Java connection mysql--establishing SSL connection without server ' s identity verification is not recommended.

　　Establishing SSL connection without server ' s identity verification is not recommended.

This error occurs because of the MySQL version problem, different MySQL for SSL usage is not the same, try not to use SSL connection. Here's how to do it.

URLs that are accessed under normal conditions

String url = "JDBC:MYSQL://192.168.61.123:3306/CPC";

Corrected URL

String url = "Jdbc:mysql://192.168.61.123:3306/cpc?usessl=false";

That is, SSL is not used.

Java connection mysql--establishing SSL connection without server ' s identity verification is not recommended.