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From "Peter Kofler (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (EXEC-60) Possible deadlock when a process is terminating at the same time its timing out
Date Tue, 04 Oct 2011 20:36:34 GMT

    [ https://issues.apache.org/jira/browse/EXEC-60?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13120451#comment-13120451
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Peter Kofler commented on EXEC-60:
----------------------------------

I created a test that reproduces the deadlock (from time to time ;-)
ExecuteWatchdogTest.java
If you have a fast machine then you need to update the "start" and the end of range of the
time slice.
---
Case of the deadlock was the synchronized call stack in Watchdog#run.


                
> Possible deadlock when a process is terminating at the same time its timing out
> -------------------------------------------------------------------------------
>
>                 Key: EXEC-60
>                 URL: https://issues.apache.org/jira/browse/EXEC-60
>             Project: Commons Exec
>          Issue Type: Bug
>    Affects Versions: 1.0.1, 1.1
>            Reporter: Gui Forget
>            Priority: Minor
>         Attachments: commons-exec-1.1-deadlock.txt, deadlock.txt, exec-60.diff
>
>
> I ran into a deadlock when executing a process monitored by ExecuteWatchDog. This happened
in 1.0.1 for me but looking at the code in 1.1 it seems to me that this could happen in this
version as well.

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