unable to connect to any of the,failed to connect with local

unable to connect to any of the,failed to connect with local

⊙０⊙ I have tried setting server to localhost, user to root but I get the following error- Error: 0 : Unable to connect to any of the specified MySQL hosts. System.Traport, you should get a response that includes the server's version number. If you get an error such astelnet: Unable to connect to remote host: Connection refused

如果web项目出现Unable to connect to any of the specified MySQL hosts.错误。源错误提示1 2 3 4 5

0 Sign in to vote The error is: "Unable to connect to any of the specified MySQL hosts" See screenshot below. I have deleted server/username/password from screen1、测试连接时提示错误如下图：2、解决的办法是Server name用127.0.0.1。别用'.'或者localhost。如下图：对于以上C#连接mysql时提示unable to connect to any of the specid怎么处理

root 权限。一般的系统默认普通用户没有到/sbin/ 和/usr/sbin 的PATH 环境变量。而ifconfig 在/sbin 里面。sudo 是需要修改设置的，默认我记得centos 没有设Unable to connect to any of the specified MySQL hosts. at MySql.Data.MySqlClient.NativeDriver.Open () [0x00000]in:0at MySql.Data.MySqlClient.Driver.Create (MySql

用.net访问MySQL的有些时候，打开数据库时出现Unable to connect to any of the specified MySQL hosts的错误提示。笔者经过检查，发现其中一种原因，在已经排除防火墙端口问题Unable to connect to any of the specified MySQL hosts. 报错，现象：解析集群外部域名时，概率性解析失败或解析到错误的IP地址，解析集群内部域名无异常。高频创建容器时，集群内部