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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-1016) HDFS side change for HADOOP-6569
Date Thu, 04 Mar 2010 19:39:27 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hairong Kuang updated HDFS-1016:
--------------------------------

    Attachment: optimizeCat_HDFS2.patch

In the trunk, DistributedFileSystem#open throws FileNotFoundException but with a not idea
message. My previous patch catches the exception at the client side and instantiates a new
exception with a more readable message. After discussion with Suresh, here is another patch
that does the minimal change to the trunk. It makes the NameNode side exception with a more
meaningful message but no change at the client side. The disadvantage of the new patch is
that the command line error message contains the exception class name which is introduced
by RPC. This will be addressed in a later jira.

> HDFS side change for HADOOP-6569
> --------------------------------
>
>                 Key: HDFS-1016
>                 URL: https://issues.apache.org/jira/browse/HDFS-1016
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs client
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.22.0
>
>         Attachments: optimizeCat_HDFS.patch, optimizeCat_HDFS1.patch, optimizeCat_HDFS2.patch
>
>
> 1. TestCLI configuration file should be modified.
> 2. DistributedFileSystem#open change the exception to be FileNotFoundException when the
file does not exist.

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