Github user MikeThomsen commented on the issue:
https://github.com/apache/nifi/pull/2619
@mattyb149 @ijokarumawak @bbende I built on the schema registry service to
add a new option for NoSQL options like Mongo, ES, Solr, etc. to just throw
JSON in `Map` form and say "you figure it out." Please take a look at the new
schema code when you get a chance.---
