In my model I have an object with a List type attribute called parts and a few primitive ones. In my JSP I want to display this list and and allow the user to add/delete to/from this list. The problem is when the form gets submitted only the primitive attributes get bound. The List attribute remains null.
To illustrate what I'm looking for, in JSF they have a "datatable" tag that automatically binds the item table to the "parts" attribute: