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From dialsc <dirk.a.schae...@bluewin.ch>
Subject Re: Network of Brokers: Members die after some hours
Date Tue, 06 Jul 2010 13:26:45 GMT

hi,

done: https://issues.apache.org/activemq/browse/AMQ-2811

greez,

dialsc


dialsc wrote:
> 
> hello,
> 
> i have a network of brokers configured with four nodes where each node
> knows the other three nodes through the networkConnector config. two of
> theses four nodes are currently down/unavailable. the other two nodes are
> working for about four hours then they die. in the log file i see a lot of
> entries like this one:
> 
> 2010-07-05 00:53:01,741 | ERROR | Could not stop service: tcp://null:0.
> Reason: java.lang.NullPointerException |
> org.apache.activemq.transport.nio.NIOTransport | Simple Discovery Agent:
> java.util.concurrent.ThreadPoolExecutor$Worker@f782b1
> java.lang.NullPointerException
> 	at
> org.apache.activemq.transport.nio.NIOTransport.doStop(NIOTransport.java:152)
> 	at org.apache.activemq.util.ServiceSupport.stop(ServiceSupport.java:69)
> 	at
> org.apache.activemq.transport.tcp.TcpTransport.stop(TcpTransport.java:500)
> 	at
> org.apache.activemq.transport.InactivityMonitor.stop(InactivityMonitor.java:121)
> 	at
> org.apache.activemq.transport.TransportFilter.stop(TransportFilter.java:64)
> 	at
> org.apache.activemq.transport.WireFormatNegotiator.stop(WireFormatNegotiator.java:91)
> 	at
> org.apache.activemq.transport.TransportFilter.stop(TransportFilter.java:64)
> 	at
> org.apache.activemq.transport.TransportFilter.stop(TransportFilter.java:64)
> 	at
> org.apache.activemq.transport.ResponseCorrelator.stop(ResponseCorrelator.java:132)
> 	at
> org.apache.activemq.util.ServiceSupport.dispose(ServiceSupport.java:43)
> 	at
> org.apache.activemq.network.DiscoveryNetworkConnector.onServiceAdd(DiscoveryNetworkConnector.java:134)
> 	at
> org.apache.activemq.transport.discovery.simple.SimpleDiscoveryAgent$1.run(SimpleDiscoveryAgent.java:164)
> 	at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:619
> 
> and yes, i'm using the nio transport.
> has anyone got an idea?
> 
> thx,
> greez,
> 
> dialsc
> 

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