Tomcat error

구성요소 [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]]을(를) 시작하지 못했습니다.

https://til-make-it.tistory.com/16 (opens new window)

The project was not built since its build path is incomplete. Cannot find the class file for javax.servlet.http.HttpServletRequest. Fix the build path then try building this project

https://chobopark.tistory.com/212 (opens new window)