Servlet 진행 도중 화이트 라벨 에러 해결

main에 @ServletComponentScan 을 달아주면된다.

@ServletComponentScan //서블릿 직접등록후 사용하겠음.

package hello.servlet;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletComponentScan;

@ServletComponentScan //서블릿 직접등록후 사용하겠음.
@SpringBootApplication
public class ServeltApplication {

    public static void main(String[] args) {
       SpringApplication.run(ServeltApplication.class, args);
    }

}