Pre populate form missing values from nested object

[Conrad CRAMPTON PSE 52704]

Hi, The list archive search doesn't appear to work to forgive me if this is a simple and already answered topic.   I have an actionform that has an object as a property - Premises premises, and a jsp that uses <html:text name="Premises" property="premises.name" />. When I use createPremises.jsp all is ok and the values for premises get through to my action no problem.   The problem I have though is when I want to edit premises. The action (extending Dispatchaction) viz...   public ActionForward edit(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {   PremisesForm premForm = (PremisesForm) form;   String returnMapping = "edit";   Long id = null;   if (request.getParameter("id") != null)    id = new Long(request.getParameter("id"));   if (id == null)    id = (Long) request.getAttribute("id");   try {    PremisesDAO pdao = new PremisesDAO();    Premises prem = pdao.getPremises(id);    premForm.setPremises(prem);    premForm.setOwner(prem.getOwner());    request.setAttribute("Premises", premForm);   } catch (DataAccessException e) {    e.printStackTrace();    returnMapping = "error";    request.setAttribute("error", e.getMessage());   }   return mapping.findForward(returnMapping);  } which is fine and sets the PremisesForm premises attribute correctly. However when this gets submitted ultimately from the jsp, the properties of premises that aren't html:text elements in my jsp aren't being retained. e.g. id (primary key of premises from db, and other things like collections of other pojo's in premises.   So the question is this - how do I retain values of nested properties that aren't required to be (or cannot be) represented in the jsp? It appears that the value of premises is always null and not using what is in the request scope when the jsp is submitted.   I am sure this is simple answer but I just can't get it!   TIA Conrad     Conrad Crampton Software Solutions Manager Force Headquarters 11 Edinburgh Square Sutton Road Maidstone ME15 9BZ 01622 653283 (ext) 19-3283 (internal) 07814 011752 (mobile)

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