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https://issues.apache.org/activemq/browse/AMQ-1252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rob Davies resolved AMQ-1252.
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Resolution: Fixed
Fix Version/s: (was: 5.4.0)
5.3.0
Assignee: Rob Davies
> transport won't shutdown, stuck in countdownlatch
> -------------------------------------------------
>
> Key: AMQ-1252
> URL: https://issues.apache.org/activemq/browse/AMQ-1252
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 4.1.1
> Reporter: Alex Burgel
> Assignee: Rob Davies
> Fix For: 5.3.0
>
>
> i have a network of brokers setup. when i shutdown the brokers, one of them
> always gets stuck waiting. i've pasted the relevant part of a thread dump
> below. you can see that the tcp transport is stuck waiting for the connection
> to host 10.4.7.108 to start up. the problem is that this host has already
> been shutdown. so the other host will be stuck waiting forever.
> this post seems to be relevant to the issue:
> http://www.nabble.com/Network-connector-failover-problems-tf3659372s2354.html#a10275742
> "ActiveMQ Transport: tcp:///10.4.7.108:40623" prio=1 tid=0xb08f28a8
> nid=0x4f84 waiting on condition [0x8490a000..0x8490a500]
> at sun.misc.Unsafe.park(Native Method)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:681)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:837)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1144)
> at
> edu.emory.mathcs.backport.java.util.concurrent.CountDownLatch.await(CountDownLatch.java:207)
> at
> org.apache.activemq.network.DemandForwardingBridgeSupport.waitStarted(DemandForwardingBridgeSupport.java:842)
> at
> org.apache.activemq.network.DemandForwardingBridgeSupport.serviceRemoteCommand(DemandForwardingBridgeSupport.java:332)
> at
> org.apache.activemq.network.DemandForwardingBridgeSupport$2.onCommand(DemandForwardingBridgeSupport.java:131)
> at
> org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:95)
> at
> org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:65)
> at
> org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:133)
> at
> org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:122)
> at
> org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:84)
> at
> org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:137)
> at java.lang.Thread.run(Thread.java:595)
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