Error consuming webservice, content type “application/xop+xml” does not match expected type “text/xml”

Question

I\'m having a weird issue when consuming a webservice for a product that my company has bought. The product is called Campaign Commander and it\'s made by a company called

Answer 1

If you're self-hosting a WCF service and you're consuming the service with a WCF client. You must remember to set the MessageEncoding property in the host like this:

BasicHttpBinding binding = new BasicHttpBinding();
binding.MessageEncoding = WSMessageEncoding.Mtom;

I ran into this problem as well. My client kept throwing this Exception on start up and I couldn't figure out why until I realized that I forgot to set my bindings MessageEncoding property in the host application.