日誌填滿：發生了與遠程主機的通信錯誤

Question

我們試圖瞭解這個錯誤發生了什麼，這只是用戶從網站斷開？

System.Web.HttpException An error occurred while communicating with the remote host. The error code is 0x800703E3. 
System.Runtime.InteropServices.COMException The I/O operation has been aborted because of either a thread exit or an application request. 
(Exception from HRESULT: 0x800703E3) StackTrace:  
at System.Web.Hosting.IIS7WorkerRequest.RaiseCommunicationError(Int32 result, Boolean throwOnDisconnect)  
at System.Web.Hosting.IIS7WorkerRequest.ExplicitFlush()  
at System.Web.HttpResponse.Flush(Boolean finalFlush)  
at System.Web.HttpWriter.WriteFromStream(Byte[] data, Int32 offset, Int32 size)  
at System.Web.Mvc.FileStreamResult.WriteFile(HttpResponseBase response)  
at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass1c <InvokeActionResultWithFilters>b__19()  
at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation)  
at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult)  
at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)  
at System.Web.Mvc.Controller.ExecuteCore()  
at System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext)  
at System.Web.Mvc.MvcHandler.<>c__DisplayClass6.<>c__DisplayClassb.<BeginProcessRequest>b__5() 
at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass1.<MakeVoidDelegate>b__0() 
at System.Web.Mvc.MvcHandler.<>c__DisplayClasse.<EndProcessRequest>b__d() 
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()  
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) 

Answer 1

是的，當與用戶的連接丟失時出現此錯誤。他們可能已關閉瀏覽器或已斷開連接（或請求failed or was canceled）。

The answer to a similar question建議調用flush（）

您might not even need to explicitly call Flush()

之前檢查 Response.IsClientConnected