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https://issues.apache.org/jira/browse/MAPREDUCE-2006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved MAPREDUCE-2006.
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Resolution: Incomplete
Likely stale.
> Gridmix can emit better error messages instead of throwing Exceptions
> ---------------------------------------------------------------------
>
> Key: MAPREDUCE-2006
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2006
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/gridmix
> Reporter: Ravi Gummadi
>
> Gridmix throws Exceptions (including those that come from mapreduce jobs)
> when there are some issues like
> (1) ioPath already exists and -generate option is given
> (2) when -generate option is given, ioPath (a) doesn't exist (b) exists but
> with wrong permissions
> (3) gridmix.output.directory path already exists
> (4) gridmix.min.file.size is > the size specified as option to -generate
> etc.
> These can be validated early and provide proper error messages to the user of
> gridmix.
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