Github user sachingoel0101 commented on the pull request:
https://github.com/apache/flink/pull/1338#issuecomment-155084660
@rmetzger. Ah yes. Figured it out. You must be testing on the yarn rm proxy
page I assume. Apparently, `POST` requests are not allowed through the proxy to
AMs. I forgot to mention this in the description. If you know of a config entry
to `yarn-site.xml` which can allow this, please let me know.
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