Server Error in '/' Application.

等待的操作过时。

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: System.ComponentModel.Win32Exception: 等待的操作过时。

Source Error:


[No relevant source lines]

Source File: c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\7ce93e72\485f63b2\App_Web_hrq5mwao.0.cs Line: 0

Stack Trace:


[Win32Exception (0x80004005): 等待的操作过时。]

[SqlException (0x80131904): Connection Timeout Expired.  The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement.  This could be because the pre-login handshake failed or the server was unable to respond back in time.  The duration spent while attempting to connect to this server was - [Pre-Login] initialization=643; handshake=1414; ]
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +345
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +156
   System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +258
   System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +312
   System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +202
   System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +413
   System.Data.SqlClient.SqlConnection.Open() +128
   Ctmon.Data.DbHelper.ExecuteScalar(CommandType commandType, String commandText, DbParameter[] commandParameters) +303
   Ctmon.Data.SqlServer.DataProvider.InsertRobotsInfo(RobotsInfo entity) +1449
   Ctmon.Site.SiteBLL.InsertRobotsInfo(RobotsInfo entity) +82
   Ctmon.Site.SiteUtils.SpiderBot() +108
   Ctmon.Site.PageBase..ctor() +878
   Ctmon.Site.WebPage..ctor() +477
   Ctmon.Web.search..ctor() +37
   ASP.search_aspx..ctor() in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\7ce93e72\485f63b2\App_Web_hrq5mwao.0.cs:0
   __ASP.FastObjectFactory_app_web_hrq5mwao.Create_ASP_search_aspx() in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\7ce93e72\485f63b2\App_Web_hrq5mwao.1.cs:0
   System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp) +132
   System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +44
   System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig) +219
   System.Web.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +207
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3429.0