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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-2811) Network of Brokers: NIO-Transport: Members die after some hours
Date Thu, 15 Jul 2010 10:19:52 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully resolved AMQ-2811.
-----------------------------

         Assignee: Gary Tully
    Fix Version/s: 5.4.0
       Resolution: Fixed

fix for NPE in r964367

> Network of Brokers: NIO-Transport: Members die after some hours
> ---------------------------------------------------------------
>
>                 Key: AMQ-2811
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2811
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.3.1
>         Environment: RedHat Linux, Java 1.6
>            Reporter: Dirk Alexander Schäfer
>            Assignee: Gary Tully
>             Fix For: 5.4.0
>
>
> 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
> 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 

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