Description Resource Path Location Type The superclass "javax.servlet.http.HttpServlet" was not foun

一段时间没亲自建新项目玩乐，今天建立了一Maven project的时候发现了以下异常，Description Resource Path Location Type

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path index.jsp /easyBuy/src/main/webapp line 1 JSP Problem

经过查找原因，原来是因为忘记设置server runtime environment ,按一下步骤设置即可：

根据自己需要设置对应的server runtime 环境

异常解决了