IIS停止工作

Question

我使用（C＃）和（的ASP.NET Web API）和MS SQL 2008 R2开发Web应用程序和Windows Server 2008主机上IIS7，所有的API，JSON

当我打电话回数据来自任何Web浏览器的任何API并在第一次调用完成之前刷新页面以再次调用它，这让我在事件查看器中发出警告，并且在0至5分钟后，II7中的工作进程停止约2分钟（挂起）并调用所有API从这些2分钟的时间段的所有用户不工作，事件查看器给我一个错误：

在事件查看器的警告

Event code: 3005 
Event message: An unhandled exception has occurred. 
Event time: 6/5/2012 3:29:10 PM 
Event time (UTC): 6/5/2012 1:29:10 PM 
Event ID: 63adcb812864465cab58e9f870bcbb92 
Event sequence: 5 
Event occurrence: 1 
Event detail code: 0 

Application information: 
    Application domain: /LM/W3SVC/2/ROOT/AAA-2-129833765408950000 
    Trust level: Full 
    Application Virtual Path: /AAA 
    Application Path: C:\inetpub\wwwroot\AAA\ 
    Machine name: MyMachine 

Process information: 
    Process ID: 9860 
    Process name: w3wp.exe 
    Account name: NT AUTHORITY\NETWORK SERVICE 

Exception information: 
    Exception type: HttpException 
    Exception message: The remote host closed the connection. The error code is 0x800704CD. 
    at System.Web.Http.WebHost.HttpControllerHandler.EndProcessRequest(IAsyncResult result) 
    at System.Web.Http.WebHost.HttpControllerHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) 
    at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() 
    at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) 



Request information: 
    Request URL: My API URL 
    Request path: API Path 
    User host address: My IP 
    User: 
    Is authenticated: False 
    Authentication Type: 
    Thread account name: NT AUTHORITY\NETWORK SERVICE 

Thread information: 
    Thread ID: 8 
    Thread account name: NT AUTHORITY\NETWORK SERVICE 
    Is impersonating: False 
    Stack trace: at System.Web.Http.WebHost.HttpControllerHandler.EndProcessRequest(IAsyncResult result) 
    at System.Web.Http.WebHost.HttpControllerHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) 
    at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() 
    at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) 

在事件查看器中的误差

An unhandled exception occurred and the process was terminated. 

Application ID: /LM/W3SVC/2/ROOT/AAA 

Process ID: 9860 

Exception: System.AggregateException 

Message: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. 

StackTrace: at System.Threading.Tasks.TaskExceptionHolder.Finalize() 

InnerException: System.Web.HttpException 

Message: The remote host closed the connection. The error code is 0x800704CD. 

StackTrace: at System.Web.Http.WebHost.HttpControllerHandler.EndProcessRequest(IAsyncResult result) 
    at System.Web.Http.WebHost.HttpControllerHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) 
    at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() 
    at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) 

Answer 1

公共类contentController：ApiController { 动态JSON =新的JSONObject（）;

// GET /api/v1/content  
    [HttpGet] 
    public IEnumerable<ME_API_V1.Models.Content> GetContent() 
    { 
     Request.Headers.Add("Accept", "application/json"); 
     List<ZMSLibrary.ME.Models.Content> contentList = new List<ZMSLibrary.ME.Models.Content>() ; 
     try 
     { 
      //DateTime CurrentDateTime = DateTime.Now; 

      var querystring = this.Request.RequestUri.Query; 
      var parameters = HttpUtility.ParseQueryString(querystring); 

      string userID = parameters["userID"]; 
      string countryCode = parameters["countryCode"]; 
      string language = parameters["language"]; 
      string categoryName = parameters["categoryName"]; 
      string subcategoryID = parameters["subcategoryID"]; 
      string count = parameters["count"]; 
      string start = parameters["start"]; 
      string platform = parameters["platform"]; 
      string imageSize = parameters["imageSize"]; 



      //Check IP Restiriction 
      Restriction restiriction = new Restriction(ConfigurationManager.ConnectionStrings["AppSQLConnection"].ToString()); 
      bool allowedCheck = restiriction.IsUserAllowed(userID); 
      if (!allowedCheck) 
      { 
       dynamic json = new JsonObject(); 
       json.message = "Authorized Only for Mobinil in Egypt"; 
       var msg = new HttpResponseMessage(System.Net.HttpStatusCode.Forbidden); 
       msg.Content = new StringContent(json.ToString()); 
       msg.Content.Headers.ContentType.MediaType = "application/json"; 
       throw new HttpResponseException(msg); 
      } 
      else 
      { 



       //Validate input data 
       if (InputValidation.isValidUserid(userID) && 
        InputValidation.isValidCountryCode(countryCode) && 
        InputValidation.isValidLanguage(language) && 
        InputValidation.isValidCategory(categoryName) && 
        InputValidation.isValidUserid(subcategoryID) && 
        InputValidation.isValidPlatform(platform) 
        ) 
       { 
        if (!InputValidation.isValidImageSize(imageSize)) 
        { 
         imageSize = "high"; 
        } 

        if (!InputValidation.isValidUserid(count) || !InputValidation.isValidUserid(start)) 
        { 
         start = WebConfigurationManager.AppSettings["DefaultStart"]; 
         count = WebConfigurationManager.AppSettings["DefaultCount"]; 
        } 

