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HomeHomeDevelopment and...Development and...Building ExtensionsBuilding ExtensionsModulesModulesStrange Error - Assembly not foundStrange Error - Assembly not found
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1/20/2016 7:08 AM
 
Michael Tobisch


Michael Tobisch's Avatar

https://www.dnnwerk.at
Joined: 6/27/2005
Posts: 2083

What I did:

I installed DNN 8 (fresh install, no upgrade) and copied a module project from DNN 7 to this installation. I opened the project in VS 2015, changed the depencies of DotNetNuke.dll and DotNetNuke.WebUtility.dll to the assemblies in the DNN8/bin folder. The project compiled without any errors or warnings.

Then I added the module to the Extensions and ran the necessary SQL scripts. I created a page, and added the module to the page. The result was a bit frustrating:

The file or assembly "DotNetNuke.HttpModules" or a dependency was not found. The system cannot find the file.

There is no dependency in my module to this assembly, but I guess it is somewhere in the DotNetNuke.dll.

The interesting thing is the way the system tries to find it, according to the debug tracing:

C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/modules_mymodule/19ccb8f7/3dc05abb/DotNetNuke.HttpModules.DLL.
C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/modules_mymodule/19ccb8f7/3dc05abb/DotNetNuke.HttpModules/DotNetNuke.HttpModules.DLL.
C:/DNN8/DesktopModules/MyModule/bin/DotNetNuke.HttpModules.DLL.
C:/DNN8/DesktopModules/MyModule/bin/DotNetNuke.HttpModules/DotNetNuke.HttpModules.DLL.
C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/modules_mymodule/19ccb8f7/3dc05abb/DotNetNuke.HttpModules.EXE.
C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/modules_mymodule/19ccb8f7/3dc05abb/DotNetNuke.HttpModules/DotNetNuke.HttpModules.EXE.
C:/DNN8/DesktopModules/MyModule/bin/DotNetNuke.HttpModules.EXE.
C:/DNN8/DesktopModules/MyModule/bin/DotNetNuke.HttpModules/DotNetNuke.HttpModules.EXE.

 

Any ideas? Why does it search in C:/DNN8/DesktopModules/MyModule/bin instead of C:/DNN8/bin? (Where it could find it ;-))

Happy DNNing!
Michael

 

Michael Tobisch
DNN★MVP

dnn-Connect.org - The most vibrant community around the DNN-platform
 
New Post
1/20/2016 8:14 AM
 
Richard Howells


Richard Howells's Avatar

www.dynamisys.co.uk
Joined: 3/26/2006
Posts: 2001
Michael,

I'm willing to bet that; when you opened it in VS,
; VS inserted a gratuitous Application or Virtual directory node. Take a (refreshed) look at it in IIS manager. Nuke that and you will be happy again. :-)
Best wishes,
- Richard
Agile Development Consultant, Practitioner, and Trainer
www.dynamisys.co.uk
 
New Post
1/20/2016 10:06 AM
 
Michael Tobisch


Michael Tobisch's Avatar

https://www.dnnwerk.at
Joined: 6/27/2005
Posts: 2083

Richard,

thanks for your answer. Unfortunately, this is one of the things I already thought of, as this happened before. It did not help.

What I also tried was to stop the application pool and deleted all the files in the "Temporary ASP.Net Files" folder (under C:\Windows\Microsoft.Net\...).

Happy DNNing!
Michael

 

Michael Tobisch
DNN★MVP

dnn-Connect.org - The most vibrant community around the DNN-platform
 
New Post
1/21/2016 2:27 AM
 
Michael Tobisch


Michael Tobisch's Avatar

https://www.dnnwerk.at
Joined: 6/27/2005
Posts: 2083

This was really a hard one - it was one virtual directory (~/DesktopModules/MyModule) and four applications that were created in IIS (desktopmodules_mymodule, modules_mymodule, root_desktopmodules_mymodule and root_modules_mymodule). I have no idea why the thing got in such a mess, but propably I tried too many things to make it run.

But the bigger issue was: nothing could be seen on the tree view in IIS manager. I found this stuff by clicking the View Applications and View Virtual Directories links on the right hand side when selectting the web site in the tree.

Thanks, Richard - you pushed me in the right direction (even if I already knew this strange behaviour, but until now it was easy to find as there were different icons in the tree view).

Happy DNNing!
Michael

 

Michael Tobisch
DNN★MVP

dnn-Connect.org - The most vibrant community around the DNN-platform
 
New Post
1/21/2016 1:48 PM
 
Richard Howells


Richard Howells's Avatar

www.dynamisys.co.uk
Joined: 3/26/2006
Posts: 2001
Good detective work. :-)
Best wishes,
- Richard
Agile Development Consultant, Practitioner, and Trainer
www.dynamisys.co.uk
 
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