<error-page>

        <error-code>404</error-code>

        <location>/404</location>

    </error-page>

    <error-page>

        <error-code>500</error-code>

        <location>/500</location>

    </error-page>

package io.deolin.controller;

import javax.servlet.http.HttpServletRequest;

import org.apache.logging.log4j.LogManager;

import org.apache.logging.log4j.Logger;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

@Controller

public class ErrorPageController {

    Logger log = LogManager.getLogger(ErrorPageController.class);

    @RequestMapping("404")

    public String page404() {

        log.info("HTTP-400错误");

        return "HTTP-404";

    }

    @RequestMapping("500")

    public String page500() {

        log.error(500);

        return "HTTP-500";

    }

}

http://localhost:8080/impossibleeeeeeeeeeeeeeeeeeeee