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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HAMA-39) Defining exception policies
Date Thu, 21 Aug 2008 15:18:46 GMT

    [ https://issues.apache.org/jira/browse/HAMA-39?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12624393#action_12624393
] 

Edward J. Yoon commented on HAMA-39:
------------------------------------

How about OperationException instead of ComputationException?

> Defining exception policies 
> ----------------------------
>
>                 Key: HAMA-39
>                 URL: https://issues.apache.org/jira/browse/HAMA-39
>             Project: Hama
>          Issue Type: Improvement
>          Components: interface
>            Reporter: Edward J. Yoon
>             Fix For: 0.1.0
>
>
> Each operations should have a throws clause.
> ----
> In class AbstractMatrix, the exception will be catch to call only LOG.error.
> I would like to discuss a bit more on this issue that how the system
> should do when an exception is thrown.
> But I don't think only logging an error is not enough.
> 1. re-throw the exception. This needs changes of the interface,
> probably we could have the new ComputationException class, or
> something.
> 2. throw a runtime expection, and of course JVM will die here.
> Regards,
> Chanwit

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