Zili Chen created FLINK-15297:
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Summary: Do not throw exception if YARN Application switched to
FINISHED immediately after deployed in YarnClusterDescriptor#startAppMaster
Key: FLINK-15297
URL: https://issues.apache.org/jira/browse/FLINK-15297
Project: Flink
Issue Type: Bug
Components: Deployment / YARN
Reporter: Zili Chen
Assignee: Zili Chen
Currently we throw an exception in {{YarnClusterDescriptor#startAppMaster}} if
we first detect {{FINISHED}} before {{RUNNING}}. However, it is possible a
legal state that the application finished normally immediately.
Right now we always try to connect the Dispatcher so it may be fine to throw
the exception a bit earlier(otherwise when connect to a closed cluster an
exception thrown also), but it is semantically wrong. Internally we have a code
path that only required to report the ApplicationReport and it causes trouble.
cc [~trohrmann] what do you think?
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