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From "Bhushan Shelke (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMQ-4663) Dead lock bwtween ActiveMQ Task and InactivityMonitor Async Task
Date Thu, 01 Aug 2013 15:23:49 GMT

     [ https://issues.apache.org/jira/browse/AMQ-4663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bhushan Shelke updated AMQ-4663:
--------------------------------

    Environment: Cent Os 5.8 x 64, java version "1.6.0_22"  (was: Cent Os 5.8 x 64)
    
> Dead lock bwtween ActiveMQ Task and InactivityMonitor Async Task
> ----------------------------------------------------------------
>
>                 Key: AMQ-4663
>                 URL: https://issues.apache.org/jira/browse/AMQ-4663
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.5.1
>         Environment: Cent Os 5.8 x 64, java version "1.6.0_22"
>            Reporter: Bhushan Shelke
>         Attachments: tdump_29July2013.tdump.tar.gz
>
>
> Got deadlock following is snippet thread dump
> Deadlock Detection:
> Found one Java-level deadlock:
> =============================
> "Camel Thread #0 - JmsConsumer[abc/SendQueue]":
>  waiting for ownable synchronizer 0x0000000799ce4690, (a java/util/concurrent/locks/ReentrantReadWriteLock$NonfairSync),
>  which is held by "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@18b866d9"
> "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@18b866d9":
>   waiting to lock Monitor@0x00002aaabca91580 (Object@0x000000078822c168, a java/lang/Object),
>   which is held by "Camel Thread #0 - JmsConsumer[abc/SendQueue]"
> Found one Java-level deadlock:
> =============================
> "ActiveMQ Task-65635":
>  waiting for ownable synchronizer 0x0000000796e194a0, (a java/util/concurrent/locks/ReentrantReadWriteLock$NonfairSync),
>  which is held by "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@9f25d81"
> "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@9f25d81":
>   waiting to lock Monitor@0x00002aaab87142b0 (Object@0x0000000796db8108, a java/lang/Object),
>   which is held by "ActiveMQ Task-65635"
> Found one Java-level deadlock:
> =============================
> "ActiveMQ Task-90985":
>  waiting for ownable synchronizer 0x0000000799c683a0, (a java/util/concurrent/locks/ReentrantReadWriteLock$NonfairSync),
>  which is held by "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@561187fc"
> "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@561187fc":
>   waiting to lock Monitor@0x00002aaabcda2b60 (Object@0x00000007881e5290, a java/lang/Object),
>   which is held by "ActiveMQ Task-90985"
> Found one Java-level deadlock:
> =============================
> "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@29be1c47":
>   waiting to lock Monitor@0x00002aaabd1be958 (Object@0x00000007988da1f0, a java/lang/Object),
>   which is held by "ActiveMQ Task-83387"
> "ActiveMQ Task-83387":
>  waiting for ownable synchronizer 0x0000000799c0c778, (a java/util/concurrent/locks/ReentrantReadWriteLock$NonfairSync),
>  which is held by "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@29be1c47"
> Found one Java-level deadlock:
> =============================
> "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@7e552ef2":
>   waiting to lock Monitor@0x00002aaab76bb4a0 (Object@0x00000007988cdd00, a java/lang/Object),
>   which is held by "ActiveMQ Task-83410"
> "ActiveMQ Task-83410":
>  waiting for ownable synchronizer 0x0000000799c05410, (a java/util/concurrent/locks/ReentrantReadWriteLock$NonfairSync),
>  which is held by "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@7e552ef2"
> Found one Java-level deadlock:
> =============================
> "ActiveMQ Task-79893":
>  waiting for ownable synchronizer 0x0000000799bde768, (a java/util/concurrent/locks/ReentrantReadWriteLock$NonfairSync),
>  which is held by "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@210cd391"
> "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@210cd391":
>   waiting to lock Monitor@0x00002aaabdbf60e0 (Object@0x00000007975a2a88, a java/lang/Object),
>   which is held by "ActiveMQ Task-79893"
> Found one Java-level deadlock:
> =============================
> "ActiveMQ Task-91581":
>  waiting for ownable synchronizer 0x0000000799c73b58, (a java/util/concurrent/locks/ReentrantReadWriteLock$NonfairSync),
>  which is held by "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@67485042"
> "InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@67485042":
>   waiting to lock Monitor@0x00002aaabc55da70 (Object@0x00000007988d3660, a java/lang/Object),
>   which is held by "ActiveMQ Task-91581"
> Found a total of 7 deadlocks.

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