[jira] [Created] (FLINK-5176) Properly wait for component shutdown in Runner components

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-5176:
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             Summary: Properly wait for component shutdown in Runner components
                 Key: FLINK-5176
                 URL: https://issues.apache.org/jira/browse/FLINK-5176
             Project: Flink
          Issue Type: Improvement
          Components: Distributed Coordination
            Reporter: Till Rohrmann
            Priority: Minor


Currently, the different runners for the Flip-6 components {{JobMaster}}, {{ResourceManager}} and {{TaskExecutor}} don't wait until the component has been shut down in their own {{shutDown}} method. The problem is that the {{AkkaRpcService}} implements the {{RpcService#shutDown}} method via a {{PoisonPill}} which is not executed synchronously. Instead we should obtain the {{RpcEndpoint#getTerminationFutures}} and wait on the returned future (with a given timeout).



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