[Mono-bugs] [Bug 362038] New: [Regression] NRE when MojoPortal tries to load under Mono 1.9p2

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Thu Feb 14 21:24:14 EST 2008


           Summary: [Regression] NRE when MojoPortal tries to load under
                    Mono 1.9p2
           Product: Mono: Class Libraries
           Version: 1.9.0
          Platform: i586
        OS/Version: openSUSE 10.3
            Status: NEW
          Severity: Critical
          Priority: P5 - None
         Component: Sys.Web
        AssignedTo: mhabersack at novell.com
        ReportedBy: twiest at novell.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: Component Test

Description of Problem:
When you try to access MojoPortal on Mono 1.9p2 on openSUSE 10.3 i586, it
errors with the message below.

MojoPortal starts up correctly under 1.2.6, so this is a regression.

Steps to reproduce the problem:
1. Download the Mono VMware image from:
2. Upgrade to Mono 1.9p2 from (I just added this repo to zypper and ran
3. Reboot the VM
4. Run MojoPortal using the icon on the Desktop (in the "Mono Web Applications"
5. Notice the exception as below.

Expected Results:
MojoPortal should start up.

Actual Results:
Server Error in '/mojoportal' Application
Object reference not set to an instance of an object

Description: Error processing request.

Error Message: HTTP 500. System.NullReferenceException: Object reference not
set to an instance of an object

Stack Trace:

System.NullReferenceException: Object reference not set to an instance of an
  at System.Web.Hosting.VirtualPathProvider.OpenFile (System.String
virtualPath) [0x00000]
  at System.Web.Compilation.BuildProvider.OpenStream (System.String
virtualPath) [0x00000]
  at System.Web.Compilation.BuildProvider.OpenReader (System.String
virtualPath) [0x00000]
(System.String , System.String& ) [0x00000]
  at System.Web.Compilation.PageBuildProvider.SpecialOpenReader (System.String
virtualPath, System.String& physicalPath) [0x00000]
() [0x00000]
() [0x00000]
() [0x00000]
  at System.Web.Compilation.BuildManager.GetCodeDomProviderType
(System.Web.Compilation.BuildProvider provider) [0x00000]
  at System.Web.Compilation.BuildManager+BuildItem..ctor
(System.Web.Compilation.BuildProvider provider) [0x00000]
  at System.Web.Compilation.BuildManager.LoadBuildProviders (System.String
virtualPath, System.String virtualDir, System.Collections.Generic.Dictionary`2
vpCache, System.Web.Compilation.BuildKind& kind, System.String&
assemblyBaseName) [0x00000]
  at System.Web.Compilation.BuildManager.BuildAssembly (System.String
virtualPath) [0x00000]
  at System.Web.Compilation.BuildManager.GetCompiledType (System.String
virtualPath) [0x00000]
  at System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath
(System.String virtualPath, System.Type requiredBaseType) [0x00000]
  at System.Web.UI.PageHandlerFactory.GetHandler (System.Web.HttpContext
context, System.String requestType, System.String url, System.String path)
  at System.Web.HttpApplication.GetHandler (System.Web.HttpContext context,
System.String url) [0x00000]
  at System.Web.HttpApplication+<>c__CompilerGenerated2.MoveNext () [0x00000]

How often does this happen? 
Every time.

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