Network Management

White or Blank page for the SolarWinds site

Customer is getting a white page and the Orionweb.log shows error ERROR ASP.global_asax - Application_Error(3cbb1a4f73ba4f40bada3eef65342d4e) System.InvalidCastException: [A]ProfileCommon cannot be cast to [B]ProfileCommon. Type A originates from 'App_Code.ote0d2zn, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' in the context 'Default' at location 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\6faafa1c\92094bad\App_Code.ote0d2zn.dll'. Type B originates from

First published date

10/24/2018 1:07 AM

Last published date

12/2/2024 11:53 PM

Overview

When you attempt to access the SolarWinds website, you get a white or blank page. 

 

The Orionweb.log shows error like the following:

ERROR ASP.global_asax - Application_Error(3cbb1a4f73ba4f40bada3eef65342d4e)
System.InvalidCastException: [A]ProfileCommon cannot be cast to [B]ProfileCommon. Type A originates from 'App_Code.ote0d2zn, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' in the context 'Default' at location 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\6faafa1c\92094bad\App_Code.ote0d2zn.dll'. Type B originates from 'App_Code.tt6z3jez, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' in the context 'Default' at location 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\6faafa1c\92094bad\App_Code.tt6z3jez.dll'.
WARN  ASP.global_asax - (null)  Application_Error: Additional Exception checking current user account status: System.InvalidCastException: [A]ProfileCommon cannot be cast to [B]ProfileCommon. Type A originates from 'App_Code.m2gd8jpe, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' in the context 'Default' at location 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\6faafa1c\92094bad\App_Code.m2gd8jpe.dll'. Type B originates from 'App_Code.rpow8f1l, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' in the context 'Default' at location 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\6faafa1c\92094bad\App_Code.rpow8f1l.dll'.
   at ASP.global_asax.get_Profile()
   at ASP.global_asax.Application_Error(Object sender, EventArgs e)

ERROR ASP.global_asax - (null)  Application_Error
System.UriFormatException: Invalid URI: The hostname could not be parsed.

Product section

Network Performance Monitor

Cause

The .NET cache and web resources are not working properly.

Resolution

Resolution #1

  1. Connect to the SolarWinds server.
  2. Start CMD as an administrator.
  3. Run Command iisreset.
  4. Check if you can access the site.

 

Resolution #2

  1. Stop all Solarwinds services in How to Start, Stop, or Restart SolarWinds Services with the SolarWinds Service Manager in the SolarWinds Platform.
  2. Go to C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files and delete the files.
  3. Start all SolarWinds Services using the SolarWinds Platform Service Manager.

 

Resolution #3

Rebuild the Orion website. Refer to the article Rebuild the Orion Website.

 

Resolution #4

If you are not seeing any errors in the log and the above steps did not resolve the issue try these steps:

  1. Go to your IIS manger and highlight the local server. There should be an option labeled "ISAPI and CGI restrictions.
  2. Make sure everything is set to allowed.
  3. Make sure the bindings are correct in IIS.
  4. Test the site.