新项目，新建jsp页面的时候报异常：
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
右击项目 -> Properties -> Java Build Path -> Libraries 选项 -> 点击 Add Library -> Server Runtime
选择tomcate -> 完成。
如下：
再看jsp 页面已经正常了。