Spring 3.2 content negotiation class cast exception

Question

We develop a standard Java web application using Spring MVC, and have recently tried to upgrade from 3.0.6 to 3.2.0. Nearly of all our servlet responses are JSP or Json views, b

Answer 1

I fixed the problem by removing duplicated from xml-configuration or @EnableWebMVC annotation from the class because spring documentation warns about that and allowed only once by contract.