public String execute() throws NamingException, SQLException { HttpSession session = ServletActionContext.getRequest().getSession(false); User u = (User) session.getAttribute("user"); GroupDAO grp = new GroupDAOImpl(); System.out.println("icon " + icon); setGroup_id( String.valueOf( grp.insertGroupDetails(Integer.parseInt(u.getUserId()), grpName, grpMembers, icon))); GroupDAO grp1 = new GroupDAOImpl(); setGrpList(grp1.getAllGroups(Integer.parseInt(u.getUserId()))); System.out.println("after creation group id" + group_id); return "success"; }