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ZhangZhiCheng updated HIVE-22563: --------------------------------- Description: I try to connect to hive server 1.2.1 by using hive client (hive-jdbc-2.3.6.jar) , then I got this issue "Required field 'client_protocol' is unset". Is that means hive server 1.2.1 has no backward compatibility for newer hive client version? !image-2019-11-29-10-20-46-982.png! was: I try to connect to hive server 1.2.1 by using hive client (hive-jdbc-2.3.6.jar) , then I got this issue "Required field 'client_protocol' is unset". is that means hive server 1.2.1 has no backward compatibility for newer hive client version? !image-2019-11-29-10-20-46-982.png! > Required field 'client_protocol' is unset (hive server backward compatibility) > ------------------------------------------------------------------------------ > > Key: HIVE-22563 > URL: https://issues.apache.org/jira/browse/HIVE-22563 > Project: Hive > Issue Type: Bug > Components: Hive > Affects Versions: 1.2.1, 2.3.6 > Reporter: ZhangZhiCheng > Priority: Blocker > Attachments: image-2019-11-29-10-20-46-982.png > > > I try to connect to hive server 1.2.1 by using hive client > (hive-jdbc-2.3.6.jar) , then I got this issue "Required field > 'client_protocol' is unset". Is that means hive server 1.2.1 has no backward > compatibility for newer hive client version? > !image-2019-11-29-10-20-46-982.png! -- This message was sent by Atlassian Jira (v8.3.4#803005)