错误的MySQL连接的通过对系统的.NET连接器开始

我收到以下错误错误的MySQL连接的通过对系统的.NET连接器开始

MySql.Data.MySqlClient.MySqlException (0x80004005): Unable to connect to any of the specified MySQL hosts. ---> System.Net.Sockets.SocketException (0x80004005): A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 111.22.3.44:3306 
    at System.Net.Sockets.Socket.EndConnect(IAsyncResult asyncResult) 
    at MySql.Data.Common.MyNetworkStream.CreateSocketStream(MySqlConnectionStringBuilder settings, IPAddress ip, Boolean unix) 
    at MySql.Data.Common.MyNetworkStream.CreateStream(MySqlConnectionStringBuilder settings, Boolean unix) 
    at MySql.Data.Common.StreamCreator.GetTcpStream(MySqlConnectionStringBuilder settings) 
    at MySql.Data.MySqlClient.NativeDriver.Open() 
    at MySql.Data.MySqlClient.NativeDriver.Open() 
    at MySql.Data.MySqlClient.Driver.Open() 
    at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) 
    at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnection() 
    at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() 
    at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver() 
    at MySql.Data.MySqlClient.MySqlPool.GetConnection() 
    at MySql.Data.MySqlClient.MySqlConnection.Open() 
    at CC.DataAccess.ConnectionManager.GetConnection()

我的数据库服务器是在CentOS配版25年6月5日我使用.NET 4.5与mysqlconnecot 6.9.7 。有其他人面临这个问题

来源

2015-10-28 Kamran Shahid