[jira] [Created] (FLINK-4847) Let RpcEndpoint.start/shutDown throw exceptions

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-4847:
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             Summary: Let RpcEndpoint.start/shutDown throw exceptions
                 Key: FLINK-4847
                 URL: https://issues.apache.org/jira/browse/FLINK-4847
             Project: Flink
          Issue Type: Sub-task
          Components: Distributed Coordination
            Reporter: Till Rohrmann


The {{RpcEndpoint.start}} and {{RpcEndpoint.shutDown}} methods should be allowed to throw exceptions if things go wrong. Otherwise, exceptions will be given to a callback which handles them later, even though we know that we can fail the components right away (as it is the case for the {{TaskExectuor}}, for example).



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