Github user rick-cox commented on the issue:
https://github.com/apache/flink/pull/3223
Thanks for taking a look. Could you explain more? The modified code is in
the else branch of ```if (env instanceof RemoteStreamEnvironment)```, so my
assumption was that it only needed to work for local execution. (And that it
wouldn't have worked if used with remote execution before, because it just
selects the IP returned by DNS, which is often not the IP that a remote
taskmanager would need to use to reach the client --- hence the use of
```ConnectionUtils.findConnectingAddress``` in the remote case.)
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