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https://issues.apache.org/jira/browse/AMQ-6004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christopher L. Shannon resolved AMQ-6004.
-----------------------------------------
Resolution: Fixed
Fix Version/s: 5.13.0
5.12.1
This is a good idea to do to make sure things shutdown cleanly. Patch applied
with thanks.
> TcpTransportServer#socketHandlerThread should be intterrupted to stop the
> socket handler (daemon) thread
> --------------------------------------------------------------------------------------------------------
>
> Key: AMQ-6004
> URL: https://issues.apache.org/jira/browse/AMQ-6004
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.12.0
> Reporter: Erik Godding Boye
> Assignee: Christopher L. Shannon
> Fix For: 5.12.1, 5.13.0
>
> Attachments:
> Interrupt_socket_handler_thread_to_stop_daemon_thread.patch
>
>
> I am trying to achieve a clean shutdown of an embedded broker in a web
> application running in Tomcat. When the web application is shut down, Tomcat
> is always complaining about a running thread:
> {code}
> 09:09:55.948 WARN [o.a.c.loader.WebappClassLoaderBase] [] The web
> application [xxx] appears to have started a thread named [ActiveMQ Transport
> Server Thread Handler: tcp://0.0.0.0:12345] but has failed to stop it. This
> is very likely to create a memory leak. Stack trace of thread:
> sun.misc.Unsafe.park(Native Method)
> java.util.concurrent.locks.LockSupport.parkNanos(Unknown Source)
>
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(Unknown
> Source)
> java.util.concurrent.LinkedBlockingQueue.poll(Unknown Source)
>
> org.apache.activemq.transport.tcp.TcpTransportServer$2.run(TcpTransportServer.java:427)
> java.lang.Thread.run(Unknown Source)
> {code}
> I am pretty sure this can be easily fixed by interrupting the socket handler
> thread, as suggested by Andreas Hartmann in
> [AMQ-3451|https://issues.apache.org/jira/browse/AMQ-3451?focusedCommentId=13170863&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13170863].
> Please see attached patch.
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