无法连接数据源：/未命名-0，具体原因：Communications link failureThe last packet successfully received from the server was 1 milliseconds ago. The last packet sent successfully to the server was 1 milliseconds ago.。Received fatal alert: protocol_version 作者: yhdata_PWTpbFd6 时间: 2022-5-18 14:39
用自定义驱动会报错
无法连接数据源：/未命名-0，具体原因：The server time zone value '�й���ʱ��' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.。作者: speedy 时间: 2022-5-18 14:48 https://blog.csdn.net/qq_41570658/article/details/107973884 请参考
