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From "Stephen Chu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4848) copyFromLocal and renaming a file to ".snapshot" should output that ".snapshot" is a reserved name
Date Fri, 24 May 2013 18:42:21 GMT
Stephen Chu created HDFS-4848:
---------------------------------

             Summary: copyFromLocal and renaming a file to ".snapshot" should output that
".snapshot" is a reserved name
                 Key: HDFS-4848
                 URL: https://issues.apache.org/jira/browse/HDFS-4848
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 3.0.0
            Reporter: Stephen Chu
            Priority: Trivial


Might be an unlikely scenario, but if users copyFromLocal a file/dir from local to HDFS and
want the file/dir to be renamed to _.snapshot_, then they'll see an Input/output error  like
the following:

{code}
schu-mbp:~ schu$ hdfs dfs -copyFromLocal testFile1 /tmp/.snapshot
copyFromLocal: rename `/tmp/.snapshot._COPYING_' to `/tmp/.snapshot': Input/output error
{code}

It'd be more clear if the error output was the usual _".snapshot" is a reserved name_ (this
does show in the NN logs, though).

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