​Configure Sqldeveloper with DDM to connect Hive2, as follows:

1. Copy & Paste the GenericJDBC.jar to the Sqldeveloper client location under Client Lib directory
2. Edit the Sqldeveloper.conf file with the GenericJDBC.jar location
3. Provide the Hive2 server details in the Sqldeveloper client and not the DDM.