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https://issues.apache.org/jira/browse/MAPREDUCE-2863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149827#comment-13149827
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Hitesh Shah commented on MAPREDUCE-2863:
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Regarding the json output for 
http://virt09-pv1.tgraves.pool.corp.sp2.yahoo.com:8088/ws/v1/cluster/apps, it 
looks like the output is for a single app and not all the apps. Just wanted to 
ensure that the output should always be an array with root elem apps nesting an 
array of app objects so that the handler for that request's output would not 
need to change based on no. of elements in the response. 
                
> Support web-services for RM & NM
> --------------------------------
>
>                 Key: MAPREDUCE-2863
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2863
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2, nodemanager, resourcemanager
>            Reporter: Arun C Murthy
>            Assignee: Thomas Graves
>         Attachments: MAPREDUCE-2863.patch, nmoutput.txt, rmoutput.txt
>
>
> It will be very useful for RM and NM to support web-services to export 
> json/xml.

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