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From "Shixiong Zhu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-15395) Use getHostString to create RpcAddress
Date Thu, 19 May 2016 00:28:12 GMT
Shixiong Zhu created SPARK-15395:
------------------------------------

             Summary: Use getHostString to create RpcAddress
                 Key: SPARK-15395
                 URL: https://issues.apache.org/jira/browse/SPARK-15395
             Project: Spark
          Issue Type: Bug
    Affects Versions: 1.6.1, 1.6.0, 2.0.0
            Reporter: Shixiong Zhu
            Assignee: Shixiong Zhu


Right now the netty RPC uses `InetSocketAddress.getHostName` to create `RpcAddress` for network
events. If we use an IP address to connect, then the RpcAddress's host will be a host name
(if the reverse lookup successes) instead of the IP address. However, some places need to
compare the original IP address and the RpcAddress in `onDisconnect` (e.g., CoarseGrainedExecutorBackend),
and this behavior will make the check incorrect.

The correct way is using `getHostString`.



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