Bug Report : Errors 객체를 ResponseEntity body에 담아서 JSON 형태로 리턴

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Bug Report : Errors 객체를 ResponseEntity body에 담아서 JSON 형태로 리턴 본문

FrameWork/Spring

Bug Report : Errors 객체를 ResponseEntity body에 담아서 JSON 형태로 리턴

Soom_1n 2023. 11. 14. 14:25

📣 상황

스프링부트에서 외부 api로 요청을 날려서 응답 정보를 Map에 저장해 반환하는 서비스를 만들었다.
이 Map을 컨트롤러에서 ResponseEntity의 Body에 담아서 반환하고자 했다.

🌵 코드

// Controller
@PostMapping("/request")
public ResponseEntity<Object> sendRequest(@RequestBody RequestRequestDTO requestRequestDTO) {
    return new ResponseEntity<>(collectionService.sendRequest(requestRequestDTO), HttpStatus.OK);
}


// Service
public Map<String, Object> sendRequest(RequestRequestDTO requestRequestDTO) {
    // 헤더 준비
    HttpHeaders httpHeaders = new HttpHeaders();    // 헤더 객체
    Map<String, String> headers = requestRequestDTO.getHeaders(); // 전달 받은 헤더 맵

    for (String key : headers.keySet()) {
        httpHeaders.set(key, headers.get(key));
    }

    // Request 전송
    SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();
    factory.setConnectTimeout(5000); // 5 seconds
    factory.setReadTimeout(5000); // 5 seconds
    RestTemplate restTemplate = new RestTemplate(factory); // SpringBoot의 RestTemplate : HTTP + RestFUL API

    ResponseEntity<String> response = new ResponseEntity<>(HttpStatus.OK);
    Map<String, Object> result = new HashMap<>();

    long startTime = System.currentTimeMillis(), endTime;
    try {
        response = restTemplate.exchange( // API 요청 결과를 바로 반환
            requestRequestDTO.getRequestURL(),
            HttpMethod.valueOf(requestRequestDTO.getMethod().name()),
            new HttpEntity<>(requestRequestDTO.getBody(), httpHeaders),
            String.class
        );
        HttpStatus statusCode = (HttpStatus)response.getStatusCode();
        HttpHeaders responseHeaders = response.getHeaders();
        String responseBody = response.getBody();

        result.put("responseHeaders", responseHeaders.toSingleValueMap());
        result.put("status", statusCode.value());
        result.put("responseBody", responseBody);

    } catch (HttpClientErrorException | HttpServerErrorException e) {

        result.put("status", e.getStatusCode());
        result.put("responseHeaders", e.getResponseHeaders());
        result.put("responseBody", e.getResponseBodyAsString());
        // result.put("error", e); <---------------------------문제!!
        result.put("errorMsg", e.getMessage());

    } catch (Exception e) {
        result.put("status", HttpStatus.valueOf(777));
        result.put("errorMsg", e.getMessage());
        result.put("errorRoot", e.getCause());
        // 기타 RestClientException 예외에 대한 처리
    } finally {
        endTime = System.currentTimeMillis();
    }

    // Response 처리
    result.put("requestDuration", endTime - startTime);

    return result;
}

❗ 에러

org.springframework.security.access.AccessDeniedException: Access Denied
	at org.springframework.security.web.access.intercept.AuthorizationFilter.doFilter(AuthorizationFilter.java:98) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:126) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:120) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:91) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:85) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:100) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:179) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:227) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:221) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:107) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:93) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:82) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:69) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:233) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:191) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.debug.DebugFilter.invokeWithWrappedRequest(DebugFilter.java:90) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.debug.DebugFilter.doFilter(DebugFilter.java:78) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.debug.DebugFilter.doFilter(DebugFilter.java:67) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:352) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:268) ~[spring-web-6.0.13.jar:6.0.13]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.13.jar:6.0.13]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:642) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:520) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:463) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:343) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:222) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:308) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:149) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:340) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1744) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]

2023-11-14T14:07:00.571+09:00 ERROR 17032 --- [nio-8080-exec-2] o.a.c.c.C.[Tomcat].[localhost]           : Exception Processing ErrorPage[errorCode=0, location=/error]

jakarta.servlet.ServletException: Unable to handle the Spring Security Exception because the response is already committed.
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:144) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:120) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:91) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:85) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:100) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:179) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:227) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:221) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:107) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:93) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:82) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:69) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:233) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:191) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.debug.DebugFilter.invokeWithWrappedRequest(DebugFilter.java:90) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.debug.DebugFilter.doFilter(DebugFilter.java:78) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.debug.DebugFilter.doFilter(DebugFilter.java:67) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:352) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:268) ~[spring-web-6.0.13.jar:6.0.13]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.0.13.jar:6.0.13]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.13.jar:6.0.13]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-6.0.13.jar:6.0.13]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:642) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:520) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:463) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:343) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:222) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:308) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:149) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:340) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1744) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.1.15.jar:10.1.15]
	at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]
Caused by: org.springframework.security.access.AccessDeniedException: Access Denied
	at org.springframework.security.web.access.intercept.AuthorizationFilter.doFilter(AuthorizationFilter.java:98) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.1.5.jar:6.1.5]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:126) ~[spring-security-web-6.1.5.jar:6.1.5]

추적해보니 ResponseEntity를 만들 때 에러가 났다.

✅ 해결

위 서비스 코드에서 첫번째 catch를 테스트 중 발생한 오류인데, 결과 map에 Error 객체 e를 value로 넣었다.
스프링부트는 ResponseEntity의 객체를 자동으로 JSON으로 만들어 클라이언트에게 반환해준다.
하지만 Error 객체는 자바 빈 스펙을 준수하고 있지 않기 때문에 변환에서 실패한 것이다.
e 객체가 필요하진 않은 것 같아 제거하며 해결했다.
다음은 해결에 참고 한 포스팅인데, Error 객체를 JSON으로 변환하는 것 까지 구현해서 좋은 참고가 되었다.
- 축구하는 개발자 : Errors 객체를 ResponseEntity body에 담아서 JSON 형태로 리턴하기

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기록방

Bug Report : Errors 객체를 ResponseEntity body에 담아서 JSON 형태로 리턴 본문

Bug Report : Errors 객체를 ResponseEntity body에 담아서 JSON 형태로 리턴

📣 상황

🌵 코드

❗ 에러

✅ 해결

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