解决方法：在web.xml里添加如下的配置

<servlet-mapping>
     <servlet-name>default</servlet-name>
     <url-pattern>*.css</url-pattern>
</servlet-mapping>

<servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.gif</url-pattern>

</servlet-mapping>
   
<servlet-mapping>
     <servlet-name>default</servlet-name>
     <url-pattern>*.jpg</url-pattern>
</servlet-mapping>
   
<servlet-mapping>
     <servlet-name>default</servlet-name>
     <url-pattern>*.js</url-pattern>
</servlet-mapping>

No mapping found for HTTP request with URI xxx/resources/js/jquery.min.js...