求大神帮助Spring经典报错，http请求spring过滤器过滤/cm报错，Controller中过滤@RequestMapping(value="/cm")

[深思熟虑的先生]

2015-08-27 14:53:31,693 DEBUG [DispatcherServlet.java:823] - DispatcherServlet with name 'spring' processing GET request for [/Tracking/impress]
2015-08-27 14:53:31,696 DEBUG [AbstractUrlHandlerMapping.java:124] - Mapping [/impress] to HandlerExecutionChain with handler [com.baiwu.controller.ImpressController@3d8dc510] and 1 interceptor
2015-08-27 14:53:31,704 DEBUG [DispatcherServlet.java:912] - Last-Modified value for [/Tracking/impress] is: -1
2015-08-27 14:53:31,719 DEBUG [HandlerMethodInvoker.java:173] - Invoking request handler method: public void com.baiwu.controller.ImpressController.impress(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse,org.springframework.ui.Model) throws javax.servlet.ServletException,java.io.IOException
2015-08-27 14:53:31,726 INFO [ImpressServiceImpl.java:77] - Tanx_ADX 3 1 2 3 4 5 6 Yahe86sdfgeraH null 0:0:0:0:0:0:0:1 2015-08-27 14:53:31
2015-08-27 14:53:31,748 DEBUG [DispatcherServlet.java:999] - Null ModelAndView returned to DispatcherServlet with name 'spring': assuming HandlerAdapter completed request handling
2015-08-27 14:53:31,750 DEBUG [FrameworkServlet.java:966] - Successfully completed request