[08S01]Communications link failure

问题

IDEA Datebase 突然查询数据库失败，提示08S01错误

`[08S01]
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.

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.
`

解决

搜到的一些方法是更换驱动或者修改配置，但是我这之前是正常连接的应该和这些问题不大，最后发现是代理软件开了全局代理。这种类似问题经常遇到，找了问题发现是代理的问题