JAXB: How should I marshal complex nested data structures?

Question

I have several complex data structures like

Map< A, Set< B > >
Set< Map< A, B > >
Set< Map< A, Set< B > > >
Map<         


        

Answer 1

To fix this for JSON do: jackson with jaxb

        com.sun.jersey.api.json.POJOMappingFeature
        true