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From "David Dossot (JIRA)" <>
Subject [jira] Created: (AMQ-1455) Network bridge keeps falling down
Date Tue, 09 Oct 2007 18:36:23 GMT
Network bridge keeps falling down

                 Key: AMQ-1455
             Project: ActiveMQ
          Issue Type: Bug
          Components: Transport
    Affects Versions: 5.0.0
         Environment: apache-activemq-5.0-20071008.215641-19, RHEL 4, JDK 1.6.0_02
            Reporter: David Dossot

The bridge between two nodes keeps falling down after a few minutes of use.

This is maybe a misconfiguration and totally my bad, so here is the network config:

			<transportConnector uri="vm://${}" />
			<transportConnector uri="tcp://localhost:58080" discoveryUri="rendezvous://dev-esb-node"

			<networkConnector conduitSubscriptions="true" decreaseNetworkConsumerPriority="true"
				networkTTL="64" uri="rendezvous://dev-esb-node" userName="broker" password="XXX" />

${} resolves to "backbone-node-8080" on one box and "collection-node-8080" on
the other.

And here are the errors when the bridge crashes:

11:04:46,241 DEBUG [] backbone-node-8080
Forwarding sub on vm://backbone-node-8080#4 from collection-node-8080 :  ConsumerInfo {commandId
= 4, responseRequired = true, consumerId = ID:ddo-mbp.local-51198-1191953085196-0:0:1:1, destination
= queue://esb.admin.errors, prefetchSize = 500, maximumPendingMessageLimit = 0, browser =
true, dispatchAsync = false, selector = null, subscriptionName = null, noLocal = false, exclusive
= false, retroactive = false, priority = 0, brokerPath = null, optimizedAcknowledge = false,
noRangeAcks = false, additionalPredicate = null}
11:04:46,250 INFO  [] Network connection
between vm://backbone-node-8080#4 and tcp://
080 shutdown due to a local error: java.lang.NullPointerException
11:04:46,254 DEBUG [] The local Exception
        at org.apache.activemq.transport.ResponseCorrelator.onCommand(
        at org.apache.activemq.transport.TransportFilter.onCommand(
        at org.apache.activemq.transport.vm.VMTransport.oneway(
        at org.apache.activemq.transport.MutexTransport.oneway(
        at org.apache.activemq.transport.ResponseCorrelator.oneway(
        at org.apache.activemq.thread.PooledTaskRunner.runTask(
        at org.apache.activemq.thread.PooledTaskRunner$
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(
        at java.util.concurrent.ThreadPoolExecutor$
11:04:46,259 DEBUG []  stopping backbone-node-8080
bridge to collection-node-8080 is disposed already ? false
11:04:46,261 INFO  [] backbone-node-8080
bridge to collection-node-8080 stopped

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