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https://issues.apache.org/jira/browse/HDFS-14848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16929261#comment-16929261
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Kihwal Lee commented on HDFS-14848:
-----------------------------------

Throwing FileNotFoundException may not always be correct thing to throw from 
the permission check.  It will allow people to check & discover fs entries.

> ACE for Non Existing Paths
> --------------------------
>
>                 Key: HDFS-14848
>                 URL: https://issues.apache.org/jira/browse/HDFS-14848
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.3.0
>            Reporter: Akshay Agarwal
>            Assignee: Ayush Saxena
>            Priority: Major
>
> Access control exception for several operations in some cases when the path 
> doesn't exist.
> For eg: SetStoragePolicy, getStoragePolicy, getBlockLocations and many other.



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