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JDBC Resource Pools and Kerberos

Guy Shilo has a tip for us around JDBC connectivity when your Hadoop cluster is configured for Kerberos:

This is a quick tip about connecting to Hive or Impala via JDBC.

Accessing hive or impala using their JDBC driver is very convenient. Client programs s like beeline or Jetbrains DataGrip use it as the main way of accessing Hive/Impala and many people also use it in their own written programs.

Things get a little trickier when the cluster is kerberized. In this case you should add few extra parameters to the JDBC connect string.

Read on to see what to do.