Canbin Zheng created FLINK-17231:
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Summary: Deprecate possible implicit fallback from LB to NodePort
When retrieving Endpoint of LB Service
Key: FLINK-17231
URL: https://issues.apache.org/jira/browse/FLINK-17231
Project: Flink
Issue Type: Sub-task
Components: Deployment / Kubernetes
Affects Versions: 1.10.0, 1.10.1
Reporter: Canbin Zheng
Fix For: 1.11.0
Currently, if people use the LB Service, when it comes to retrieving the
Endpoint for the external Service, we make an implicit fallback immediately to
return the NodePort address and port if we fail to get the LB address in a
single try. This kind of toleration can confuse the users since the NodePort
address/port maybe unaccessible due to some reasons like network security
policy, and the users may not know what really happen behind.
This ticket proposes to always return the LB address/port otherwise throw an
Exception indicating that the LB is unready or abnormal.
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