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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3437) mapred.job.tracker default value/docs appear out of sync with code
Date Tue, 16 Jun 2009 12:35:08 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12720099#action_12720099
] 

Steve Loughran commented on HADOOP-3437:
----------------------------------------

1. JobTracker should clearly recognise that the {{mapred.job.tracker}} ref is local, and refuse
to play, with a more useful message. 

2. Erik, I think your problem is separate, and perhaps should be its own bugrep.

We should disable IPv6 anyway; created a bug report for that  HADOOP-6056 -as Ubuntu 9.04
doesnt let you turn IPv6 off in the kernel, doing it in Java is the best way to kill it.

> mapred.job.tracker default value/docs appear out of sync with code
> ------------------------------------------------------------------
>
>                 Key: HADOOP-3437
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3437
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: conf
>    Affects Versions: 0.18.0
>            Reporter: Steve Loughran
>            Priority: Minor
>
> This is the settings for mapred.job.tracker in SVN_HEAD. If you dont override these,
you get a RuntimeException
> <property>
>   <name>mapred.job.tracker</name>
>   <value>local</value>
>   <description>The host and port that the MapReduce job tracker runs
>   at.  If "local", then jobs are run in-process as a single map
>   and reduce task.
>   </description>
> </property>

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