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https://issues.apache.org/jira/browse/HADOOP-9438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646985#comment-13646985
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Omkar Vinit Joshi commented on HADOOP-9438:
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Yes you are right... when I looked at the code I was more worried about the
existing functionalities which are making use of that method directly /
indirectly via FileContext.
[~arpitgupta] is the RawLocalFileSystem.mkdirs(Path) method getting used
anywhere internally in the following context? "if directory is present silently
return"? if yes then probably we either need another method which will be
called from FileContext as otherwise it will break existing functionalities.
> LocalFileContext does not throw an exception on mkdir for already existing
> directory
> ------------------------------------------------------------------------------------
>
> Key: HADOOP-9438
> URL: https://issues.apache.org/jira/browse/HADOOP-9438
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.0.3-alpha
> Reporter: Robert Joseph Evans
> Priority: Critical
> Attachments: HADOOP-9438.20130501.1.patch, HADOOP-9438.patch,
> HADOOP-9438.patch
>
>
> according to
> http://hadoop.apache.org/docs/current/api/org/apache/hadoop/fs/FileContext.html#mkdir%28org.apache.hadoop.fs.Path,%20org.apache.hadoop.fs.permission.FsPermission,%20boolean%29
> should throw a FileAlreadyExistsException if the directory already exists.
> I tested this and
> {code}
> FileContext lfc = FileContext.getLocalFSFileContext(new Configuration());
> Path p = new Path("/tmp/bobby.12345");
> FsPermission cachePerms = new FsPermission((short) 0755);
> lfc.mkdir(p, cachePerms, false);
> lfc.mkdir(p, cachePerms, false);
> {code}
> never throws an exception.
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