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，

一、问题：

完整错误信息：

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DescriptionResourcePathLocationType

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Pathadd.jsp/dwz-java/WebContent/WEB-INF/jsp/management/newsline 1JSP Problem

二、解决：

在出现此错误的项目上单击鼠标右键》Build Path》Configure Build Path

server library[unbound] 服务未绑定解决办法