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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-628) Fix YarnException unwrapping
Date Tue, 14 May 2013 04:07:16 GMT

     [ https://issues.apache.org/jira/browse/YARN-628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Siddharth Seth updated YARN-628:

    Attachment: YARN-628.txt

The patch makes the following changes
- Changes RPCUtil.unwrapAndThrowException to throw IOException and YarnRemoteException.
- Fixes the implementation of this Unwrap method.
- Removed references to UndeclaredThrowableException from YARN tests.
- Adds unit tests for RPCUtil.unwrapAndThrowException

unwrapAndThrowException was earlier returning an exception. This has been changed to throw
an exception instead - seems like a cleaner approach since individual PBClientImpls don't
need an additional check on the exception type before throwing. It does introduce this strange
bit of code in all PBImpls 'return null', which will never be executed.
> Fix YarnException unwrapping
> ----------------------------
>                 Key: YARN-628
>                 URL: https://issues.apache.org/jira/browse/YARN-628
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 2.0.4-alpha
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>         Attachments: YARN-628.txt
> Unwrapping of YarnRemoteExceptions (currently in YarnRemoteExceptionPBImpl, RPCUtil post
YARN-625) is broken, and often ends up throwin UndeclaredThrowableException. This needs to
be fixed.

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