The hostname or IP address of the Hive server. ZooKeeper: The driver discovers Hive Server 2 services using the ZooKeeper service.No Service Discovery (default): The driver connects to Hive server without using the ZooKeeper service.This field is enabled only if Hive Server Type is Hive Server 2. Hive Server 2: The driver connects to a Hive Server 2 instance.Hive Server 1 (default): The driver connects to a Hive Server 1 instance.