asp.net - Web服务器-信号灯超时时间已到期

Question

尝试在Windows Server 2008 R2上运行Web应用程序时出现以下错误。当应用程序尝试连接到数据库时出现此错误。但是，我能够在另一台Web服务器(Windows Server 2008 R2)上运行该应用程序而没有任何问题。

我看到有很多关于此错误的文章，但我无法为我提供解决方案。

任何帮助，将不胜感激。

错误:

已成功与服务器建立连接，但是在登录过程中发生了错误。 (提供者:TCP提供程序，错误:0-信号灯超时时间已到期。)

说明:在执行当前Web请求期间发生未处理的异常。请查看堆栈跟踪，以获取有关错误及其在代码中起源的更多信息。

异​​常详细信息:System.Data.SqlClient.SqlException:已成功与服务器建立连接，但是在登录过程中发生了错误。 (提供者:TCP提供程序，错误:0-信号灯超时时间已到期。)

源错误:

当前Web请求的执行期间生成了未处理的异常。可以使用下面的异常堆栈跟踪来标识有关异常的来源和位置的信息。

堆栈跟踪:

[SqlException(0x80131904):与服务器成功建立了连接，但是在登录过程中发生了错误。 (提供者:TCP提供程序，错误:0-信号灯超时时间已到期。)]

System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +89
   System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +207
   System.Data.SqlClient.TdsParserStateObject.ReadSniError(TdsParserStateObject stateObj, UInt32 error) +502
   System.Data.SqlClient.TdsParserStateObject.ReadSni(DbAsyncResult asyncResult, TdsParserStateObject stateObj) +153
   System.Data.SqlClient.TdsParserStateObject.ReadNetworkPacket() +90
   System.Data.SqlClient.TdsParserStateObject.ReadBuffer() +39
   System.Data.SqlClient.TdsParserStateObject.ReadByte() +21
   System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +108
   System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +36
   System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +234
   System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +367
   System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +234
   System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +217
   System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +492
   System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +29
   System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +437
   System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +70
   System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +449
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +103
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +116
   System.Data.SqlClient.SqlConnection.Open() +478
   Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteReader(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters) +123
   Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteReader(String connectionString, CommandType commandType, String commandText) +11
   Providence.Internet.MyAccount.Utilities.ServiceAreaUtilities.GetServiceAreasFromDataBase() +168
   Providence.Internet.MyAccount.Utilities.ServiceAreaUtilities.GetServiceAreas() +100
   LabTestCatalog.Global.Application_Start(Object sender, EventArgs e) +45

[HttpException (0x80004005): A connection was successfully established with the server, but then an error occurred during the login process. (provider: TCP Provider, error: 0 - The semaphore timeout period has expired.)]
   System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +407
   System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +130
   System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +176
   System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +296
   System.Web.HttpApplicationFactory.GetPipelineApplicationInstance(IntPtr appContext, HttpContext context) +54
   System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +237

[HttpException (0x80004005): A connection was successfully established with the server, but then an error occurred during the login process. (provider: TCP Provider, error: 0 - The semaphore timeout period has expired.)]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +639
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +78
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +334

Answer 1

这是Windows错误消息，通常在网络或网络适配器出现问题时给出。以下Microsoft KB文章提供了更多信息:

http://support.microsoft.com/kb/325487