Written ({}) as "application/json" using [org. Springframework. HTTP. Converter. Json. 49 c83262] MappingJackson2HttpMessageConverter @
The T16 2021-02-07:13, 223 the DEBUG [HTTP - nio - 8988 - exec - 3] org. Springframework. Web. Servlet. DispatcherServlet: Null ModelAndView returned to DispatcherServlet with the name 'DispatcherServlet: assuming HandlerAdapter completed request handling

CodePudding user response:

Check the parameter type

CodePudding user response:

See the error message is a json object turn HTTP requests go wrong, whether the converter in the right setting, such as ignoring the json empty fields and so on