eclipse 中新建文件报错The superclass "javax.servlet.http.HttpServlet" was not found on the Java Buil 在eclipse中新建文件报错错误提示如下: The superclass "javax.servlet.http.HttpServlet" was not found on the Java Buil 解决方案 右击项目文件名 然后点击确定,以及应用 虽然现在走得很慢,但不会一直这么慢