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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4009) Declare HDFS exceptions in the HDFS interface and also in class FileSystem and rethrow the encapsulated exception
Date Sat, 23 Aug 2008 00:18:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12625005#action_12625005
] 

Konstantin Shvachko commented on HADOOP-4009:
---------------------------------------------

Re-throwing should be rather easy since we have {{unwrapRemoteException()}}. 
But catching and analyzing the "real" exceptions instead of {{RemoteException}} as we do now
will involve a lot of code changes.

> Declare HDFS exceptions in the HDFS interface and also in class FileSystem and rethrow
the encapsulated exception
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4009
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4009
>             Project: Hadoop Core
>          Issue Type: Sub-task
>            Reporter: Sanjay Radia
>
> Server-side exceptions are encapsulated in the remote exception (as  the class name and
the error string ).
> The client side and FileSystem does not declare or thrown the these encapsulated exception.
> Work Items
>  * Declare the exceptions in FileSystem and the HDFS interface (but still as subclasses
of IOException)
>  * Rethrow encapsulated declared exceptions if they are the declared exception.

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