How to make custom WCF error handler return JSON response with non-OK http code?

Question

I\'m implementing a RESTful web service using WCF and the WebHttpBinding. Currently I\'m working on the error handling logic, implementing a custom error handler (IErrorHand

Answer 1

What does the ErrorMessage class look like?

Don't use the StatusMessage field for machine-readable data -- see http://tools.ietf.org/html/rfc2616#section-6.1.1 .

Also, it may be okay that "the http body now has the text 'Failed to load source for: http://localhost:7000/bla..' instead of the actual JSON data.." -- a literal string is JSON data if I remember correctly.