Parser Error Message Could not load type TestMvcApplication MvcApplication

Question

I am getting the following error on one of our production servers  Not sure why it is working on the DEV server      Parser Error    Description  An error occurred during the parsing of a resource required to service this request  Please review the following specific parse error details and modify your source file appropriately        Parser Error Message  Could not load type  TestMvcApplication MvcApplication        Source Error        Line 1    lt    Application Codebehind  Global asax cs  Inherits  TestMvcApplication MvcApplication  Language  C           Source File   global asax    Line  1    Not sure if anybody came across this error before and how it was solved  but I have reached the end  Any help would be appreciated   I also need to mention that this is the published code  so all is compiled  Can there be something wrong with my compiler settings

User · Answer

IT happens with me when I rename my project solution  Go to the folder of project in windows explorer  get out of VS   Find and open the file Global  maybe you ll find 2 files  open that dont have   asax cs  extension   and edit the line of error with correct path  Good luck

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I solved my problem by renaming lots of things   If your problem is cause by creating a new project from copying an existing project like me  you may try these steps    rename solution - in solution explorer rename project - in solution explorer rename namespace - in code rename assembly name and default namespace - in project property application rename AssemblyTitle and update GUID - in project property application aseembly information rebuild and run   some of these steps may be worthless  but following them all should solve your problem

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Follow these steps    Build Configuration Manager Put the AnyCPU project Back to generate Ready  after this just follow the same steps to pass it to x86 or x64

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I had what looked like the same error  I tried many suggestions from many pages only to find out the problem was that I had the website set to the wrong version of  Net  No matter how many re-compiles or people saying  configuration problem   nobody made the point that the  net version needed to be checked

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I had the same problem  mine was because the web project had a platform target of x86  I was running on a 64-bit machine  other projects in the solution were set to 64-bit   To check your settings  right click the project and choose Properties  On the Build tab  check the value of  Platform Target    Also check your solution s build configuration  Build menu   Configuration Manager  to check all your projects are being built to the same platform   In both cases  make sure you check the settings both for debug and release mode - otherwise you ll get it working on your machine but not when you deploy it

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I was getting error because I deployed the application as a virtual directory and I was was getting parser error  could not load type  then I deployed the application as a web site and i was not getting that error again

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My issue was solved when I converted in IIS the physical folder that was containing the files to an application  Right click   convert to application

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Make sure all your own referenced dlls have  Copy Local  set to True in the Properties window  unless they are in the GAC  There is no need to do this with framework dlls

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After spend almost 2 hour I resolve this Issue by just delete a line from  csproj file       lt PlatformTarget gt AnyCPU lt  PlatformTarget gt

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For me  it was because I had temporarily excluded the file from the project  I merely included  it in back in the project and then it worked

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For me  I had a DLL included with my project that had to be run in a 32-bit environment   The server was configured to run the website in 32-bit mode  but I was not able to run the application on my 64-bit machine because the localhost folder had not been specified to run in 32-bit mode

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I had a lot of problems and errors to solve  some of the above answers helped  but what the final trick that made it work for me was  Go to your project  click properties   Go to the Package Publish Web tab and make sure the configuration is set to Release and Platform to All Platforms   Last make sure that the  Items to deploy  applies to all deployment methods   is set to  All files in this project folder   It then worked fine for me

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I ve had the same issue  Try to   Right click on the project and select Clean  then right click on it again and select Rebuild and run the project to see if it worked

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I resolved this by switching my project properties from Web  Specific port  55555 to Auto-assign port

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I tried all above solutions but no luck  Adding line  lt add assembly       gt  to web config fixed it for me   You can also add to machine config or root web config file of the appropriate  NET framework version  I didn t try it  Thanks to MS Support for solution

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I got this error when trying to add a service reference to a workflow service  And eventually I had to add this to my web config   http   blogs msdn com b rjacobs archive 2011 12 16 how-to-enable-service-metadata-for-workflow-services aspx  As you can see  I added it after the Final Entity Framework tag and before the final configuration tag    lt  entityFramework gt     lt system serviceModel gt       lt bindings gt         lt basicHttpBinding gt           lt binding name  BasicHttpBinding IService    gt         lt  basicHttpBinding gt       lt  bindings gt       lt client gt         lt endpoint address  http   localhost 8006 Sample Service1 xamlx          binding  basicHttpBinding  bindingConfiguration  BasicHttpBinding IService          contract  ServiceReference1 IService  name  BasicHttpBinding IService    gt       lt  client gt       lt behaviors gt         lt serviceBehaviors gt           lt behavior name    gt             lt serviceMetadata httpGetEnabled  True   gt           lt  behavior gt         lt  serviceBehaviors gt       lt  behaviors gt     lt  system serviceModel gt   lt  configuration gt

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None of the other answers resolved this error for me  I did find a solution that worked  which I suggest for those in the same situation    Close Visual Studio Browse to Projects yourProject yourProject Rename Web Debug config and Web Release config Rebuild and run your application

User · Answer

Make sure your default namespace in the web project properties is the same as the namespace in the Global asax cs   I had modified the default namespace to make it a subnamespace  changing it back fixed this issue for me

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I just had a similar problem   The reason was that I was changing a file aspx c and had to do a clean rebuild  After that everything worked

