java异常：The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path。

Love The Way You Lie 2021-11-09 02:40 261阅读 0赞

# 目录： #

> 1.  异常代码如下
> 2.  问题原因
> 3.  解决办法
> 4.  注意事项

--------------------

**1.异常代码如下： **

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path。

![SouthEast][]

**2.问题原因：**

原来Javaweb工程类中没有添加 **Tomcat运行时相关类 **导致。

**3.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..**. --> **Server Runtime **\--> **Apache Tomcat v7.0**

![SouthEast 1][]

![SouthEast 2][]

![SouthEast 3][]

![SouthEast 4][]

2、切换到** Java Build Path** 界面中的** Orader and Export**，选择** Apache Tomcat v7.0\[Apache Tomcat v7.0\]**。

![SouthEast 5][]

![SouthEast 6][]

**4.注意事项：**

按以上方法操作时，若打开**Server Runtime**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**。

作者：Roger\_CoderLife

链接：[https://blog.csdn.net/Roger\_CoderLife/article/details/][https_blog.csdn.net_Roger_CoderLife_article_details]

本文为Roger\_CoderLife的原创文章，著作权归作者所有，转载请注明原文出处，欢迎转载！

[SouthEast]: /images/20211109/5b2b1c3649e040e38fd510be0c29b6f4.png
[SouthEast 1]: /images/20211109/9fb351687ff24a84a103d3897be2dff4.png
[SouthEast 2]: /images/20211109/31b2f5128e05488d9e82ec87b5db596e.png
[SouthEast 3]: /images/20211109/6a8b50af61db41539e5faa6ad30e2ea6.png
[SouthEast 4]: /images/20211109/2d2343250cda4ec9b44f40ada82f0dd8.png
[SouthEast 5]: https://img-blog.csdn.net/20140702195055500?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdGVzdGNzX2Ru/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
[SouthEast 6]: https://img-blog.csdn.net/20140702195215968?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdGVzdGNzX2Ru/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
[https_blog.csdn.net_Roger_CoderLife_article_details]: https://blog.csdn.net/Roger_CoderLife/article/details/86802787

java异常：The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path。

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