Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/2401
Thanks for your contribution @wenlong88. Your changes look good to me. I
only had a comment concerning the `NativeMethod` annotation. I think that at
the moment we could get along without it by considering all `RpcGateway`
methods implicitly native. That would simplify decrease the complexity a little
bit because we can get rid of/not introduce another annotation. What do you
think?
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