Stephan Ewen created FLINK-1559:
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Summary: Normalize all Akka URLs to use IP addresses, not hostnames
Key: FLINK-1559
URL: https://issues.apache.org/jira/browse/FLINK-1559
Project: Flink
Issue Type: Bug
Components: Distributed Runtime
Affects Versions: 0.9
Reporter: Stephan Ewen
Assignee: Stephan Ewen
Fix For: 0.9
Akka has the nasty property that it does not use IP addresses and hostnames
interchangeably.
Example: If the JobManager is started at
{{akka:tcp//flink@localhost:1234/user/JOBMANAGER}} and a job client actor tries
to send messages to {{akka:tcp//flink@127.0.0.1:1234/user/JOBMANAGER}}, the job
manager actor system will receive the messages, but throw them away, because
they are not destined for the actor system.
I am not sure whether this is a bug or a feature in akka, but we need to deal
with it. To be on the safe side, I suggest to build all akka URLs with ip
addresses. We can still use host names in our logic (connection infos, local
assignments, etc)
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