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https://issues.apache.org/jira/browse/OOZIE-1777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryota Egashira updated OOZIE-1777:
----------------------------------

    Attachment: OOZIE-1777.patch

reason is that both rootLogger and pig logger trying to write log, and this can 
be avoided by set additivity property to false.   I verified using Y! setting 
and confirmed that this patch solves duplication, also not missing any logging 
info previously there.

> duplicated log message in Pig launcher's stdout
> -----------------------------------------------
>
>                 Key: OOZIE-1777
>                 URL: https://issues.apache.org/jira/browse/OOZIE-1777
>             Project: Oozie
>          Issue Type: Bug
>            Reporter: Ryota Egashira
>            Assignee: Ryota Egashira
>         Attachments: OOZIE-1777.patch
>
>
> pig action launcher's tasklog show duplicated log message.
> {code}
> 2014-04-03 21:55:05,857 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
>   - 83% complete
> 2014-04-03 21:55:05,857 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
>   - 83% complete
> .....
> {code}



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