The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received
环境:jdk1.80_311mysql5.7(远程)MysqlConnector/J8.0.25现象:使用navicat连接myslq也是可以的,也能操作数据(CRUD)使用springboot项目-connectmysql会报错。但是不connectmysql则正常。解决方式:方法1:修改jdk版本到1.80_202及以下方法2:修改jdk1.80_311找到jdk1.8.0_311\jre\l