Model-driven WebWork2 actions are very useful for simple objects, but when a relationship to another object needs to be mapped, one currently needs to custom code it (or use Type Conversion). The way I see it, is that this should be standard functionality for a MVC framework, and it is perfectly possible. Here is how I see this implemented: The CreatePerson action has a private field and a getter and setter: private Address address; public Address getAddress() { return address;...