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From "MaoYuan Xian (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-789) BspPeer launched fail because port is bound by others
Date Thu, 01 Aug 2013 04:13:48 GMT

    [ https://issues.apache.org/jira/browse/HAMA-789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13726027#comment-13726027
] 

MaoYuan Xian commented on HAMA-789:
-----------------------------------

I can run the job successfully with the patch in my cluster.
                
> BspPeer launched fail because port is bound by others
> -----------------------------------------------------
>
>                 Key: HAMA-789
>                 URL: https://issues.apache.org/jira/browse/HAMA-789
>             Project: Hama
>          Issue Type: Bug
>          Components: bsp core
>    Affects Versions: 0.6.2
>            Reporter: MaoYuan Xian
>            Assignee: Suraj Menon
>             Fix For: 0.6.3
>
>         Attachments: HAMA-789.patch
>
>
> In GroomServer, we call BSPNetUtils.getNextAvailable to assigning the bsppeer listening
port. After figures out an available port, the GroomServer release the port and launches the
BspPeer(Child), then the child listens to this port.
> However, during the GroomServer release the port and peer listens the port, if other
process in the operation system binds to the same port occasionally, the bsppeer will fail
to start up because of "Address already in use" exception.

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