Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/2455
I think the subject line of this PR is a little bit misleading. The
`RpcService` won't return the same gateway object upon calling `connect` with
the same parameters. But the returned gateways are equal with respect to
`equals` and `hashCode`.
Maybe the JIRA and the PR subject line should be corrected to better
reflect the actual changes.
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