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From "Jonathan Eagles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4009) CORS support for ResourceManager REST API
Date Wed, 16 Sep 2015 22:41:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-4009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14791251#comment-14791251
] 

Jonathan Eagles commented on YARN-4009:
---------------------------------------

I have reviewed the patch and have run with the timeline cross origin filter for a long time
now. From a usage concern, Cross origin support is only needed for browser running javascript
that reaches out to web services. Is there a need to allow the design to enable this only
for webservices (REST APIs) instead of the whole webserver (builtin UIs and REST apis)? Also,
seconding [~hitesh]'s comment regarding turning this on per service. Patch looks good other
that these design questions.

> CORS support for ResourceManager REST API
> -----------------------------------------
>
>                 Key: YARN-4009
>                 URL: https://issues.apache.org/jira/browse/YARN-4009
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Prakash Ramachandran
>            Assignee: Varun Vasudev
>         Attachments: YARN-4009.001.patch, YARN-4009.002.patch, YARN-4009.003.patch, YARN-4009.004.patch
>
>
> Currently the REST API's do not have CORS support. This means any UI (running in browser)
cannot consume the REST API's. For ex Tez UI would like to use the REST API for getting application,
application attempt information exposed by the API's. 
> It would be very useful if CORS is enabled for the REST API's.



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