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https://issues.apache.org/jira/browse/YARN-2031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14307443#comment-14307443
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Steve Loughran commented on YARN-2031:
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-1
This was returning 307 everywhere; it should remain 302 on the GET/HEAD
operations, in case clients are only handling that.
YARN-3147 cleans up the code prior to being HTTP-verb aware; the
{{sendRedirect()}} method in this issue's -001 patch was used as the basis for
the {{ProxyUtils}} version there —that one only sets 302, but adds generation
of output text on all responses.
Once that's in the proxy and filter can start to handle complex verbs
> YARN Proxy model doesn't support REST APIs in AMs
> -------------------------------------------------
>
> Key: YARN-2031
> URL: https://issues.apache.org/jira/browse/YARN-2031
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 2.4.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Attachments: YARN-2031.patch.001
>
>
> AMs can't support REST APIs because
> # the AM filter redirects all requests to the proxy with a 302 response (not
> 307)
> # the proxy doesn't forward PUT/POST/DELETE verbs
> Either the AM filter needs to return 307 and the proxy to forward the verbs,
> or Am filter should not filter a REST bit of the web site
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