Shixiong Zhu created SPARK-10827:
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             Summary: AppClient should not use `askWithReply` in 
`receiveAndReply` directly
                 Key: SPARK-10827
                 URL: https://issues.apache.org/jira/browse/SPARK-10827
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
            Reporter: Shixiong Zhu


`askWithReply` is a blocking action and it could block the message loop. We 
should not call it in `receiveAndReply` directly. It's better to use them in a 
separate thread pool.



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