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WebHost failed to process a request

Posted By:      Posted Date: September 15, 2010    Points: 0   Category :WPF
 
I am getting this strange error reported only on customer sites, unable to replicate the issue in our environments making it diifficult to know as to what is going wrong. A WebHost HTTP exception occurred.  Sender Information: System.ServiceModel.ServiceHostingEnvironment+HostingManager/24112512  HtmlErrorMessage:  The service '/CCSxxx/Sample Attendance Timeline.xoml' cannot be activated due to an exception during compilation.  The exception message is: The file '/CCSxxx/Timeline.xoml' does not exist..  Exception: System.ServiceModel.ServiceActivationException: The service '/CCSxxx/Timeline.xoml' cannot be activated due to an exception during compilation.  The exception message is: The file '/CCSxxx/Timeline.xoml' does not exist.. ---> System.Web.HttpException: The file '/CCSxxx/Timeline.xoml' does not exist.    at System.Web.UI.Util.CheckVirtualFileExists(VirtualPath virtualPath)    at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)    at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)    at System.Web.Compilation.BuildManager.GetVPathBuild


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Here is my XML

<?xml version='1.0' encoding='utf-8' ?><Order>Data</Order>


My S

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