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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1441) Configuration of directory lists should trim whitespace
Date Tue, 02 Feb 2010 18:56:19 GMT
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

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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