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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5201) getDiagnostics in TaskReport should return exceptions
Date Wed, 11 Feb 2009 12:01:01 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12672610#action_12672610
] 

Steve Loughran commented on HADOOP-5201:
----------------------------------------

I should add that I'd like this feature purely for better logging; no plans to rethrow them.
If this is also what Santhosh wants, we don't need to do the tricks of creating a new Throwable
chain, just have a general purpose writeable representation of an exception. 

This my SOAP stack equivalent
http://smartfrog.svn.sourceforge.net/viewvc/smartfrog/trunk/projects/alpine/prototype/M32/src/java/org/smartfrog/projects/alpine/faults/

> getDiagnostics in TaskReport should return exceptions
> -----------------------------------------------------
>
>                 Key: HADOOP-5201
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5201
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Santhosh Srinivasan
>
> Currently, getDiagnostics() returns Strings. When exceptions are thrown in user code
and/or Hadoop, it would be cleaner to propagate the exception back to the application for
better error handling. Hadoop should return the exceptions instead of returning string representations
that correspond to printStackTrace() output.

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