为啥就是连不上我的数据库呢？

在宝塔里新建了数据库，端口放行

可是连接的时候还是提示
timeout of 10000ms exceeded

难道是连接3306端口？不是888？

Datasource is invalid: 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.