spring mvc No mapping found for HTTP request with URI
2017-01-04 18:28
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问题原因:罪魁祸首是web.xml下对spring的DispatcherServlet请求url映射的配置,原配置如下:
<servlet>
<servlet-name>spring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>spring</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
分析原因:<servlet-mapping>的<url-pattern>/</url-pattern>把所有的请求都交给spring去处理了,而所有available的请求url都是在Constroller里使用类似@RequestMapping(value = "/login/{user}", method = RequestMethod.GET)这样的注解配置的,这样的话对js/css/jpg/gif等静态资源的访问就会得不到。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>
[b]解决方法2:在spring的配置文件中添加如下一行:[/b]
[b]<mvc:default-servlet-handler/>[/b]注意,需要是spring3.0.5以上版本
[b][b]解决方法3[/b][/b]
<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources directory -->
<mvc:resources mapping="/resources/**" location="/resources/" />
这个配置告诉spring 静态资源的处理方式
<servlet>
<servlet-name>spring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>spring</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
分析原因:<servlet-mapping>的<url-pattern>/</url-pattern>把所有的请求都交给spring去处理了,而所有available的请求url都是在Constroller里使用类似@RequestMapping(value = "/login/{user}", method = RequestMethod.GET)这样的注解配置的,这样的话对js/css/jpg/gif等静态资源的访问就会得不到。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>
[b]解决方法2:在spring的配置文件中添加如下一行:[/b]
[b]<mvc:default-servlet-handler/>[/b]注意,需要是spring3.0.5以上版本
[b][b]解决方法3[/b][/b]
<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources directory -->
<mvc:resources mapping="/resources/**" location="/resources/" />
这个配置告诉spring 静态资源的处理方式
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