An unhandled exception occurred while processing the request.

• Win32Exception: 等待的操作过时。
• 
  
  Show raw exception details

  System.ComponentModel.Win32Exception (258): 等待的操作过时。

• SqlException: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.

  • System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, bool breakConnection, Action wrapCloseInAction)

  • System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, bool callerHasConnectionLock, bool asyncClose)

  • System.Data.SqlClient.TdsParserStateObject.ReadSniError(TdsParserStateObject stateObj, uint error)

  • System.Data.SqlClient.TdsParserStateObject.ReadSniSyncOverAsync()

  • System.Data.SqlClient.TdsParserStateObject.TryReadNetworkPacket()

  • System.Data.SqlClient.TdsParserStateObject.TryPrepareBuffer()

  • System.Data.SqlClient.TdsParserStateObject.TryReadByteArray(byte[] buff, int offset, int len, out int totalRead)

  • System.Data.SqlClient.TdsParserStateObject.TryReadPlpBytes(ref byte[] buff, int offset, int len, out int totalBytesRead)

  • System.Data.SqlClient.TdsParserStateObject.TryReadStringWithEncoding(int length, Encoding encoding, bool isPlp, out string value)

  • System.Data.SqlClient.TdsParser.TryReadSqlStringValue(SqlBuffer value, byte type, int length, Encoding encoding, bool isPlp, TdsParserStateObject stateObj)

  • System.Data.SqlClient.TdsParser.TryReadSqlValue(SqlBuffer value, SqlMetaDataPriv md, int length, TdsParserStateObject stateObj)

  • System.Data.SqlClient.SqlDataReader.TryReadColumnData()

  • System.Data.SqlClient.SqlDataReader.TryReadColumnInternal(int i, bool readHeaderOnly)

  • System.Data.SqlClient.SqlDataReader.GetString(int i)

  • lambda_method(Closure , DbDataReader , DbContext )

  • Microsoft.EntityFrameworkCore.Query.QueryMethodProvider._FastQuery(RelationalQueryContext relationalQueryContext, ShaperCommandContext shaperCommandContext, Func materializer, Type contextType, IDiagnosticsLogger logger)+MoveNext()

  • System.Collections.Generic.List.AddEnumerable(IEnumerable enumerable)

  • System.Linq.Enumerable.ToList(IEnumerable source)

  • AspNetCore.Templates_WoHua_news_show+<>c.b__8_1(string obj) in news_show.cshtml

  • Coldairarrow.Util.SystemCache.GetCache(string key, Func func, TimeSpan expire) in SystemCache.cs

  • AspNetCore.Templates_WoHua_news_show.ExecuteAsync() in news_show.cshtml

  • Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageCoreAsync(IRazorPage page, ViewContext context)

  • Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageAsync(IRazorPage page, ViewContext context, bool invokeViewStarts)

  • Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderAsync(ViewContext context)

  • Microsoft.AspNetCore.Mvc.ViewFeatures.ViewExecutor.ExecuteAsync(ViewContext viewContext, string contentType, Nullable statusCode)

  • Microsoft.AspNetCore.Mvc.ViewFeatures.ViewExecutor.ExecuteAsync(ActionContext actionContext, IView view, ViewDataDictionary viewData, ITempDataDictionary tempData, string contentType, Nullable statusCode)

  • Microsoft.AspNetCore.Mvc.ViewFeatures.ViewResultExecutor.ExecuteAsync(ActionContext context, ViewResult result)

  • Microsoft.AspNetCore.Mvc.ViewResult.ExecuteResultAsync(ActionContext context)

  • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeResultAsync(IActionResult result)

  • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResultFilterAsync()

  • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResultExecutedContext context)

  • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.ResultNext(ref State next, ref Scope scope, ref object state, ref bool isCompleted)

  • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeResultFilters()

  • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter()

  • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)

  • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted)

  • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync()

  • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync()

  • Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)

  • Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)

  • Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)

  • Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)

  • Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)

