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Posted to mapreduce-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2010/02/02 19:56:19 UTC

[jira] Created: (MAPREDUCE-1441) Configuration of directory lists should trim whitespace

Configuration of directory lists should trim whitespace
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                 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


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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