在连接配置列表页选择MySQL的数据库连接点击测试报错。

问题描述

异常信息：

Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.　

// 原因：Unsupported record version Unknown-0.0

解决方法

在MySQL连接配置的字符集中增加配置项，如下图。