IDEA运行简单spingboot浏览器页面报错信息：

Whitelabel Error Page

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

Tue Aug 09 17:41:51 CST 2022

There was an unexpected error (type=Not Found, status=404).

在网上试了很多种方法都不行，包括：

1、Application启动类的位置不对

2、在springboot的核心配置文件:application.yml或application.properties中关于视图解析器的配置问题:
当pom文件下的spring-boot-starter-paren版本高时使用:
spring.mvc.view.prefix/spring.mvc.view.suffix
当pom文件下的spring-boot-starter-paren版本低时使用:
spring.view.prefix/spring.view.suffix

3、控制器的URL路径书写问题
@RequestMapping(“xxxxxxxxxxxxxx”)
实际访问的路径与”xxx”不符合.

以上方法都不行，而且我的Application启动类的位置正确，版本正确，路径正确。后面在一个博主那里找到原因，附上大佬博客链接Spring Boot整合jsp后必须通过spring-boot:run方式启动？ - SegmentFault 思否s

解决方法：

1、不用main方法启动，因为通过main方法启动无法渲染。

2、需要用mvn clean spring-boot:run(点击右侧的maven，找到运行的springboot项目，点击插件)启动，因为通过maven启动能够正常渲染jsp页面。

用mvn clean spring-boot:run 运行，成功！！

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Whitelabel Error PageThis application has no explicit mapping for /error, so you are seeing this as

IDEA运行简单spingboot浏览器页面报错信息：

Whitelabel Error Page

Whitelabel Error PageThis application has no explicit mapping for /error, so you are seeing this as相关推荐

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