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https://issues.apache.org/jira/browse/HIVE-22563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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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!



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