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Posted to dev@hive.apache.org by "Prasanth Jayachandran (Jira)" <ji...@apache.org> on 2021/02/16 11:52:00 UTC

[jira] [Created] (HIVE-24786) JDBC HttpClient should retry for idempotent and unsent http methods

Prasanth Jayachandran created HIVE-24786:
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             Summary: JDBC HttpClient should retry for idempotent and unsent http methods
                 Key: HIVE-24786
                 URL: https://issues.apache.org/jira/browse/HIVE-24786
             Project: Hive
          Issue Type: Bug
    Affects Versions: 4.0.0
            Reporter: Prasanth Jayachandran
            Assignee: Prasanth Jayachandran


When hiveserver2 is behind multiple proxies there is possibility of "broken pipe", "connect timeout" and "read timeout" exceptions if one of the intermediate proxies or load balancers decided to reset the underlying tcp socket after idle timeout. When the connection is broken and when the a query is submitted after idle timeout from beeline (or client) perspective the connection is open but http methods (POST/GET) fails with socket related exceptions. Since these methods are not sent to the server these are safe for client side retries. 



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