틀린 해석이 있다면 알려주세요 https://docs.spring.io/spring-framework/docs/current/reference/html/web.html#mvc-ann-rest-exceptions https://www.rfc-editor.org/rfc/rfc7807.html RFC 7807: Problem Details for HTTP APIs www.rfc-editor.org A common requirement for REST services is to include details in the body of error responses. The Spring Framework supports the "Problem Details for HTTP APIs" specification, RFC..