Maximilian Michels commented on FLINK-2821:

Just out of fun, I actually tried that and got the release-2.3 branch to fully 
build with the patch applied. It applied almost cleanly with one very minor 

> Change Akka configuration to allow accessing actors from different URLs
> -----------------------------------------------------------------------
>                 Key: FLINK-2821
>                 URL: https://issues.apache.org/jira/browse/FLINK-2821
>             Project: Flink
>          Issue Type: Bug
>          Components: Distributed Coordination
>            Reporter: Robert Metzger
> Akka expects the actor's URL to be exactly matching.
> As pointed out here, cases where users were complaining about this: 
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Error-trying-to-access-JM-through-proxy-td3018.html
>   - Proxy routing (as described here, send to the proxy URL, receiver 
> recognizes only original URL)
>   - Using hostname / IP interchangeably does not work (we solved this by 
> always putting IP addresses into URLs, never hostnames)
>   - Binding to multiple interfaces (any local does not work. Still 
> no solution to that (but seems not too much of a restriction)
> I am aware that this is not possible due to Akka, so it is actually not a 
> Flink bug. But I think we should track the resolution of the issue here 
> anyways because its affecting our user's satisfaction.

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