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https://issues.apache.org/jira/browse/HDFS-5849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13887349#comment-13887349
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Arpit Agarwal commented on HDFS-5849:
-------------------------------------
Hi Chris, the reason {{removeINodeAcl}} can't just use
{{perm.getGroupAction()}} is because that has the mask already applied, and you
don't want that?
> Removing ACL from an inode fails if it has only a default ACL.
> --------------------------------------------------------------
>
> Key: HDFS-5849
> URL: https://issues.apache.org/jira/browse/HDFS-5849
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: HDFS ACLs (HDFS-4685)
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: HDFS-5849.1.patch
>
>
> When removing an ACL, the logic must restore the group permission previously
> stored in an ACL entry back into the group permission bits. The logic for
> this in {{AclTransformation#removeINodeAcl}} assumes that the group entry
> must be found in the former ACL. This is not the case when removing the ACL
> from an inode that only had a default ACL and not an access ACL.
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