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Date: Wed, 10 Oct 2007 11:42:23 -0700 (PDT)
From: "David Dossot (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Commented: (AMQ-1455) Network bridge keeps falling down
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    [ https://issues.apache.org/activemq/browse/AMQ-1455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_40337 ] 

David Dossot commented on AMQ-1455:
-----------------------------------

Interestingly AMQ-805 gives the impression the bridge should auto-reconnect...

> Network bridge keeps falling down
> ---------------------------------
>
>                 Key: AMQ-1455
>                 URL: https://issues.apache.org/activemq/browse/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:
> 		<transportConnectors>
> 			<transportConnector uri="vm://${esb.node.name}" />
> 			<transportConnector uri="tcp://localhost:58080" discoveryUri="rendezvous://dev-esb-node" />
> 		</transportConnectors>
> 		<networkConnectors>
> 			<networkConnector conduitSubscriptions="true" decreaseNetworkConsumerPriority="true" dynamicOnly="true"
> 				networkTTL="64" uri="rendezvous://dev-esb-node" userName="broker" password="XXX" />
> 		</networkConnectors>
> ${esb.node.name} 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 [org.apache.activemq.network.DemandForwardingBridge] 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  [org.apache.activemq.network.DemandForwardingBridge] Network connection between vm://backbone-node-8080#4 and tcp://esb-backbone-node2.dev.com/10.20.116.14:58
> 080 shutdown due to a local error: java.lang.NullPointerException
> 11:04:46,254 DEBUG [org.apache.activemq.network.DemandForwardingBridge] The local Exception was:java.lang.NullPointerException
> java.lang.NullPointerException
>         at org.apache.activemq.network.DemandForwardingBridgeSupport.configureMessage(DemandForwardingBridgeSupport.java:539)
>         at org.apache.activemq.network.DemandForwardingBridgeSupport.serviceLocalCommand(DemandForwardingBridgeSupport.java:561)
>         at org.apache.activemq.network.DemandForwardingBridgeSupport$1.onCommand(DemandForwardingBridgeSupport.java:137)
>         at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:100)
>         at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:67)
>         at org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:102)
>         at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:40)
>         at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:59)
>         at org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1184)
>         at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:803)
>         at org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:838)
>         at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:118)
>         at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:42)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>         at java.lang.Thread.run(Thread.java:619)
> 11:04:46,259 DEBUG [org.apache.activemq.network.DemandForwardingBridge]  stopping backbone-node-8080 bridge to collection-node-8080 is disposed already ? false
> 11:04:46,261 INFO  [org.apache.activemq.network.DemandForwardingBridge] backbone-node-8080 bridge to collection-node-8080 stopped

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