Could not load file or assembly System.Web.Mvc

c# asp.net asp.net-mvc umbraco
Said Roohullah Allem picture Said Roohullah Allem · Feb 4, 2013 · Viewed 68.2k times · Source

I'm using umbraco 4.11.3 in my project.My project work well util that's on Windows 7 and run it from visual studio 2012. But it did not work in Win 8 when it run from visual studio 2012!

Error is:

Could not load file or assembly 'System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

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.IO.FileLoadException: Could not load file or assembly 'System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

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.

Assembly Load Trace: The following information can be helpful to determine why the assembly 'System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' could not be loaded.

=== Pre-bind state information === LOG: User = Jahan-PC\jahan LOG: DisplayName = System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 (Fully-specified) LOG: Appbase = file:///G:/20130204/SourceCode/Defraz.Movafaqiyat.WebApp/Defraz.Movafaqiyat.WebApp/ LOG: Initial PrivatePath = G:\20130204\SourceCode\Defraz.Movafaqiyat.WebApp\Defraz.Movafaqiyat.WebApp\bin Calling assembly : ClientDependency.Core.Mvc, Version=1.5.1.0, Culture=neutral, PublicKeyToken=null. === LOG: This bind starts in default load context. LOG: Using application configuration file: G:\20130204\SourceCode\Defraz.Movafaqiyat.WebApp\Defraz.Movafaqiyat.WebApp\web.config LOG: Using host configuration file: C:\Users\jahan\Documents\IISExpress\config\aspnet.config LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework\v4.0.30319\config\machine.config. LOG: Post-policy reference: System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 LOG: Attempting download of new URL file:///C:/Users/jahan/AppData/Local/Temp/Temporary ASP.NET Files/root/bc5b37d0/42db0b24/System.Web.Mvc.DLL. LOG: Attempting download of new URL file:///C:/Users/jahan/AppData/Local/Temp/Temporary ASP.NET Files/root/bc5b37d0/42db0b24/System.Web.Mvc/System.Web.Mvc.DLL. LOG: Attempting download of new URL file:///G:/20130204/SourceCode/Defraz.Movafaqiyat.WebApp/Defraz.Movafaqiyat.WebApp/bin/System.Web.Mvc.DLL. WRN: Comparing the assembly name resulted in the mismatch: Major Version ERR: Failed to complete setup of assembly (hr = 0x80131040). Probing terminated.

Stack Trace:

[FileLoadException: Could not load file or assembly 'System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)]
ClientDependency.Core.Mvc.MvcFilter.ValidateCurrentHandler() +0
ClientDependency.Core.Module.ClientDependencyModule.b__0(IFilter f) +31 System.Linq.Enumerable.Any(IEnumerable1 source, Func2 predicate) +146
ClientDependency.Core.Module.ClientDependencyModule.ValidateCurrentHandler(IEnumerable`1 filters) +127
ClientDependency.Core.Module.ClientDependencyModule.HandleRequest(Object sender, EventArgs e) +179
System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +136 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +69

Note:published project on IIS works well in win7 and win8. My project isn't based on ASP.NET MVC. Please help me.

Answer

Lucent Fox picture Lucent Fox · Mar 27, 2013

We're using Azure cloud to run a deployment and I got the same error. Since you can't really install packages onto the server instances, the way to solve this is to go into References for your project, find the reference to the library that it's complaining is missing, go into properties, then set Copy Local to True. Redeploy and you're all set.

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