JSP页面顶端出现错误:The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path的问题解决
原理:把RunTime容器添加进去,比如tomcat的。
1、项目右键->【Build Path】->【Configure Build Path...】

2、把tomcat的runtime添加进去



3、如果发现JRE的版本不正确,也可以进行更新,如下是我改成jre8.0的。



这里也可以直接配置,选择第二项。
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