Eclipse添加jsp页面后引入java指令报错解决方法

新建jsp页面老提示：

Multiple annotations found at this line:
- The superclass "javax.servlet.http.HttpServlet" was not found on the Java
Build Path
- The superclass "javax.servlet.http.HttpServlet" was not found on the Java
Build Path

解决步骤：

 

1、右键项目-build path

2、选择configure build path...

3、选择 java build path

4、Add Library –> server Runtime -> Click Next

5、选择  Server runtime (我的是 Tomcat 7.0) –>完成