Establishing SSL connection without server's identity verification is not recommended.需指明是否需要ＳＳＬ连接

配置数据库datasource:url时后面加上　useSSL=true 或者　fasle

爆红的错误提示中有提到：

 url: jdbc:mysql://localhost:3306/netdisk?useUnicode=true&characterEncoding=utf8&characterSetResults=utf8&useSSL=true