[jira] [Created] (MESOS-7974) Accept "application/recordio" type is rejected for master operator API SUBSCRIBE call

["James DeFelice (JIRA)" <ji...@apache.org>]

James DeFelice created MESOS-7974:
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             Summary: Accept "application/recordio" type is rejected for master operator API SUBSCRIBE call
                 Key: MESOS-7974
                 URL: https://issues.apache.org/jira/browse/MESOS-7974
             Project: Mesos
          Issue Type: Bug
    Affects Versions: 1.2.1
            Reporter: James DeFelice


The agent operator API supports for "application/recordio" for things like attach-container-output, which streams objects back to the caller. I expected the master operator API SUBSCRIBE call to work the same way, w/ Accept/Content-Type headers for "recordio" and Message-Accept/Message-Content-Type headers for json (or protobuf). This was not the case.

Looking again at the master operator API documentation, SUBSCRIBE docs illustrate usage Accept and Content-Type headers for the "application/json" type. Not a "recordio" type. So my experience, as per the docs, seems expected. However, this is counter-intuitive since the whole point of adding the new Message-prefixed headers was to help callers consistently request (and differentiate) streaming responses from non-streaming responses in the v1 API.

Please fix the master operator API implementation to also support the Message-prefixed headers w/ Accept/Content-Type set to "recordio".

Observed on ubuntu w/ mesos package version 1.2.1-2.0.1



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