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https://issues.apache.org/jira/browse/MAPREDUCE-1441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12829341#action_12829341
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Todd Lipcon commented on MAPREDUCE-1441:
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Those failed tests seem unrelated. Seems good to go?
> Configuration of directory lists should trim whitespace
> -------------------------------------------------------
>
> Key: MAPREDUCE-1441
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1441
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker, tasktracker
> Affects Versions: 0.21.0, 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: mapreduce-1441.txt
>
>
> HADOOP-2366 added a getTrimmedStringCollection method to Configuration.
> MapReduce should use this for all the cases where it configures a list of
> directories. This solves issues that come up when people set mapred.local.dir
> to "/data/1, /data/2, /data/3" (note the spaces). This is a very common
> mistake that we should guard against.
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