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https://issues.apache.org/jira/browse/MAPREDUCE-2863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13162816#comment-13162816
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Thomas Graves commented on MAPREDUCE-2863:
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{quote}
General question on absent applications - querying for an absent app i.e. say
http://RM:8088/proxy/application_1323054018624_0004/ws/v1/mapreduce/info -
returns a 500 with a stack trace instead of a 404. From an api spec point of
view, this is not really an error but just a not found.
{quote}
This is occurring in the proxy, and as stated above the proxy needs to be fixed
to handle the webservices calls properly. If you remove the
/ws/v1/mapreduce/info prefix it does the same thing so its really a generic
proxy bug.
> 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
> Affects Versions: 0.23.0
> Reporter: Arun C Murthy
> Assignee: Thomas Graves
> Priority: Blocker
> Attachments: MAPREDUCE-2863.patch, MAPREDUCE-2863.patch,
> MAPREDUCE-2863.patch, MAPREDUCE-2863.patch, MAPREDUCE-2863.patch,
> MAPREDUCE-2863.patch, MAPREDUCE-2863.patch, amoutput.txt, appoutput.txt,
> hsoutput.txt, nmoutput.txt, nmoutput.txt, nmoutput.txt, rmoutput.txt,
> rmoutput.txt, rmoutput.txt
>
>
> It will be very useful for RM and NM to support web-services to export
> json/xml.
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