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

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

     [ https://issues.apache.org/jira/browse/HADOOP-13508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Atul Sikaria updated HADOOP-13508:
----------------------------------
    Attachment: HADOOP-13508-1.patch

> 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
>         Attachments: HADOOP-13508-1.patch
>
>
> 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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