eclipse中，项目有红叉之- The superclass "javax.servlet.http.HttpServlet" was not found on the Java
Posted 孟夏草木长
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1.The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path
2.原因：确实servlet-api.jar
3.导入servlet-api.jar，其中一种方法：项目右击->build path->configure build path->add library->server runtime->apache tomcat
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