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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2842) NameNode should throw FileNotFoundException for nonexistent files
Date Tue, 15 Apr 2008 06:51:04 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward J. Yoon updated HADOOP-2842:
-----------------------------------

    Attachment: 2842_v02.patch

Thank you for your review. I fixed them.

1. When file not found, FSNamesystem.exist() will throws FileNotFoundException.
2. A unnecessary test was removed.

> 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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