AaronLeon commented on issue #2861: NIFI-5248 Added new Elasticsearch json and record processors. URL: https://github.com/apache/nifi/pull/2861#issuecomment-468445345 @MikeThomsen Good point about types; even a low-level client wouldn't truly eliminate the need for version-aware components as the user would still need to configure the "type" according to whether they are using ES 7.X+. But still there would be the benefit of not needing to create an Elasticsearch rest-api NAR per major version. Although the code here was tested against ES 6.6, AFAIK the 5.6.x high-level client is not guaranteed to be compatible with 6.x+ clusters, so the implementation in this PR may or may not work with ES 6.x, 7.x or eventually 8.x. As long as this risk is understood, everything else checks out and I think is a good step to supporting ES long-term.
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