SpringBoot+jsp项目启动出现404的解决方法

通过maven创建springboot项目启动出现404

application.properties配置

spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp

项目结构

控制器方法

package com.example.demo.controller;

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

@Controller
public class IndexController {

  @RequestMapping("/")
  public String index() {
    return "index";
  }
}

启动项目访问localhost:8080，出现404

Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.

Thu Feb 28 22:59:29 CST 2019
There was an unexpected error (type=Not Found, status=404).
No message available

解决方法

pom.xml添加依赖

<dependency>
  <groupId>org.apache.tomcat.embed</groupId>
  <artifactId>tomcat-embed-jasper</artifactId>
</dependency>
<dependency>
  <groupId>javax.servlet</groupId>
  <artifactId>jstl</artifactId>
</dependency>

clean并刷新maven

重启并访问localhost:8080

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