Glue data connector build from AWS RDS failed with ''InvalidInputException: Unable to resolve any valid connection"

Hi

I been create Glue Data Connector using its AWS RDS option and I also create proper IAM role, that have full access to "rds-data", "s3" and "glue"

but whenever I tried to connect (using test connection) it show me error message "InvalidInputException: Unable to resolve any valid connection" the message have no clue to guess the reason, and no single log created CloudWatch.

by checking [document] I also make RDS security group InBound, OutBound all TCP self-referencing