No meaningful message provided when oracle driver is missing

connect_1    | [2021-03-10 13:59:52,027] INFO Failed testing connection for {connector.class=io.debezium.connector.oracle.OracleConnector, database.user=c##dbzuser, database.dbname=ORCLCDB, database.connection.adapter=logminer, database.pdb.name=ORCLPDB1, tasks.max=1, database.history.kafka.topic=schema-changes.inventory, database.history.kafka.bootstrap.servers=kafka:9092, database.server.name=server1, database.port=1521, database.hostname=172.18.0.5, database.password=********, name=inventory-connector} with user '[database.user,null,[],[],true]' (io.debezium.connector.oracle.OracleConnector:78)