupport.java:673) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.network.DemandForwardingBridgeSupport.serviceLocalCommand(DemandForwardingBridgeSupport.java:707) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.network.DemandForwardingBridgeSupport$1.onCommand(DemandForwardingBridgeSupport.java:165) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAP SHOT] at org.apache.activemq.transport.vm.VMTransport.doDispatch(VMTransport.java:137) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.vm.VMTransport.dispatch(VMTransport.java:126) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:103) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1307) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:837) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:872) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:122) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:43) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [na:1.6.0_20] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [na:1.6.0_20] at java.lang.Thread.run(Thread.java:619) [na:1.6.0_20] {code} was (Author: ron.koerner): With the latest 5.7-SNAPSHOT the problem is still there: <code> 2012-07-13 15:02:25,987 INFO .DemandForwardingBridgeSupport - Network connection between vm://smcufs02#32 and tcp:///127.0.0.1:43274(cbox-000000005300653612) has been established. [StartLocalBridge: localBroker=vm://smcufs02#32] 2012-07-13 15:02:25,988 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 000000005300653612 to cBox Proxy@ID:000000005300653612-48838-1341420908942-0:1 [ActiveMQ NIO Worker 1] 2012-07-13 15:02:25,989 INFO .ConnectorAuthenticationBroker - checked login of checkit:xdev-000000005300653612 [ActiveMQ NIO Worker 1] 2012-07-13 15:02:26,021 WARN .DemandForwardingBridgeSupport - Caught an exception processing local command [BrokerService[smcufs02] Task-147] java.lang.NullPointerException: null at org.apache.activemq.network.DemandForwardingBridgeSupport.configureMessage(DemandForwardingBridgeSupport.java:673) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.network.DemandForwardingBridgeSupport.serviceLocalCommand(DemandForwardingBridgeSupport.java:707) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.network.DemandForwardingBridgeSupport$1.onCommand(DemandForwardingBridgeSupport.java:165) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAP SHOT] at org.apache.activemq.transport.vm.VMTransport.doDispatch(VMTransport.java:137) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.vm.VMTransport.dispatch(VMTransport.java:126) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:103) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1307) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:837) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:872) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:122) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:43) [activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [na:1.6.0_20] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [na:1.6.0_20] at java.lang.Thread.run(Thread.java:619) [na:1.6.0_20] <code> > Occasional Null Pointer Exception during NetworkConnector connection > -------------------------------------------------------------------- > > Key: AMQ-3887 > URL: https://issues.apache.org/jira/browse/AMQ-3887 > Project: ActiveMQ > Issue Type: Bug > Affects Versions: 5.6.0 > Environment: SLES 10 > Reporter: Ron Koerner > Assignee: Timothy Bish > Fix For: 5.7.0 > > > While starting a duplex NetworkConnector an NPE can be observed on the > receiving side. > {code} > 2012-06-18 17:34:24,571 INFO .DemandForwardingBridgeSupport - Network > connection between vm://proxy-cbpi001#8 and tcp:///169.254. > 0.5:59412(cbox-56BU101117) has been established. [StartLocalBridge: > localBroker=vm://proxy-cbpi001#8] > 2012-06-18 17:34:24,577 WARN .DemandForwardingBridgeSupport - Caught an > exception processing local command [BrokerService[proxy-c > bpi001] Task-19] > java.lang.NullPointerException: null > at > org.apache.activemq.network.DemandForwardingBridgeSupport.configureMessage(DemandForwardingBridgeSupport.java:644) > ~[ac > tivemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.network.DemandForwardingBridgeSupport.serviceLocalCommand(DemandForwardingBridgeSupport.java:675) > ~ > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.network.DemandForwardingBridgeSupport$1.onCommand(DemandForwardingBridgeSupport.java:139) > [activemq > -core-5.6.0.jar:5.6.0] > at > org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116) > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50) > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.transport.vm.VMTransport.doDispatch(VMTransport.java:135) > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.transport.vm.VMTransport.dispatch(VMTransport.java:124) > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:103) > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68) > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60) > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1307) > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:837) > [activemq-core-5.6.0.jar:5 > .6.0] > at > org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:872) > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:122) > [activemq-core-5.6.0.jar:5.6.0] > at > org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:43) > [activemq-core-5.6.0.jar:5.6.0] > at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown > Source) [na:1.6.0_20] > at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) > [na:1.6.0_20] > at java.lang.Thread.run(Unknown Source) [na:1.6.0_20] > {code} > The other broker will eventually connect, but with about a hundred of > connecting brokers this occurs too often to ignore. > As this seems to be a race condition it is quite difficult to reproduce > reliably. I assume producerInfo is accessed in configureMessage before it is > initialized in startRemoteBridge. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira