spring mvc学习（14） the superclass “javax.servlet.http.HttpServlet” was not found

2024-05-04 00:44:53

问题描述：　　

　　我们在用MyEclipse进行Java web开发时，可能会出现这样的错误：The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path。我们该怎么解决这个问题呢？

　　我遇到的错误显示如下：

　　

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问题原因：

　　原来Javaweb工程类中没有添加 Tomcat运行时相关类 导致。

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解决办法：

　　下面是具体的解决方法：

　　1、右击 web工程 --> 属性或Build Path --> Config Build Path... --> Java Build Path --> Libraries --> Add Library... --> MyEclipse Server Library --> Apache Tomcat v9.0

　　

　　

　　

　　

　　2、切换到 Java Build Path 界面中的 Orader and Export，选择 Apache Tomcat v9.0[Apache Tomcat v9.0]。

　　

注意事项：

　　按以上方法操作时，若打开 MyEclipse Server Library 后一片空白，需要设置 Apache Tomcat服务器。

　　设置方法为：Window --> Preferences --> Servers --> Runtime Environment --> Add... --> 选择Apache Tomcat 的版本后点 Next，再填入你Apache Tomcat服务器软件的安装（解压后）地址。

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