[jira] [Created] (HDFS-9433) DFS getEZForPath API on a non-existent file should throw FileNotFoundException

[Rakesh R (JIRA)]

Rakesh R created HDFS-9433:
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             Summary: DFS getEZForPath API on a non-existent file should throw 
FileNotFoundException
                 Key: HDFS-9433
                 URL: https://issues.apache.org/jira/browse/HDFS-9433
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: encryption
            Reporter: Rakesh R
            Assignee: Rakesh R


Presently {{dfs.getEZForPath()}} API is behaving differently for a non-existent 
normal file and non-existent ezone file:

- If user pass a normal non-existent file then it will return null value. For 
example, {{Path("/nonexistentfile")}}
- If user pass a non-existent file but which is under an existing encryption 
zone then it is returning the parent's encryption zone info. For example, 
{{Path("/ezone/nonexistentfile")}}

Here the proposed idea is to unify the behavior by throwing 
FileNotFoundException. Please refer the discussion 
[thread|https://issues.apache.org/jira/browse/HDFS-9348?focusedCommentId=14983301&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14983301].



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