GitHub user cestella opened a pull request:

    https://github.com/apache/metron/pull/937

    METRON-1455: Patch and Replace methods in the REST UpdateController return 
400

    ## Contributor Comments
    Shading and relocating the jackson library had the unexpected behavior of 
breaking patch requests in the REST API.  The solution is that we moved the 
remaining patch functionality inside `JSONUtils` and stop relying on Jackson 
specific classes in our external API (e.g. `PatchRequest`).
    
    To exercise this behavior, from the alerts UI, click on an message and 
click "Escalate."  From the console ensure that the patch request returns a 200 
code rather than a 400 or 500 code.
    
    ## Pull Request Checklist
    
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    #### Note:
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You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/cestella/incubator-metron METRON-1455

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/metron/pull/937.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #937
    
----
commit cce8fda5557d9360e43de8a12443fa67d79e3681
Author: cstella <cestella@...>
Date:   2018-02-14T19:15:38Z

    METRON-1455: Patch and Replace methods in the REST UpdateController return 
400

----


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