Server Error in '/' Application.

Host '172.16.18.112' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: MySql.Data.MySqlClient.MySqlException: Host '172.16.18.112' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'

Source Error:


Line 193:
Line 194:        GSC.ApplicationServices.IVisiter ivisit = new GSC.ApplicationServices.Visiter();
Line 195:        ivisit.SetVisiter();
Line 196:    }
Line 197:

Source File: d:\SAP\dsdw\Global.asax    Line: 195

Stack Trace:


[MySqlException (0x80004005): Host '172.16.18.112' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts']
   MySql.Data.MySqlClient.MySqlStream.ReadPacket() +306
   MySql.Data.MySqlClient.NativeDriver.Open() +253
   MySql.Data.MySqlClient.Driver.Open() +22
   MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) +224
   MySql.Data.MySqlClient.MySqlPool..ctor(MySqlConnectionStringBuilder settings) +174
   MySql.Data.MySqlClient.MySqlPoolManager.GetPool(MySqlConnectionStringBuilder settings) +118
   MySql.Data.MySqlClient.MySqlConnection.Open() +629
   GSC.Domain.Infras.Db.CommandDb.ExecuteNonQuery(String sql, List`1 parms, CommandType commandType) +109
   GSC.ApplicationServices.Visiter.SetVisiter() +263
   ASP.global_asax.Session_Start(Object sender, EventArgs e) in d:\SAP\dsdw\Global.asax:195
   System.Web.SessionState.SessionStateModule.RaiseOnStart(EventArgs e) +10073075
   System.Web.SessionState.SessionStateModule.CompleteAcquireState() +160
   System.Web.SessionState.SessionStateModule.BeginAcquireState(Object source, EventArgs e, AsyncCallback cb, Object extraData) +1095
   System.Web.AsyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +254
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +48
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +159


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0