jsp页面报错: The superclass "javax.servlet.http.HttpServlet" was not found on the Java

小咪咪 2022-04-15 04:27 212阅读 0赞

**现象：**  
项目的jsp页面报错  
Multiple annotations found at this line:  
\- The superclass “javax.servlet.http.HttpServlet” was not found on the Java  
Build Path  
\- Line breakpoint:install.jsp \[line: 1\]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70]

**方法：**  
1、右键项目-build path、  
2、选择configure build path…  
3、选择 Java build path  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70 1]

4、Add Library –> server Runtime -> Click Next![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70 2]  
5、选择 Server runtime 点击 完成  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70 3]  
6、完成之后libraries显示服务  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70 4]7、错误消失  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70 5]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70]: /images/20220415/6773865bd90941d3874abee866be072c.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70 1]: /images/20220415/a7fc96a0d46445c58d62c9a61a86b71d.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70 2]: /images/20220415/37c445c312554ecca638775eec8ccd1a.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70 3]: /images/20220415/6ca356324d8944269136121e41da7794.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70 4]: /images/20220415/b0f1283ee3ce47729f053e24ad41dda6.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hjd2JyMTIz_size_16_color_FFFFFF_t_70 5]: /images/20220415/338a99a463e24d4297ee451abda65f2a.png

jsp页面报错: The superclass "javax.servlet.http.HttpServlet" was not found on the Java

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