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Date: Fri, 8 Mar 2013 08:17:52 -0600 (CST)
From: "Brett Porter (JIRA)" <jira@codehaus.org>
To: issues@continuum.apache.org
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Subject: [jira] (CONTINUUM-2704) Shell builds are not executing concurrently
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    [ https://jira.codehaus.org/browse/CONTINUUM-2704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=321645#comment-321645 ] 

Brett Porter commented on CONTINUUM-2704:
-----------------------------------------

That certainly looks like the case, good catch. It would be necessary to confirm that the rest of the side effects of those methods are thread safe, but a narrower synchronization window can likely be established if needed that doesn't lock them to one at a time. Thanks for working through this.
                
> Shell builds are not executing concurrently
> -------------------------------------------
>
>                 Key: CONTINUUM-2704
>                 URL: https://jira.codehaus.org/browse/CONTINUUM-2704
>             Project: Continuum
>          Issue Type: Bug
>          Components: Parallel Builds
>    Affects Versions: 1.3.8
>         Environment: Ubuntu, Tomcat
>            Reporter: Murali Mohan
>
> Continuum version 1.3.6. Deployed on Tomcat in Ubuntu.
> I have 2 projects, say A and B. Each has shell builds defined and set to run in different queues. Number of parallel builds is set to 4.
> The problem is that, when the shell build from A runs, it will not execute the build until the shell build from B is complete. it is almost  like A is waiting for B to finish. Please note that maven builds are happily running in parallel in these 2 queues. It is only the shell build that has a problem.
> To be sure that this is not an OS level problem, I started the build in B from Continuum and ran the shell script for A from command line and it worked fine - both ran in parallel. So, I think Continuum has a bottle neck somewhere. please help.

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