The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path 解决办法
出现 The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path
♦ 未在 Java构建路径中 找到父类 "javax.servlet.http.HttpServlet"
♦ 解决办法:
项目右击 → Build Path → 右侧 Add Library → server runtime → Apache Tomcat
→ Finish → Apply