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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-489) Check port availability before forking child process
Date Wed, 21 Dec 2011 23:09:31 GMT

    [ https://issues.apache.org/jira/browse/HAMA-489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13174477#comment-13174477
] 

Hudson commented on HAMA-489:
-----------------------------

Integrated in Hama-Nightly #402 (See [https://builds.apache.org/job/Hama-Nightly/402/])
    [HAMA-489] Check port availability before forking child process

edwardyoon : 
Files : 
* /incubator/hama/trunk/CHANGES.txt
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/GroomServer.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/util/BSPNetUtils.java

                
> Check port availability before forking child process
> ----------------------------------------------------
>
>                 Key: HAMA-489
>                 URL: https://issues.apache.org/jira/browse/HAMA-489
>             Project: Hama
>          Issue Type: Bug
>          Components: bsp
>    Affects Versions: 0.3.0
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.4.0
>
>         Attachments: HAMA-489.patch
>
>
> {code}
>         for (GroomServerAction action : actions) {
>           Task t = ((LaunchTaskAction) action).getTask();
>           int peerPort = (Constants.DEFAULT_PEER_PORT + i);
>           assignedPeerNames.put(t.getTaskID(), peerPort);
>           i++;
>         }
> {code}
> Increasing naively the number of port will potentially cause "already in use" error.
We may need to find next available port.

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