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I experienced the exact same problem a couple of days ago - as far as I can tell it was an issue with a 64-bit IIS running a 32-bit web application   We changed our production server to 32-bit and this issue disappeared

User · Answer

I had the same error and none of your solutions helped  I think my problem was simply the name that I had chosen for the project  I had named my project  interface  which when I got the parse error it said that it couldn t load      Line 1   lt    Application Codebehind  Global asax cs  Inherits   interface MvcApplication  Language  C        Where there was an     sign for some reason  I am guessing the word  interface  is reserved for something else and it added the   symbol but that obviously broke something  I deleted the project and made a new one with a different name with no problems

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I ve had this a couple of times   It s especially frustrating as it s right off the bat  and the error message holds no clue as to what might be the issue   To fix this  right click your project title  in this case  TestMvcApplication  and click build   This forces the code to compile before you run it   Don t ask me why  but this has been the solution 100  of the time for me

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I never really did get to the bottom of what was causing it for me   I think somewhere I must have been missing some files   I got the error after publishing to a new server   Eventually I copied the site from working site   Then the site worked and so did further publishes to the new server

User · Answer

For completness sake I included what my issue was and how I solved it   If your like me and have httphandlers via web config and you have redirects from your global asax cs  maybe in Session Start     like in my case you get this error if your startup project does not have a reference defined which points to the target where your httphandler is pointing    but you wont get build errors  just runtime errors   So     Double check your web config for any external items Double check your startup project has all the references it needs    Cheers

User · Answer

Make sure that the Namespace in the Global asax file matches that in the Global cs file i e   Global asax  Some Website Webapplication  Global cs  Some Website  minus the  WebApplication

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I have also faced the same issue and somehow IIS Express s config file is not pointing to the correct bin directory for the website  So editing the Config file which will be in Documents IISExpress config fixed the issue  Just point to the correct physical path in Site tag as shown below          lt site name  MYWEBSITE  id  4  gt               lt application path     applicationPool  Clr4IntegratedAppPool  gt                   lt virtualDirectory path     physicalPath  D  MYWEBSITE    gt               lt  application gt               lt bindings gt                   lt binding protocol  https  bindingInformation    44305 localhost    gt                   lt binding protocol  http  bindingInformation    6689 localhost    gt               lt  bindings gt           lt  site gt

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After a long hard look I came accross the real issue here    The assemblies were corrupted by the FTP client I used to upload the files to a hosted environmet    I changed my FTP client and all is working as intended

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My problem was that I was trying to create a ASPX web application in a subfolder of a folder that already had a web config file  and   So I opened up the parent folder in Visual Studio as a Web Site  Open   Web Site  I was able to add a new item ASPX page that had no issue parsing loading

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This issue is complicated because it s easy to confuse the root cause with whatever the immediate cause happens to be   In my case  the immediate cause was that the solution is configured to use NuGet Package Restore  but the server was not connected to the internet  so NuGet was unable to download the dependencies when building for the first time   I believe the root cause is simply that the solution is unable to resolve dependencies correctly  It may be an incorrect path configuration  or the wrong version of an assembly  or conflicting assemblies  or a partial deployment  But in all cases  the error is simply saying that it can t find the type specified in global asax because it can t build it

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For me  the problem was only on certain  long  links within the website and was tracked down to URLScan  having the default configuration of a URL length limit of 260

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In my case reference of System Web MVC was missing from my project  But after adding references issue was same so i checked properties of my Bin folder it was ReadOnly  Just after making it writable everything working fine

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At Dev Server -  Use AnyCPU in Solution Plateform and build again  Please refer this screenshot

User · Answer

If Andy Copley s answer worked for you but simply rebuilding the solution doesn t work  then go to Project   Project Dependencies and make sure that the project that has your Global asax cs file in it is dependent on all the other non-test projects in the solution

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I tried most of the above answers and they didn t work  For some reason just closing and reopening VS fixed the problem for me

User · Answer

The only time I have experienced this was when the MVC framework was not installed on the server  Could that  be the case   A missing Pages section in Views Web config could also be at fault

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I have found that when you are forced to use the Configuration Manager to run under x86 or anything other than the standard project  out of the box  settings  the IDE creates a bunch of sub directories under the bin folder for the web project   Once this starts happening  if the Cassini server is running  then the project does not serve properly   I fixed it by going into the Web Project properties -  Build settings and changing the Output Path to be bin   Then rebuild and all works as it should

User · Answer

I was receiving the parser error after right clicking and excluding the global asax from my Web API 2 solution    It turns out that rather than just excluding it  you have to right click and delete it   After deleting I no longer get the parser error

User · Answer

None of the other answers worked for me  I fixed my error by changing the web project s output path  I had had it set to bin debug but the web project doesn t work unless the output path is set to simply  bin

User · Answer

Here s another one    I had been working on a web api project that was using localhost 12345   I checked out a different branch from source control containing the same project  I ran the project on the branch and got the error  I went to  Properties   Web   Project Url  and clicked  Create Virtual Directory  A dialog came up telling me that the url was mapped to a different directory  the directory for the original project   I clicked Okay and the virtual directory was remapped  The error went away    I hope that helps someone somewhere

[.net] Parser Error Message: Could not load type 'TestMvcApplication.MvcApplication'

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