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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3148) allow CORS related headers to passthrough in WebAppProxyServlet
Date Fri, 08 May 2015 18:56:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-3148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14535261#comment-14535261
] 

Varun Saxena commented on YARN-3148:
------------------------------------

One extra warning added. Will upload a new patch

> allow CORS related headers to passthrough in WebAppProxyServlet
> ---------------------------------------------------------------
>
>                 Key: YARN-3148
>                 URL: https://issues.apache.org/jira/browse/YARN-3148
>             Project: Hadoop YARN
>          Issue Type: Improvement
>    Affects Versions: 2.7.0
>            Reporter: Prakash Ramachandran
>            Assignee: Varun Saxena
>              Labels: BB2015-05-RFC
>         Attachments: YARN-3148.001.patch, YARN-3148.02.patch, YARN-3148.03.patch
>
>
> currently the WebAppProxyServlet filters the request headers as defined by  passThroughHeaders.
Tez UI is building a webapp which using rest api to fetch data from the am via the rm tracking
url. 
> for this purpose it would be nice to have additional headers allowed especially the ones
related to CORS. A few of them that would help are 
> * Origin
> * Access-Control-Request-Method
> * Access-Control-Request-Headers



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