Eclipse新建web项目出现The superclass javax.servlet.http.HttpServlet was not found on the Java Build Path

问题：Eclipse新建web项目出现The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path

新建web项目后都，jsp页面顶端出现“红色”的报错信息：The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path，经过仔细查看，原来是javaweb工程中没有添加tomcat运行时的相关类导致
解决方法：
方法1.找到tomcat安装路径，在tomcat根目录下的lib文件夹里，有一个servlet-api.jar，将这个jar包导入到项目中即可；
方法2：（1）右击web工程->属性或Build Path->Java Build Path -> Libraries -> Add Library… ->Server Runtime -> Tomcat Server
（2）切换到Java Build Path界面中的Orader and Export，选择Tomcat。

注意：按以上方法操作室，若打开Server Runtime 后一篇空白，需要设置Apache服务器。
步骤：Window->Preferences ->Server ->Runtime->Environment->add->选择Apache的版本后点next，再填入你的Apache服务器软件的安装地址

转载链接：https://blog.csdn.net/Dream_angel_Z/article/details/44875213

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