[jira] [Created] (PHOENIX-5772) Remove the kerberos logic from thin client java code

["Istvan Toth (Jira)" <ji...@apache.org>]

Istvan Toth created PHOENIX-5772:
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             Summary: Remove the kerberos logic from thin client java code
                 Key: PHOENIX-5772
                 URL: https://issues.apache.org/jira/browse/PHOENIX-5772
             Project: Phoenix
          Issue Type: Task
            Reporter: Istvan Toth
            Assignee: Istvan Toth


The thin client has logic for sqlline-thin that automatically enablies SPNEGO based on hbase and hadoop settings and whether or not the user is is logged into kerberos.

According to my analysis, this is the only feature that this code provides. 

When using the JAR as a JDBC driver, the kerberos code does not apply.

However, this feature depends on both hadoop and hbase, which carries the heavy cost bloating the thin client size and polluting its classpath.

I propose removing the the feature from the Java code, and potentially implementing it in the sqlline-thin startup script.

This would cut the JAR size by ~80%, and solve a lot of classpath problems for the users of the JDBC driver.

This is based on discussion with [~elserj] during the review of PHOENIX-5761



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