嗨，我在重定向期间收到下一个错误：

The request sent by the client was syntactically incorrect

浏览器显示的URL是：localhost：8080 / Project / menu / main / home / 0，这里我的类重定向首先 – “从”，第二个“到”：

/*

* Get all possible values of menu and generate correct url to pages controllers

*

*/

@Controller

@SessionAttributes("menu")

public class MainMenuController {

@ModelAttribute

public Menu createMenu() {

return new Menu();

}

@RequestMapping(value = "/menu", method = RequestMethod.GET)

public String mainMenuResolver(@ModelAttribute Menu menu) {

menu.setMainMenu("first");

return "forward:/menu/first";

}

@RequestMapping(value = "/menu/{mainMenu}", method = RequestMethod.GET)

public String subMenuResolver(@PathVariable String mainMenu, @ModelAttribute Menu menu) {

menu.setMainMenu(mainMenu);

menu.setSubMenu("home");

return "forward:/menu/first/home";

}

@RequestMapping(value = "/menu/{mainMenu}/{subMenu}", method = RequestMethod.GET)

public String secMenuResolver(@PathVariable String mainMenu, @PathVariable String subMenu, @ModelAttribute Menu menu) {

menu.setMainMenu(mainMenu);

menu.setSubMenu(subMenu);

menu.setSecMenu("0");

if (menu.getMainMenu().equals("first")){

return "redirect:/menu/main/"+menu.getSubMenu()+"/"+menu.getSecMenu();

}

if (menu.getMainMenu().equals("second")){

return "redirect:/menu/religion/"+menu.getSubMenu()+"/"+menu.getSecMenu();

}

return "redirect:/menu/main/"+menu.getSubMenu()+"/"+menu.getSecMenu();

}

}

二等：

@Controller

@SessionAttributes("menu")

public class FirstPageController {

@ModelAttribute

public Menu createMenu() {

return new Menu();

}

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

public ModelAndView menuResolver(@PathVariable String mainMenu, @PathVariable String subMenu,@PathVariable String secMenu, @ModelAttribute("menu") Menu menu) {

menu.setMainMenu(mainMenu);

menu.setSubMenu(subMenu);

menu.setSecMenu(secMenu);

if (menu.getSubMenu().equals("home")){

String title = "Project - Home Page";

return new ModelAndView("MainPage", "title", title);

}

String title = "Project - Home Page";

return new ModelAndView("MainPage", "title", title);

}

}

解决了：我解决了，在第二类的方法中有多余的参数。