request.getServletContext 가 빨간줄 생길때

http://blog.naver.com/PostView.nhn?blogId=javaking75&logNo=220072102739 참조~

버전을 바꿔줍니다

 <dependency>

            <groupId>javax.servlet</groupId>

            <artifactId>javax.servlet-api</artifactId>

            <version>3.0.1</version>

            <scope>provided</scope>

        </dependency>

        <dependency>

            <groupId>javax.servlet.jsp</groupId>

            <artifactId>jsp-api</artifactId>

            <version>2.2</version>

            <scope>provided</scope>

        </dependency>

        <dependency>

            <groupId>javax.servlet</groupId>

            <artifactId>jstl</artifactId>

            <version>1.2</version>

        </dependency>