mysql8.x版本的数据库在连接的时候报错java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed
只要在url的后边加上allowPublicKeyRetrieval=true即可
jdbc:mysql://localhost:3306/test?serverTimezone=GMT&allowPublicKeyRetrieval=true&useSSL=false&characterEncoding=utf-8;