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From Dirk Alexander Schäfer (JIRA) <>
Subject [jira] Created: (AMQ-2811) Network of Brokers: NIO-Transport: Members die after some hours
Date Tue, 06 Jul 2010 13:26:52 GMT
Network of Brokers: NIO-Transport: Members die after some hours

                 Key: AMQ-2811
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.3.1
         Environment: RedHat Linux, Java 1.6
            Reporter: Dirk Alexander Schäfer

i have a network of brokers configured with four nodes where each node knows the other three
nodes through the networkConnector config. two of these 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$Worker@f782b1
        at org.apache.activemq.transport.nio.NIOTransport.doStop(
        at org.apache.activemq.util.ServiceSupport.stop(
        at org.apache.activemq.transport.tcp.TcpTransport.stop(
        at org.apache.activemq.transport.InactivityMonitor.stop(
        at org.apache.activemq.transport.TransportFilter.stop(
        at org.apache.activemq.transport.WireFormatNegotiator.stop(
        at org.apache.activemq.transport.TransportFilter.stop(
        at org.apache.activemq.transport.TransportFilter.stop(
        at org.apache.activemq.transport.ResponseCorrelator.stop(
        at org.apache.activemq.util.ServiceSupport.dispose(
        at org.apache.activemq.transport.discovery.simple.SimpleDiscoveryAgent$
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(
        at java.util.concurrent.ThreadPoolExecutor$

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