Github user tzulitai commented on the issue:
https://github.com/apache/flink/pull/6043
@cjolif do you think it would be possible that with a clean cut using a
REST implementation, we no longer need to have separate modules anymore for ES
6.x, 7.x, 8.x or so on?
i.e., it would only be a matter for the user of recompiling that REST-based
implementation with a different ES client version.
If no, then I would still prefer that we continue with the current approach
this PR is proposing, since we need this fix in to have Elasticsearch 5.3+
working anyways.
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