MySQL Connector/J 8.0 Release Notes
MySQL Connector/J 8.1 Release Notes
MySQL Connector/J Release Notes
JSSE provides debugging information to
stdout when you set the system property
-Djavax.net.debug=all. Java then tells you
what keystores and truststores are being used, as well as what
is going on during the SSL handshake and certificate exchange.
That will be helpful when you are trying to debug a failed SSL
connection.