异常记录二：寻求解决异常 ！No mapping found for HTTP request with URI

15:57:44,379 DEBUG ClientCnxn:742 - Got ping response for sessionid: 0x1709ebb4b7f0024 after 0ms
15:57:48,627 DEBUG DispatcherServlet:891 - DispatcherServlet with name 'springmvc' processing GET request for [/checkItem/findAll.do]
15:57:48,628 DEBUG RequestMappingHandlerMapping:312 - Looking up handler method for path /checkItem/findAll.do
15:57:48,628 DEBUG RequestMappingHandlerMapping:319 - Returning handler method [public com.itheima.entity.Result com.itheima.controller.CheckItemController.findAll()]
15:57:48,629 DEBUG DefaultListableBeanFactory:254 - Returning cached instance of singleton bean 'checkItemController'
15:57:48,629 DEBUG DispatcherServlet:979 - Last-Modified value for [/checkItem/findAll.do] is: -1
15:57:48,698 DEBUG DecodeHandler:58 -  [DUBBO] Decode decodeable message com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcResult, dubbo version: 2.6.0, current host: 192.168.69.26
15:57:48,702 DEBUG RequestResponseBodyMethodProcessor:277 - Written [com.itheima.entity.Result@46c0958f] as "application/json" using [com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter@34eeb77]
15:57:48,703 DEBUG DispatcherServlet:1076 - Null ModelAndView returned to DispatcherServlet with name 'springmvc': assuming HandlerAdapter completed request handling
15:57:48,703 DEBUG DispatcherServlet:1000 - Successfully completed request
15:57:54,381 DEBUG ClientCnxn:742 - Got ping response for sessionid: 0x1709ebb4b7f0024 after 2ms
15:58:00,359 DEBUG DispatcherServlet:891 - DispatcherServlet with name 'springmvc' processing POST request for [/checkgroup/add.do]
15:58:00,359 DEBUG RequestMappingHandlerMapping:312 - Looking up handler method for path /checkgroup/add.do
15:58:00,360 DEBUG RequestMappingHandlerMapping:322 - Did not find handler method for [/checkgroup/add.do]
15:58:00,360  WARN PageNotFound:1205 - No mapping found for HTTP request with URI [/checkgroup/add.do] in DispatcherServlet with name 'springmvc'
15:58:00,361 DEBUG DispatcherServlet:1000 - Successfully completed request
15:58:04,382 DEBUG ClientCnxn:742 - Got ping response for sessionid: 0x1709ebb4b7f0024 after 2ms
15:58:06,309 DEBUG DispatcherServlet:891 - DispatcherServlet with name 'springmvc' processing POST request for [/checkgroup/add.do]
15:58:06,309 DEBUG RequestMappingHandlerMapping:312 - Looking up handler method for path /checkgroup/add.do
15:58:06,311 DEBUG RequestMappingHandlerMapping:322 - Did not find handler method for [/checkgroup/add.do]
15:58:06,311  WARN PageNotFound:1205 - No mapping found for HTTP request with URI [/checkgroup/add.do] in DispatcherServlet with name 'springmvc'
15:58:06,311 DEBUG DispatcherServlet:1000 - Successfully completed request
15:58:14,380 DEBUG ClientCnxn:742 - Got ping response for sessionid: 0x1709ebb4b7f0024 after 0ms
15:58:24,383 DEBUG ClientCnxn:742 - Got ping response for sessionid: 0x1709ebb4b7f0024 after 1ms
15:58:34,385 DEBUG ClientCnxn:742 - Got ping response for sessionid: 0x1709ebb4b7f0024 after 2ms
15:58:44,383 DEBUG ClientCnxn:742 - Got ping response for sessionid: 0x1709ebb4b7f0024 after 0ms
15:58:54,385 DEBUG ClientCnxn:742 - Got ping response for sessionid: 0x1709ebb4b7f0024 after 0ms