当我在IIS上托管我的Mvc（种类）应用程序时，无法将请求映射到Custom-Embedded-Resource-HttpHandler

I have some kind of Mvc application in which I register routes with a pattern to a route handler, which gives out our custom httphandler to handle requests with such routes. I could get such requests executed when I run my application on IIS Express. I couldn't do the same when I try and host it on IIS. Could I be missing a handler mapping? If so, how can I map a handler to a route pattern?I have some kind of Mvc application in which I