Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/3703
@joan - I actually agree with you. We needed to use "flakka" to be able to
support Java 7 and bind to a wildcard address (across interfaces).
Would be great to be able to do that differently and not have a custom akka
build (at least for Java 8 / Scala 2.11 / 2.12)
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