两种情况：
.数据库账号密码错误
.mysql挂了
相关文章
- 07-31The connection to the server 10.10.0.2:6443 was refused - did you specify the right host or port?
- 07-31The connection to the server localhost:8080 was refused - did you specify the right host or port?
- 07-31python – 为什么gevent.socket会破坏multiprocessing.connection的auth
- 07-31docker中进行IDA远程调试提示“TRACEME: Operation not permitted[1] Closing connection from 192.168.109.1...”的解决方
- 07-31socket.io中 connect与connection的区别
- 07-31flutter 运行到chrome报错：SocketException: OS Error: Connection refused, errno = 61, address = localhost,
- 07-31Refused to execute script from ......../demo/bootstrap.css' because its MIME type ('text/c
- 07-311 Refused to display ‘url’ in a frame because it set 'X-Frame-Options' to 'sameorigi
- 07-31urllib2.URLError:
- 07-31BindsNET学习系列 ——Connection