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https://issues.apache.org/jira/browse/HADOOP-6408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12797129#action_12797129
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Steve Loughran commented on HADOOP-6408:
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Looks good to me, nice tests. I'm not sure you are meant to use 1L for a serial 
version uid, but then it's only to shut the compiler up. 

+1

> Add a /conf servlet to dump running configuration
> -------------------------------------------------
>
>                 Key: HADOOP-6408
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6408
>             Project: Hadoop Common
>          Issue Type: New Feature
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.22.0
>
>         Attachments: hadoop-6408.txt, hadoop-6408.txt, hadoop-6408.txt, 
> hadoop-6408.txt, hadoop-6408.txt, hadoop-6408.txt, hadoop-6408.txt, 
> hadoop-6408.txt
>
>
> HADOOP-6184 added a command line flag to dump the running configuration. It 
> would be great for cluster troubleshooting to provide access to this as a 
> servlet, preferably in both JSON and XML formats. But really, any format 
> would be better than nothing. This should/could go into all of the daemons.

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