SpringBoot+Maven project compilation failed and error reported

Error content

java: 无法访问org.springframework.web.bind.annotation.PostMapping
  错误的类文件: /E:/apache-maven-3.3.9/repository/org/springframework/spring-web/6.0.2/spring-web-6.0.2.jar!/org/springframework/web/bind/annotation/PostMapping.class
    类文件具有错误的版本 61.0, 应为 55.0
    请删除该文件或确保该文件位于正确的类路径子目录中。

Solution

The solution can be solved by reducing the two dependency versions to 2.xx. 3.xx cannot be used.