标题: 连接mysql 数据源报错 [打印本页] 作者: yhdata_35qdH9qo 时间: 2022-6-24 15:50 标题: 连接mysql 数据源报错 无法连接数据源：未命名-2，具体原因：Communications link failureThe last packet successfully received from the server was 8 milliseconds ago. The last packet sent successfully to the server was 7 milliseconds ago.。Received fatal alert: protocol_version