VenuReddy2103 opened a new pull request, #6492:
URL: https://github.com/apache/hive/pull/6492

   ### What changes were proposed in this pull request?
   Accept the user defined configuration for `hadoop.rpc.protection`
   
   ### Why are the changes needed?
   On a SSL + KERBEROS authentication enabled cluster, if 
`hadoop.rpc.protection` property on server side do not contain 
`authentication`, Hive Metastore and NameNode connection fails with 
`javax.security.sasl.SaslException: No common protection layer between client 
and server`.
   HMS overrides the `hadoop.rpc.protection` value to `authentication` if SSL 
is enabled. Thus, failing to establish connection.
   
   ### Does this PR introduce _any_ user-facing change?
   No
   
   ### How was this patch tested?
   Manual Testing
   


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