关于jsp页面中:The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build P

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1、异常信息截图

 

2、异常发生的原因:

  在java的构建环境中没有找到父类:javax.servlet.http.HttpServlet这个类、我们得知这个类所需要的jar包为servlet.jar、我们将该jar包加入到java构建路径中即可、因为该jar包在tomcat下、所以我们只需要将tomcat总体加入到java运行环境中即可

  具体步骤如下:

  

 

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