I have been working with Sitecore version 8.2, with three to four sites in one instance. Everything work fine, but in logs the following errors are seen.

 ERROR Application error.
Exception: System.Web.HttpException
Message: Exception of type 'System.Web.HttpException' was thrown.
Source: System.Web.WebPages
   at System.Web.WebPages.WebPageRoute.DoPostResolveRequestCache(HttpContextBase context)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) 

Just wondering how this error occurs on the site and none of the functionality is affected. Please provide an detailed explanation regarding the same

  • We use not Sitecore but ASP.NET WebPages. We find that the same error occurs about every 21 minutes in our environment, though we don't know the reason.
    – nabe
    Commented Oct 9, 2018 at 1:44

1 Answer 1


about every 21 minutes

The application pool in our environment was

  • General/Start Mode=AlwaysRunning
  • Process Model/Idle Time-out(minutes)=20

We had changed the time-out to 1, now the error occurs about every 2 minutes.

We logged "Request.AppRelativeCurrentExecutionFilePath" when the error occurred.

We found the wrong setting in our environment. (web.config / configuration / system.webServer / applicationInitialization)

Correct)<add initializationPage="foo/bar.cshtml" />

Wrong)<add initializationPage="~/foo/bar.cshtml" />

The wrong setting caused the wrong path. (~/~/foo/bar.cshtml)

The correct setting resolved the error in our environment.

  • Will check this and let you know the results
    – rams
    Commented Oct 9, 2018 at 11:51

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