@ddrillic have you tried the driver from the following post for DB Connect 3?
https://answers.splunk.com/answers/665976/mongodb-jdbc-driver-for-db-connect-312-not-working.html
Documentation for unsupported JDBC Drivers: https://docs.splunk.com/Documentation/DBX/latest/DeployDBX/Installdatabasedrivers#Add_the_custom_dat...
Other option would be to use your own custom REST TA as called out in the following answer: https://answers.splunk.com/answers/616324/ways-to-index-mongodb-data-in-splunk.html
@ddrillic have you tried the driver from the following post for DB Connect 3?
https://answers.splunk.com/answers/665976/mongodb-jdbc-driver-for-db-connect-312-not-working.html
Documentation for unsupported JDBC Drivers: https://docs.splunk.com/Documentation/DBX/latest/DeployDBX/Installdatabasedrivers#Add_the_custom_dat...
Other option would be to use your own custom REST TA as called out in the following answer: https://answers.splunk.com/answers/616324/ways-to-index-mongodb-data-in-splunk.html
Much appreciated @niketnilay