The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

创建好的webproect项目报错，打开是jsp页面报The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path，是因为web容器没有加载进来，解决方案：项目右键build path →configure build path... → add library... 选择：



next,选择配置好的tomcat，完成，点击OK即可。