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Posted to mapreduce-issues@hadoop.apache.org by "Zhijie Shen (JIRA)" <ji...@apache.org> on 2014/05/29 23:55:02 UTC

[jira] [Commented] (MAPREDUCE-5495) Make url in JobProfile work when set mapred.job.tracker to 0.0.0.0:

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14012981#comment-14012981 ] 

Zhijie Shen commented on MAPREDUCE-5495:
----------------------------------------

Instead of using the config, can we simply make use of "InetAddress.getLocalHost().getHostName()" to get the host name when we bind InetSocketAddress to 0.0.0.0?

> Make url in JobProfile work when set mapred.job.tracker to 0.0.0.0:<port>
> -------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5495
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5495
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 1.1.2
>            Reporter: zhaoyunjiong
>            Assignee: zhaoyunjiong
>            Priority: Minor
>             Fix For: 1.1.3
>
>         Attachments: MAPREDUCE-5495-branch-1.1.patch
>
>
> When there are multiple NICs and JobTracker need listen on all NICs, for example when set mapred.job.tracker to 0.0.0.0:8021, then getJobTrackerMachine() will return 0.0.0.0, it cause some problems, for example url in JobProfile won't work. Set this to a hostname can make it work.



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