WCF Service returning “requested service '…' could not be activated” the first time it's accessed from an MVC site

Question

We have a WCF service (with no security) that is being accessed by an MVC3 website.

On the developer machines we have no problems with it but when our TeamCity setup bui

Answer 1

I had that problem too, what I did is:

• Go to the directory in the file system where the service resides
• you will have 2 files for the service
  • yourService.svc
  • yourService.svc.cs

• Open the file yourService.svc and make sure that your service is configured, and the code behind looks like this:

  <%@ ServiceHost Language="C#" Debug="true" Service="YourNamespace.yourService.svc" CodeBehind="yourService.svc.cs" %>
  

I fixed my issue that way. I hope it helps!