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From "Jun Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TAP5-2406) deadlock in PeriodicExecutor
Date Mon, 20 Oct 2014 06:06:33 GMT
Jun Tsai created TAP5-2406:
------------------------------

             Summary: deadlock in PeriodicExecutor
                 Key: TAP5-2406
                 URL: https://issues.apache.org/jira/browse/TAP5-2406
             Project: Tapestry 5
          Issue Type: Bug
          Components: tapestry-ioc
    Affects Versions: 5.3.7
            Reporter: Jun Tsai
            Priority: Blocker


"Tapestry PeriodicExecutor":
	at org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl$Job.isExecuting(PeriodicExecutorImpl.java:84)
	- waiting to lock <0x00000006c2ad83e8> (a org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl$Job)
	at org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl.executeCurrentBatch(PeriodicExecutorImpl.java:299)
	- locked <0x00000006bffbb7a8> (a org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl)
	at org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl.run(PeriodicExecutorImpl.java:249)
	at java.lang.Thread.run(Thread.java:744)
"monad-background-6":
	at org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl.removeJob(PeriodicExecutorImpl.java:211)
	- waiting to lock <0x00000006bffbb7a8> (a org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl)
	at org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl$Job.cleanupAfterExecution(PeriodicExecutorImpl.java:161)
	- locked <0x00000006c2ad83e8> (a org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl$Job)
	at org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl$Job.invoke(PeriodicExecutorImpl.java:181)
	at org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl$Job.invoke(PeriodicExecutorImpl.java:48)
	at org.apache.tapestry5.ioc.internal.services.ParallelExecutorImpl$1.call(ParallelExecutorImpl.java:58)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at egfit.f.p$a$b.run(ThreadPoolModule.scala:85)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)

Found 1 deadlock.


---------------------------------------------------------------------------------------------
"Tapestry PeriodicExecutor":
  waiting to lock monitor 0x00007f641cef7298 (object 0x00000006c2ad83e8, a org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl$Job),
  which is held by "monad-background-6"
"monad-background-6":
  waiting to lock monitor 0x00007f641c761868 (object 0x00000006bffbb7a8, a org.apache.tapestry5.ioc.internal.services.cron.PeriodicExecutorImpl),
  which is held by "Tapestry PeriodicExecutor"




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