共计 819 个字符，预计需要花费 3 分钟才能阅读完成。
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