[jira] [Created] (HADOOP-13508) FsPermission's string constructor fails on valid permissions like "1777"

["Atul Sikaria (JIRA)" <ji...@apache.org>]

Atul Sikaria created HADOOP-13508:
-------------------------------------

             Summary: FsPermission's string constructor fails on valid permissions like "1777"
                 Key: HADOOP-13508
                 URL: https://issues.apache.org/jira/browse/HADOOP-13508
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Atul Sikaria
            Assignee: Atul Sikaria


FsPermissions's string constructor breaks on valid permission strings, like "1777". 

This is because FsPermission class naïvely uses UmaskParser to do it’s parsing of permissions: (from source code):
public FsPermission(String mode) {
    this((new UmaskParser(mode)).getUMask());
}

The mode string UMask accepts is subtly different (esp wrt sticky bit), so parsing Umask is not the same as parsing FsPermission. 




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