mapping pages in Java, JSP

MainController.java

@RequestMapping(value = "/dashboard/redirect", method = {RequestMethod.GET, RequestMethod.HEAD})
    public String dashboardRedirect() {
        User user = (User) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
        if (user == null) return "redirect:/";
        Set<UserRole> roles = user.getUserRoles();
        for (UserRole role : roles) {
            if (role.getListRole() == ListRole.ROLE_CLIENT) {
                return "redirect:/dashboard/client/main";
            } else if (role.getListRole() == ListRole.ROLE_EMPLOYEE) {
                return "dashboardEmployeeMain"; //open page, its ok
            } else if (role.getListRole() == ListRole.ROLE_ADMIN) {
                return "redirect:/dashboard/admin/main";
            }
        }
        return "access_denied";
    }

DashboardEmployeeController.java have a problem "The origin server did not find a current representation for the target resource or is not willing to disclose that one exists." "PageNotFound:1120 - No mapping found for HTTP request with URI [/bank_war/dashboardEmployeeCredits] in DispatcherServlet with name 'mvc-dispatcher'"

class DashboardEmployeeController extends AbstractController {
    private final static Logger logger = Logger.getLogger(DashboardEmployeeController.class);

    private static String path = "/dashboard/employee/";

    @Autowired
    private CreditService creditService;

    @RequestMapping(value = "/main", method = {RequestMethod.GET, RequestMethod.HEAD})

    public String dashboardClientMain(Model model) {
        logger.info("GET: " + path + "main");
        User user = getCurrentUser();
        if (user == null) return "redirect:/";
        model.addAttribute("user", user);
        return "dashboard_employee_main";
    }

    @RequestMapping(value = "/clients", method = {RequestMethod.GET, RequestMethod.HEAD})
    public String dashboardEmployeeClients(Model model) {
        logger.info("GET: " + path + "clients");
        User user = getCurrentUser();
        if (user == null) return "redirect:/";
        model.addAttribute("user", user);
        List<User> users = (List<User>)userService.getAllUnconfirmedUsers();
        model.addAttribute("users", users);
        return "dashboard_employee_clients";
    }


    @RequestMapping(value = "/credits", method = {RequestMethod.GET, RequestMethod.HEAD})
    public String dashboardEmployeeCredits(Model model) {
        logger.info("GET: " + path + "credits");
        User user = getCurrentUser();
        if (user == null) return "redirect:/";
        model.addAttribute("user", user);
        List<Credit> credits = (List<Credit>)creditService.getAllUnconfirmedCredits();
        model.addAttribute("credits", credits);
        return "dashboard_employee_credits";
    }

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