        ContentOperations contentOperations = new ContentOperations(); 
        contentList = contentOperations.getContent(subcategoryID, categoryName, count, start, countryCode, userID, ConfigurationManager.ConnectionStrings["AppSQLConnection"].ToString(), WebConfigurationManager.AppSettings["FileFolderName"], imageSize, language, platform); 
        if (contentList != null) 
        { 
         List<ME_API_V1.Models.Content> contentOutputList = new List<ME_API_V1.Models.Content>(); 
         foreach (ZMSLibrary.ME.Models.Content c in contentList) 
         { 
          File tempFile = new File(); 
          ME_API_V1.Models.Content cTemp = new ME_API_V1.Models.Content(); 
          cTemp.contentID = int.Parse(c.ContentID); 
          if (c.Rating == "1") 
           cTemp.userRating = "Like"; 
          else if (c.Rating == "0") 
           cTemp.userRating = "Dislike"; 

          cTemp.date = String.Format("{0:G}", c.ContentDate); 

          //if (c.Provider.ContentProviderName != "") //to make the value null instead of "" 
          cTemp.providerName = c.Provider.ContentProviderName; 
          //if (c.Provider.ContentProviderIcon != "") 
          cTemp.providerIconURL = c.Provider.ContentProviderIcon; 
          //if (c.Provider.ContentProviderImage != "") 
          cTemp.providerImageURL = c.Provider.ContentProviderImage; 

          if (language == "AR") 
          { 
           //if (c.ContentArabicTitle != "") 
           cTemp.title = c.ContentArabicTitle; 
           //if (c.ContentArabicSubTitle != "") 
           cTemp.subtitle = c.ContentArabicSubTitle; 
           //if (c.ContentArabicDescription != "") 
           cTemp.description = c.ContentArabicDescription; 
          } 
          else 
          { 
           //if (c.ContentEnglishTitle != "") 
           cTemp.title = c.ContentEnglishTitle; 
           //if (c.ContentEnglishSubTitle != "") 
           cTemp.subtitle = c.ContentEnglishSubTitle; 
           //if (c.ContentEnglishDescription != "") 
           cTemp.description = c.ContentEnglishDescription; 
          } 

          if (categoryName == "Music") 
          { 
           foreach (ContentFile cf in c.ContentFiles) 
           { 
            if (cf.FileType.FileTypeName == "Icon") 
             tempFile.iconURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "Image") 
             tempFile.imageURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "Clip_High") 
             tempFile.highVideoURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "Clip_Low") 
             tempFile.lowVideoURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "Tone") 
             tempFile.toneURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "Song") 
             tempFile.songURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "YouTube") 
             tempFile.youtubeID = cf.ContentFileName; 

           } 

          } 
          else if (categoryName == "News") 
          { 
           foreach (ContentFile cf in c.ContentFiles) 
           { 
            if (cf.FileType.FileTypeName == "Icon") 
             tempFile.iconURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "Image") 
             tempFile.imageURL = cf.ContentFileName; 

           } 

          } 
          else if (categoryName == "Videos") 
          { 
           foreach (ContentFile cf in c.ContentFiles) 
           { 
            if (cf.FileType.FileTypeName == "Icon") 
             tempFile.iconURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "Image") 
             tempFile.imageURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "Video_High") 
             tempFile.highVideoURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "Video_Low") 
             tempFile.lowVideoURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "YouTube") 
             tempFile.youtubeID = cf.ContentFileName; 

           } 

          } 
          else if (categoryName == "Applications") 
          { 
           foreach (ContentFile cf in c.ContentFiles) 
           { 
            if (cf.FileType.FileTypeName == "Icon") 
             tempFile.iconURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "Image") 
             tempFile.imageURL = cf.ContentFileName; 
            else if (cf.FileType.FileTypeName == "App_Android" || cf.FileType.FileTypeName == "App_Nokia" || cf.FileType.FileTypeName == "App_Blackberry" || cf.FileType.FileTypeName == "App_iPhone") 
            {           
              tempFile.appURL = cf.ContentFileName;            
            } 

           } 

          } 

          cTemp.files = tempFile; 
          contentOutputList.Add(cTemp); 
         } 
         return contentOutputList; 

        } 

       } 

       if (contentList == null) 
        throw new Exception(); 
       else 
       { 
        json.message = "Wrong or missing data"; 
        var msg = new HttpResponseMessage(System.Net.HttpStatusCode.BadRequest); 
        msg.Content = new StringContent(json.ToString()); 
        msg.Content.Headers.ContentType.MediaType = "application/json"; 
        throw new HttpResponseException(msg); 
       } 
      } 




     }  
     catch (Exception ex) 
     { 
      if (ex is HttpResponseException) 
      { 
       throw; 
      } 
      else 
      { 
       json.message = "Error in System"; 
       var msg = new HttpResponseMessage(System.Net.HttpStatusCode.InternalServerError); 
       msg.Content = new StringContent(json.ToString()); 
       msg.Content.Headers.ContentType.MediaType = "application/json"; 
       throw new HttpResponseException(msg); 
      } 
     } 

    } 


}