Spring MVC 中使用 JSON 406错误

错误信息

15:05:42,695 DEBUG DispatcherServlet:865 - DispatcherServlet with name 'dispatcherServlet' processing POST request for [/demo/test/show1]
15:05:42,704 DEBUG DefaultAnnotationHandlerMapping:140 - Mapping [/test/show1] to HandlerExecutionChain with handler [com.controller.SpringController@42bc2f82] and 1 interceptor
15:05:42,725 DEBUG DefaultCorsProcessor:77 - Skip CORS processing: request is from same origin
15:05:42,753 DEBUG HandlerMethodInvoker:177 - Invoking request handler method: public java.util.Map com.controller.SpringController.show1(com.entity.User)
15:05:42,755 DEBUG AnnotationMethodHandlerExceptionResolver:133 - Resolving exception from handler [com.controller.SpringController@42bc2f82]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
15:05:42,756 DEBUG ResponseStatusExceptionResolver:133 - Resolving exception from handler [com.controller.SpringController@42bc2f82]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
15:05:42,757 DEBUG DefaultHandlerExceptionResolver:133 - Resolving exception from handler [com.controller.SpringController@42bc2f82]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
15:05:42,757 DEBUG DispatcherServlet:1044 - Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
15:05:42,757 DEBUG DispatcherServlet:1000 - Successfully completed request

 

在SpringMVC配置文件上 添加<mvc:annotation-driven />,

仅仅使用<context:component-scan base-package="com.controller" />，会忽略@ResponseBody注解,导致回传数据时,不能转换为json格式,406错误；