• 
  
  Show raw exception details

  System.Data.SqlClient.SqlException (0x80131904): Timeout expired.  The timeout period elapsed prior to completion of the operation or the server is not responding. ---> System.ComponentModel.Win32Exception (258): 等待的操作过时。
     at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
     at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
     at System.Data.SqlClient.TdsParserStateObject.ReadSniError(TdsParserStateObject stateObj, UInt32 error)
     at System.Data.SqlClient.TdsParserStateObject.ReadSniSyncOverAsync()
     at System.Data.SqlClient.TdsParserStateObject.TryReadNetworkPacket()
     at System.Data.SqlClient.TdsParserStateObject.TryPrepareBuffer()
     at System.Data.SqlClient.TdsParserStateObject.TryReadByteArray(Byte[] buff, Int32 offset, Int32 len, Int32& totalRead)
     at System.Data.SqlClient.TdsParserStateObject.TryReadPlpBytes(Byte[]& buff, Int32 offset, Int32 len, Int32& totalBytesRead)
     at System.Data.SqlClient.TdsParserStateObject.TryReadStringWithEncoding(Int32 length, Encoding encoding, Boolean isPlp, String& value)
     at System.Data.SqlClient.TdsParser.TryReadSqlStringValue(SqlBuffer value, Byte type, Int32 length, Encoding encoding, Boolean isPlp, TdsParserStateObject stateObj)
     at System.Data.SqlClient.TdsParser.TryReadSqlValue(SqlBuffer value, SqlMetaDataPriv md, Int32 length, TdsParserStateObject stateObj)
     at System.Data.SqlClient.SqlDataReader.TryReadColumnData()
     at System.Data.SqlClient.SqlDataReader.TryReadColumnInternal(Int32 i, Boolean readHeaderOnly)
     at System.Data.SqlClient.SqlDataReader.GetString(Int32 i)
     at lambda_method(Closure , DbDataReader , DbContext )
     at Microsoft.EntityFrameworkCore.Query.QueryMethodProvider._FastQuery[TEntity](RelationalQueryContext relationalQueryContext, ShaperCommandContext shaperCommandContext, Func`3 materializer, Type contextType, IDiagnosticsLogger`1 logger)+MoveNext()
     at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
     at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
     at AspNetCore.Templates_WoHua_news_show.<>c.b__8_1(String obj) in E:\project\wohua\wohuanongye\Coldairarrow.Web\Templates\WoHua\news_show.cshtml:line 16
     at Coldairarrow.Util.SystemCache.GetCache[T](String key, Func`2 func, TimeSpan expire) in E:\project\wohua\wohuanongye\Coldairarrow.Util\Cache\SystemCache.cs:line 44
     at AspNetCore.Templates_WoHua_news_show.ExecuteAsync() in E:\project\wohua\wohuanongye\Coldairarrow.Web\Templates\WoHua\news_show.cshtml:line 14
     at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageCoreAsync(IRazorPage page, ViewContext context)
     at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageAsync(IRazorPage page, ViewContext context, Boolean invokeViewStarts)
     at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderAsync(ViewContext context)
     at Microsoft.AspNetCore.Mvc.ViewFeatures.ViewExecutor.ExecuteAsync(ViewContext viewContext, String contentType, Nullable`1 statusCode)
     at Microsoft.AspNetCore.Mvc.ViewFeatures.ViewExecutor.ExecuteAsync(ActionContext actionContext, IView view, ViewDataDictionary viewData, ITempDataDictionary tempData, String contentType, Nullable`1 statusCode)
     at Microsoft.AspNetCore.Mvc.ViewFeatures.ViewResultExecutor.ExecuteAsync(ActionContext context, ViewResult result)
     at Microsoft.AspNetCore.Mvc.ViewResult.ExecuteResultAsync(ActionContext context)
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeResultAsync(IActionResult result)
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResultFilterAsync[TFilter,TFilterAsync]()
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResultExecutedContext context)
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.ResultNext[TFilter,TFilterAsync](State& next, Scope& scope, Object& state, Boolean& isCompleted)
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeResultFilters()
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter()
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync()
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync()
     at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)
     at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)
     at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)
     at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)
     at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)
  ClientConnectionId:48dfff1c-6aef-42ca-a058-94c31b2f2363
  Error Number:-2,State:0,Class:11

No QueryString data.