Establishing SSL connection without server ' s identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL

Because the MySQL version is too high to create a connection, the following report appears

Workaround: Add &usessl=true on the MySQL connection

As follows: Jdbc:mysql:///:3366:test?useunicode=true&characterencoding=utf-8&usessl=true

SSL is an encryption technique that is encrypted in the middle of the client connection database, in the TCP/IP layer.

Establishing SSL connection without server ' s identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL