为什么数据库读取失败
有一个网页程序,在昨天都还可连上数据库,今天总是弹出这种问题
想问一下怎么解决。
“/”应用程序中的服务器错误。
--------------------------------------------------------------------------------
System.Data.SqlClient.SqlException (0x80131904): 已成功与服务器建立连接,但是在登录过程中发生错误。 (provider: Shared Memory Provider, error: 0 - 管道的另一端上无任何进程。)
在 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()
在 System.Data.SqlClient.TdsParserStateObject.ReadSniError(TdsParserStateObject stateObj, UInt32 error)
在 System.Data.SqlClient.TdsParserStateObject.ReadSni(DbAsyncResult asyncResult, TdsParserStateObject stateObj)
在 System.Data.SqlClient.TdsParserStateObject.ReadNetworkPacket()
在 System.Data.SqlClient.TdsParserStateObject.ReadBuffer()
在 System.Data.SqlClient.TdsParserStateObject.ReadByte()
在 System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
在 System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK)
在 System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, SqlConnection owningObject)
在 System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, TimeoutTimer timeout)
在 System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, TimeoutTimer timeout, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)
在 System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)
在 System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
在 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
在 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
在 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
在 System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
在 System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
在 System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
在 System.Data.SqlClient.SqlConnection.Open()
在 Power.DataBridge.GetRowCount.GetScalarObjectMain(Database db, String sql, List`1 parameters, CommandType commandType) 位置 E:\加宝\站点\DataComm\DataCommon.cs:行号 1126
说明: 执行当前 Web 请求期间,出现未经处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。
源错误:
行 24: parm.Value = solutionName;
行 25: parms.Add(parm);
行 26: object o = Power.DataBridge.GetRowCount.GetScalarObject(sb.ToString(), parms, CommandType.Text);
行 27: return (o == null) ? 0 : Convert.ToInt32(o);
行 28: }
源文件: E:\程序\餐饮\餐饮\DAL\SystemDAL.cs 行: 26
堆栈跟踪:
[Exception: System.Data.SqlClient.SqlException (0x80131904): 已成功与服务器建立连接,但是在登录过程中发生错误。 (provider: Shared Memory Provider, error: 0 - 管道的另一端上无任何进程。)
在 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()
在 System.Data.SqlClient.TdsParserStateObject.ReadSniError(TdsParserStateObject stateObj, UInt32 error)
在 System.Data.SqlClient.TdsParserStateObject.ReadSni(DbAsyncResult asyncResult, TdsParserStateObject stateObj)
在 System.Data.SqlClient.TdsParserStateObject.ReadNetworkPacket()
在 System.Data.SqlClient.TdsParserStateObject.ReadBuffer()
在 System.Data.SqlClient.TdsParserStateObject.ReadByte()
在 System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
在 System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK)
在 System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, SqlConnection owningObject)
在 System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, TimeoutTimer timeout)
在 System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, TimeoutTimer timeout, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)
在 System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)
在 System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
在 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
在 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
在 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
在 System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
在 System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
在 System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
在 System.Data.SqlClient.SqlConnection.Open()
在 Power.DataBridge.GetRowCount.GetScalarObjectMain(Database db, String sql, List`1 parameters, CommandType commandType) 位置 E:\加宝\站点\DataComm\DataCommon.cs:行号 1126]
Power.DataBridge.GetRowCount.GetScalarObjectMain(Database db, String sql, List`1 parameters, CommandType commandType) in E:\加宝\站点\DataComm\DataCommon.cs:1135
Power.DataBridge.GetRowCount.GetScalarObject(String sql, List`1 parameters, CommandType commandType) in E:\加宝\站点\DataComm\DataCommon.cs:1175
INGS.Channel.DAL.SystemDAL.GetSolutionIDByName(String solutionName) in E:\程序\餐饮\餐饮\DAL\SystemDAL.cs:26
INGS.Channel.Controllers.BaseController.GetSolutionID() in E:\程序\餐饮\餐饮\Controllers\Common\BaseController.cs:54
INGS.Channel.Controllers.HomeController.Index() in E:\程序\餐饮\餐饮\Controllers\HomeController.cs:22
lambda_method(Closure , ControllerBase , Object[] ) +62
System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) +17
System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +199
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +27
System.Web.Mvc.<>c__DisplayClassd.<InvokeActionMethodWithFilters>b__a() +56
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) +267
System.Web.Mvc.<>c__DisplayClassf.<InvokeActionMethodWithFilters>b__c() +20
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +190
System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +345
System.Web.Mvc.Controller.ExecuteCore() +115
System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +42
System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +10
System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__4() +34
System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +21
System.Web.Mvc.Async.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _) +12
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +55
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +43
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +8863473
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +184
--------------------------------------------------------------------------------