Eclipse: The superclass “jakarta.servlet.http.HttpServlet“ was not found on the Java Build Path

The superclass“jakarta.servlet.http.HttpServlet” was not found on the Java Build Path

问题描述：

在Eclipse的Web项目中创建index.jsp文件时，显示错误：The superclass

“jakarta.servlet.http.HttpServlet” was not found on the Java Build Path

解决方案：

1右键点击web项目目录选择Build Path下的Configure Build Path

2.添加库文件

3添加至Server Runtime库

4选择启动项目的Tomcat服务器，Finnish

5重启打开文件即可，若还是不行，重新创建jsp文件就不会报错了

eclipse最新版可能要重新删除在创建一个