我有一个简单的Spring MVC应用程序。但是,我似乎可以正确设置requestMappings。奇怪的是,日志显示该URL已映射到正确的控制器,但是Dispatcher似乎无法在运行时找到它。我们欢迎所有的建议:
日志记录
INFO: Mapped URL path [/app/index] onto handler [com.noisyair.whatisayis.web.MainController@420a52f] Jan 11, 2010 2:14:21 PM org.springframework.web.servlet.handler.AbstractUrlHandlerMapping registerHandler INFO: Mapped URL path [/app/index.*] onto handler [com.noisyair.whatisayis.web.MainController@420a52f] Jan 11, 2010 2:14:21 PM org.springframework.web.servlet.handler.AbstractUrlHandlerMapping registerHandler INFO: Mapped URL path [/app/index/] onto handler [com.noisyair.whatisayis.web.MainController@420a52f] Jan 11, 2010 2:14:21 PM org.springframework.web.servlet.handler.AbstractUrlHandlerMapping registerHandler INFO: Mapped URL path [/app/tags/{tag}] onto handler [com.noisyair.whatisayis.web.SearchByTagController@7b3cb2c6] Jan 11, 2010 2:14:21 PM org.springframework.web.servlet.handler.AbstractUrlHandlerMapping registerHandler INFO: Mapped URL path [/app/tags/{tag}.*] onto handler [com.noisyair.whatisayis.web.SearchByTagController@7b3cb2c6] Jan 11, 2010 2:14:21 PM org.springframework.web.servlet.handler.AbstractUrlHandlerMapping registerHandler INFO: Mapped URL path [/app/tags/{tag}/] onto handler [com.noisyair.whatisayis.web.SearchByTagController@7b3cb2c6] Jan 11, 2010 2:14:21 PM org.springframework.web.servlet.FrameworkServlet initServletBean INFO: FrameworkServlet 'wisi': initialization completed in 237 ms Jan 11, 2010 2:14:21 PM org.apache.catalina.core.StandardContext start INFO: Container org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/] has already been started Jan 11, 2010 2:14:41 PM org.springframework.web.servlet.DispatcherServlet noHandlerFound WARNING: No mapping found for HTTP request with URI [/app/index] in DispatcherServlet with name 'wisi'
Web.xml文件
<listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- The Spring MVC framework handles all of this stuff. Just pass it along --> <servlet> <servlet-name>wisi</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet </servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>wisi</servlet-name> <url-pattern>/app/*</url-pattern> </servlet-mapping>
控制器类:
@Controller public class MainController { @Autowired private LearningEntryService learningEntryService; public LearningEntryService getLearningEntryService() { return learningEntryService; } public void setLearningEntryService(LearningEntryService learningEntryService) { this.learningEntryService = learningEntryService; } @RequestMapping(value = "/app/index", method = RequestMethod.GET) public ModelAndView sayHello(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { Map<String, Object> model = new HashMap<String, Object>(); List<LearningEntry> le = learningEntryService.getLearningEntries(); model.put("learningEntries", le); return new ModelAndView("main", model); } }
您不应该在@RequestMapping和中都复制“ / app” <url-pattern>。也就是说,您的sayHello现在映射到“ / app / app / index”。你可以写
@RequestMapping
<url-pattern>
sayHello
@RequestMapping(value = "/index", method = RequestMethod.GET)
(或者,您可以DefaultAnnotationHandlerMapping在配置中声明bean并将其allwaysUseFullPath属性设置true为覆盖默认行为)
DefaultAnnotationHandlerMapping
allwaysUseFullPath
true