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From "Robert Joseph Evans (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7425) ReflectionUtils.setConf would configure anything Configurable twice
Date Fri, 17 Feb 2012 17:44:01 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Joseph Evans updated HADOOP-7425:
----------------------------------------

    Status: Open  (was: Patch Available)

The latest test patch failed.  Also the patch is rather old, and will need to be upmerged
to apply to trunk.
                
> ReflectionUtils.setConf would configure anything Configurable twice
> -------------------------------------------------------------------
>
>                 Key: HADOOP-7425
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7425
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 0.23.0, 0.21.0
>            Reporter: steven zhuang
>              Labels: patch
>         Attachments: HADOOP-7425.patch, test.tar
>
>
> In  the setConf method of org.apache.hadoop.util.ReflectionUtils, any instance of Configurable
would be configured twice.
> In 0.21.0, KeyFieldBasedPartitioner implements the Configurable interface. When configured
twice, it get two KeyDescription and gives out wrong partition number. 
> public static void setConf(Object theObject, Configuration conf) {
>     if (conf != null) {
>       if (theObject instanceof Configurable) {
>         ((Configurable) theObject).setConf(conf);
>       }
>       setJobConf(theObject, conf);
>     }
>   }

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