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From "Ben West (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-7943) DFS shell get/copy gives weird errors when permissions are wrong with directories
Date Thu, 29 Dec 2011 21:10:31 GMT
DFS shell get/copy gives weird errors when permissions are wrong with directories
---------------------------------------------------------------------------------

                 Key: HADOOP-7943
                 URL: https://issues.apache.org/jira/browse/HADOOP-7943
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs
    Affects Versions: 0.20.205.0
            Reporter: Ben West
            Priority: Minor


Let /foo be a *directory* in HDFS (issue does not occur with files) and /bar be a local dir.
Do something like:

{code}
$ chmod u-w /bar
$ hadoop -get /foo/myfile /bar
copyToLocal: Permission denied  # correctly tells me permission is denied
$ hadoop -get /foo /bar
copyToLocal: null           
$ hadoop -get /foo/ /bar
copyToLocal: No such file or directory
{code}

I've been banging my head for a bit trying to figure out why hadoop thinks my directory doesn't
exist, but it turns out the problem was just with my local permissions. The "Permission denied"
error would've been a lot nicer to get.

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