[ http://issues.apache.org/jira/browse/HADOOP-327?page=all ]
Doug Cutting resolved HADOOP-327:
---------------------------------
Resolution: Fixed
I just committed this. Thanks, Hairong.
David: you are right, implementations of the Tool interface can throw more
precise exceptions.
> ToolBase calls System.exit
> --------------------------
>
> Key: HADOOP-327
> URL: http://issues.apache.org/jira/browse/HADOOP-327
> Project: Hadoop
> Type: Bug
> Components: util
> Versions: 0.4.0
> Reporter: Owen O'Malley
> Assignee: Hairong Kuang
> Fix For: 0.5.0
> Attachments: exit.patch, exit.patch
>
> The new ToolBase class calls System.exit when the main routine finishes. That
> will break if the application uses threads that need to finish before the jvm
> exits. The normal semantics is that the program doesn't finish execution
> until all of the non-daemon threads exit (including the main one) and
> System.exit should never be called except for critical errors.
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