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codingb
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    오류 뜬 것

    coding S's avatar
    coding S
    Apr 19, 2024
    오류 뜬 것

    [ 컨트롤러에 똑같은 url이 2개 ]

    org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestMappingHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Ambiguous mapping. Cannot map 'replyController' method shop.mtcoding.blog.model.reply.ReplyController#delete(Integer) to {DELETE [/api/replies/{id}]}: There is already 'replyApiController' bean method shop.mtcoding.blog.model.reply.ReplyApiController#delete(Integer) mapped.
     

    [ @RequestParam은 json으로 파싱 불가! 터짐! ]

    @PostMapping("/users/join") public ResponseEntity<?> join(@RequestParam(name = "role") Integer role, @RequestBody UserRequest.JoinDTO reqDTO) { User user = userService.join(reqDTO, role); session.setAttribute("sessionUser", user); return ResponseEntity.ok(new ApiUtil(user)); }
    "org.springframework.web.bind.MissingServletRequestParameterException: Required request parameter 'role' for method parameter type Integer is not present\r\n\tat org.springframework.web.method.annotation. RequestParamMethodArgumentResolver.handleMissingValueInternal (RequestParamMethodArgumentResolver.java:217)\r\n\tat org.springframework.web.method.annotation.RequestParamMethodArgumentResolver. handleMissingValue(RequestParamMethodArgumentResolver.java:193)
    방법 1 : URL에 쿼리 파라미터로 포함시키기 방법 2 : role을 JSON 본문에 포함시키고, @RequestParam 대신 @RequestBody를 사용하여 복합 객체로 받기
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