jsp报错：Multiple annotations found at this line

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


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