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https://issues.apache.org/jira/browse/HADOOP-7943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13190490#comment-13190490
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Ben West commented on HADOOP-7943:
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Added a small patch. I am not sure how to run the unit tests (wiki says to use
maven, but 1.0 appears to not use maven, so...) but I'm doubtful that it would
affect anything.
I believe that the only reason the mkdirs() call could fail is permissions (so
the second "if" is redundant), but it seemed like a could idea to check its
return value anyway.
My first hadoop patch, so comments are appreciated :)
PS: Harsh: thanks for your help. FYI, at the bottom of your page you talk about
both branches 0.1 and 1.0 - I was confused for a bit :)
> 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
> Labels: hdfs, shell
> Attachments: hadoop-7943.patch, hadoop-7943.patch
>
>
> 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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