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From Arkady Borkovsky <ark...@yahoo-inc.com>
Subject Re: [jira] Created: (HADOOP-553) DataNode and NameNode main() should catch and report exceptions.
Date Thu, 28 Sep 2006 16:08:35 GMT
Should this be true (main() calls and reports exceptions) for all 
system components? Especially for user-facing ones like hadoop client?


On Sep 20, 2006, at 3:31 PM, Konstantin Shvachko (JIRA) wrote:

> DataNode and NameNode main() should catch and report exceptions.
> ----------------------------------------------------------------
>
>                  Key: HADOOP-553
>                  URL: http://issues.apache.org/jira/browse/HADOOP-553
>              Project: Hadoop
>           Issue Type: Bug
>           Components: dfs, mapred
>     Affects Versions: 0.6.2
>             Reporter: Konstantin Shvachko
>
>
> Right now we do not know what happened during startup failure,
> because there no records in the logs.
> I propose to change main() so that it would catch exceptions and
> log them rather then throwing them into std out.
> May be the same should be done for the JobTracker.
> The TaskTracker.main() catches at least the IOException.
>
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