Till Rohrmann created FLINK-15911:
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Summary: Flink does not work over NAT
Key: FLINK-15911
URL: https://issues.apache.org/jira/browse/FLINK-15911
Project: Flink
Issue Type: Bug
Components: Runtime / Coordination
Affects Versions: 1.10.0
Reporter: Till Rohrmann
Fix For: 1.11.0
Currently, it is not possible to run Flink over network address translation.
The problem is that the Flink processes do not allow to specify separate bind
and external ports. Moreover, the {{TaskManager}} tries to resolve the given
{{taskmanager.host}} which might not be resolvable. This breaks NAT or docker
setups where the external address is not resolvable from within the
container/internal network.
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