Github user static-max commented on the issue:
https://github.com/apache/flink/pull/2861
@tzulitai OK, if you need any help feel free to ask.
Are there plans to switch from the TransportClient to a pure HTTP client?
That would reduce the Elasticsearch dependencies and would decouple the
cluster's version from the TransportClient version used by Flink. In that case
we won't get a Throwable anymore.
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