Question

error while accessing my webservice: System.NullReferenceException: Object reference not set to an instance of an object.

Asked by: nirisan

I am getting this error while i am trying to access my webservice. How do i find a solution. It happens only somtimes.

Server Error in '/' Application.
--------------------------------------------------------------------------------

Error: System.Web.Services.Protocols.SoapException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.NullReferenceException: Object reference not set to an instance of an object.
  at Breakingviews.www.Services.ContentInfoService.BuildStoryCoreInfo(SitecoreStory story)
  at Breakingviews.www.Services.ContentInfoService.GetStoryInfo(Guid storyId)
  --- End of inner exception stack trace ---
  at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
  at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
  at Breakingviews.www.BreakingViewsWS.ContentInfoService.GetStoryInfo(Guid storyId)
  at Breakingviews.www.UserControls.MostReadHomepage.mostreadstories()
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Exception: Error: System.Web.Services.Protocols.SoapException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.NullReferenceException: Object reference not set to an instance of an object.
  at Breakingviews.www.Services.ContentInfoService.BuildStoryCoreInfo(SitecoreStory story)
  at Breakingviews.www.Services.ContentInfoService.GetStoryInfo(Guid storyId)
  --- End of inner exception stack trace ---
  at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
  at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
  at Breakingviews.www.BreakingViewsWS.ContentInfoService.GetStoryInfo(Guid storyId)
  at Breakingviews.www.UserControls.MostReadHomepage.mostreadstories()

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.  

Stack Trace:


[Exception:  Error: System.Web.Services.Protocols.SoapException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at Breakingviews.www.Services.ContentInfoService.BuildStoryCoreInfo(SitecoreStory story)
   at Breakingviews.www.Services.ContentInfoService.GetStoryInfo(Guid storyId)
   --- End of inner exception stack trace ---
   at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
   at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
   at Breakingviews.www.BreakingViewsWS.ContentInfoService.GetStoryInfo(Guid storyId)
   at Breakingviews.www.UserControls.MostReadHomepage.mostreadstories()]
   Breakingviews.www.UserControls.MostReadHomepage.mostreadstories() +586
   Breakingviews.www.UserControls.MostReadHomepage.Page_Load(Object sender, EventArgs e) +67
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +33
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +47
   System.Web.UI.Control.LoadRecursive() +131
   System.Web.UI.Control.LoadRecursive() +131
   System.Web.UI.Control.LoadRecursive() +131
   System.Web.UI.Control.LoadRecursive() +131
   System.Web.UI.Control.LoadRecursive() +131
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1436

 


--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433

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Asked On
2008-04-14 at 01:26:31ID23319632
Tags

ASP.NET C#

,

System.NullReferenceException: Object reference not set to an instance of an object.

Topics

C# Programming Language

,

Programming for ASP.NET

Participating Experts
1
Points
500
Comments
1

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Answers

 

by: jungesPosted on 2008-04-14 at 02:13:02ID: 21348567

insert a break point at the begin  of the function MostReadHomepage.Page_Load. So you can see what object are not instantiated.

20120131-EE-VQP-002

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