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Posted to yarn-dev@hadoop.apache.org by "Prakash Ramachandran (JIRA)" <ji...@apache.org> on 2015/02/05 19:14:34 UTC

[jira] [Created] (YARN-3148) allow CORS related headers to passthrough in WebAppProxyServlet

Prakash Ramachandran created YARN-3148:
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             Summary: 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
            Reporter: Prakash Ramachandran


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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