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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-5343) org.apache.activemq.thread.PooledTaskRunner.shutdown Waiting state
Date Thu, 04 Sep 2014 21:44:25 GMT

    [ https://issues.apache.org/jira/browse/AMQ-5343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14122021#comment-14122021
] 

Timothy Bish commented on AMQ-5343:
-----------------------------------

A unit test to reproduce this will help anyone that investigates it.

> org.apache.activemq.thread.PooledTaskRunner.shutdown Waiting state
> ------------------------------------------------------------------
>
>                 Key: AMQ-5343
>                 URL: https://issues.apache.org/jira/browse/AMQ-5343
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: JMS client
>    Affects Versions: 5.10.0
>            Reporter: Mohit Anchlia
>
> I am using a framework with async request/response pattern where I cache session and
connections. I also cache temp queue destination and use it with future to get the response.
The problem seems to be when I try to close the connection I see threads are waiting forever:
> "pool-2-thread-9" prio=10 tid=0x00007f76843f4800 nid=0xadb in Object.wait() [0x00007f765194d000]
>    java.lang.Thread.State: WAITING (on object monitor)
>         at java.lang.Object.wait(Native Method)
>         at org.apache.activemq.thread.PooledTaskRunner.shutdown(PooledTaskRunner.java:104)
>         - locked <0x00000000950ddca8> (a org.apache.activemq.thread.PooledTaskRunner$1)
>         at org.apache.activemq.thread.PooledTaskRunner.shutdown(PooledTaskRunner.java:112)
>         at org.apache.activemq.ActiveMQSessionExecutor.stop(ActiveMQSessionExecutor.java:152)
>         - locked <0x0000000094f1ae10> (a org.apache.activemq.ActiveMQSessionExecutor)
>         at org.apache.activemq.ActiveMQSession.dispose(ActiveMQSession.java:720)
>         - locked <0x00000000950c89f8> (a org.apache.activemq.ActiveMQSession)
>         at org.apache.activemq.ActiveMQSession.doClose(ActiveMQSession.java:656)
>         at org.apache.activemq.ActiveMQSession.close(ActiveMQSession.java:649)
>         at com.sony.am.snei.stress.async.jms.JMSClient.cleanUp(JMSClient.java:172)
>         at com.sony.am.snei.stress.command.FDBIdentityAndAccessCommand.doWrite(FDBIdentityAndAccessCommand.java:142)
>         at com.sony.am.snei.stress.command.FDBIdentityAndAccessCommand.call(FDBIdentityAndAccessCommand.java:46)
>         at com.sony.am.snei.stress.command.FDBIdentityAndAccessCommand.call(FDBIdentityAndAccessCommand.java:22)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:745)



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