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From "Sathwik Bantwal Premakumar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ODE-1026) Deployment deadlock
Date Wed, 03 Jun 2015 13:55:38 GMT

    [ https://issues.apache.org/jira/browse/ODE-1026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14570853#comment-14570853
] 

Sathwik Bantwal Premakumar commented on ODE-1026:
-------------------------------------------------

Igor,
How about enclosing the loop containing fireEvent and fireStateChange within rw(readLock).
This should order the lock acquisition and avoid the deadlock.

{panel:borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1|bgColor=#FFFFCE}
*acquire rw(readLock)*
   loop
       fireEvent
       fireStateChange
*release rw(readLock)*
{panel}

Can you check with this change and let us know?


> Deployment deadlock
> -------------------
>
>                 Key: ODE-1026
>                 URL: https://issues.apache.org/jira/browse/ODE-1026
>             Project: ODE
>          Issue Type: Bug
>          Components: Deployment
>    Affects Versions: 1.3.6
>            Reporter: Igor Vorobiov
>         Attachments: thread1.txt, thread2.txt
>
>
> There is deadlock when two processes are redeployed at the same time.
> Attached deadlock threads trace.



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