Hi @AbhiJ ,

Looking at the error it appears the session is invalid/expired. 

The error usually occurs when the jdbc/odbc client re-accesses the cluster with the same session id after the idle session timeout threshold. Ideally restarting the client could be a workaround. Also you can set the following property into the Spark Config of the cluster.```spark.hadoop.hive.server2.idle.session.timeout```
The default value is 900000 - 15minutes (and you mentioned it happens after 20 min)

Restarting the client will help.

Please let me know if that helps. 

Thanks!