Integer executionDegreeId = new Integer(request.getParameter("executionDegreeId")); Object[] args = { executionDegreeId, Boolean.FALSE, null }; List infoSiteTeachersInformation = (List) ServiceUtils.executeService(userView,
DynaActionForm teacherInformationForm = (DynaActionForm) actionForm; Integer degreeCurricularPlanID = new Integer(request.getParameter("degreeCurricularPlanID")); request.setAttribute("degreeCurricularPlanID", degreeCurricularPlanID);  Integer executionDegreeID = new Integer(request.getParameter("executionDegreeId")); request.setAttribute("executionDegreeId", executionDegreeID);   List executionYearList = null; try { Object[] args = { degreeCurricularPlanID }; executionYearList = (List) ServiceUtils.executeService(userView, "ReadExecutionYearsByDegreeCurricularPlanID", args); } catch (Exception e) { e.printStackTrace(); }  List executionYearsLabelValueList = new ArrayList(); for (int i = 0; i < executionYearList.size(); i++) { InfoExecutionYear infoExecutionYear = (InfoExecutionYear) executionYearList.get(i); executionYearsLabelValueList.add(new LabelValueBean(infoExecutionYear.getYear(), infoExecutionYear.getYear())); }  request.setAttribute("executionYearList", executionYearsLabelValueList);  String yearString = (String) teacherInformationForm.get("yearString"); List infoSiteTeachersInformation = null;  if (yearString.equalsIgnoreCase("") || yearString == null) {  teacherInformationForm.set("yearString", ((InfoExecutionYear) executionYearList .get(executionYearList.size() - 1)).getYear()); }  Object[] args = { executionDegreeID, Boolean.FALSE, yearString }; infoSiteTeachersInformation = (List) ServiceUtils.executeService(userView,
    public ActionForward execute(ActionMapping mapping, ActionForm actionForm,            HttpServletRequest request, HttpServletResponse response) throws Exception {        IUserView userView = SessionUtils.getUserView(request);        Integer executionDegreeId = new Integer(request.getParameter("executionDegreeId"));        Object[] args = { executionDegreeId, Boolean.FALSE, null };        List infoSiteTeachersInformation = (List) ServiceUtils.executeService(userView,                "ReadTeachersInformation", args);        request.setAttribute("infoSiteTeachersInformation", infoSiteTeachersInformation);        return mapping.findForward("show");    }