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Posted to hdfs-issues@hadoop.apache.org by "Chu Tong (JIRA)" <ji...@apache.org> on 2013/02/22 00:32:12 UTC
[jira] [Updated] (HDFS-4439) umask-mode does not support 4-digit
umask value
[ https://issues.apache.org/jira/browse/HDFS-4439?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chu Tong updated HDFS-4439:
---------------------------
Attachment: HDFS-4439.patch
> umask-mode does not support 4-digit umask value
> -----------------------------------------------
>
> Key: HDFS-4439
> URL: https://issues.apache.org/jira/browse/HDFS-4439
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 3.0.0
> Reporter: Andy Isaacson
> Attachments: HDFS-4439.patch
>
>
> Best practice for specifying file permissions using the legacy octal format is to always add a leading "0" to ensure the value is treated as octal. However the {{fs.permissions.umask-mode}} parsing code throws an error when given a 4-digit string:
> {code}
> $ hdfs dfs -Dfs.permissions.umask-mode=0000 -touchz foo.txt
> 2013-01-24 12:49:02,352 WARN permission.FsPermission (FsPermission.java:getUMask(245)) - Unable to parse configuration fs.permissions.umask-mode with value 0000 as octal or symbolic umask.
> -touchz: Unable to parse configuration fs.permissions.umask-mode with value 0000 as octal or symbolic umask.
> Usage: hadoop fs [generic options] -touchz <path> ...
> {code}
> There's no downside to supporting {{0000}}, so hdfs should handle it gracefully.
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