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https://issues.apache.org/jira/browse/HADOOP-2842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588951#action_12588951
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lohit vijayarenu commented on HADOOP-2842:
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Hi Edward,
The patch looks good. But the issue address by this patch has changed in 2 ways.
- getFileInfo() no longer throws FileNotFoundException it returns null if file
not found, HADOOP-3239. So we might not need this here.
- exits() would be removed from server side HADOOP-3160
> NameNode should throw FileNotFoundException for nonexistent files
> -----------------------------------------------------------------
>
> Key: HADOOP-2842
> URL: https://issues.apache.org/jira/browse/HADOOP-2842
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Affects Versions: 0.16.0
> Reporter: Hairong Kuang
> Assignee: Edward J. Yoon
> Fix For: 0.18.0
>
> Attachments: 2842_v01.patch, 2842_v02.patch
>
>
> Currently namenode throws an IOException with a "File does not exist" message
> for nonexistent files. It would be better to throw FileNotFound exception. So
> the client does not need to parse the error message to find out the real
> cause of the I/O error.
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