<a href="https://stackoverflow.com/questions/30917782/spring-boot-404-error-custom-error-response-rest">https://stackoverflow.com/questions/30917782/spring-boot-404-error-custom-error-response-rest</a>&nbsp;<p style="--_pr-img-mb:0;-webkit-text-stroke-width:0px;background-color:rgb(255, 255, 255);border:0px;box-sizing:inherit;clear:both;color:rgb(35, 38, 41);font-family:-apple-system, &quot;system-ui&quot;, &quot;Segoe UI Adjusted&quot;, &quot;Segoe UI&quot;, &quot;Liberation Sans&quot;, sans-serif;font-feature-settings:inherit;font-kerning:inherit;font-optical-sizing:inherit;font-size:15px;font-stretch:inherit;font-style:normal;font-variant-alternates:inherit;font-variant-caps:normal;font-variant-east-asian:inherit;font-variant-ligatures:normal;font-variant-numeric:inherit;font-variation-settings:inherit;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0px 0px 1.1em;orphans:2;padding:0px;text-align:left;text-decoration-color:initial;text-decoration-style:initial;text-decoration-thickness:initial;text-indent:0px;text-transform:none;vertical-align:baseline;white-space:normal;widows:2;word-spacing:0px;">&nbsp;<h2>application.properties</h2> server.error.whitelabel.enabled=false spring.mvc.throw-exception-if-no-handler-found=true spring.web.resources.add-mappings=false&nbsp;&nbsp;<h2>Controller Advice</h2>&nbsp;<pre class="lang-java s-code-block" style="--_cb-line-numbers-bg:var(--black-050);-webkit-text-stroke-width:0px;background-color:var(--highlight-bg);border-radius:var(--br-md);border:0px;box-sizing:inherit;color:var(--highlight-color);font-family:var(--ff-mono);font-feature-settings:inherit;font-kerning:inherit;font-optical-sizing:inherit;font-size:var(--fs-body1);font-stretch:inherit;font-style:normal;font-variant-alternates:inherit;font-variant-caps:normal;font-variant-east-asian:inherit;font-variant-ligatures:normal;font-variant-numeric:inherit;font-variation-settings:inherit;font-weight:400;letter-spacing:normal;line-height:var(--lh-md);margin:0px 0px calc(1.5em);max-height:600px;orphans:2;overflow-wrap:normal;overflow:auto;padding:var(--su12);text-align:left;text-decoration-color:initial;text-decoration-style:initial;text-decoration-thickness:initial;text-indent:0px;text-transform:none;vertical-align:baseline;widows:2;width:auto;word-spacing:0px;"><code class="language-java hljs" style="background-color:transparent;border:0px;box-sizing:inherit;font-family:inherit;font-feature-settings:inherit;font-kerning:inherit;font-optical-sizing:inherit;font-size:var(--_pr-code-fs);font-stretch:inherit;font-style:inherit;font-variant:inherit;font-variation-settings:inherit;font-weight:inherit;line-height:inherit;margin:0px;padding:0px;vertical-align:baseline;white-space:inherit;">@RestControllerAdvice
public class ExceptionResolver {

 @ExceptionHandler(NoHandlerFoundException.class)
 @ResponseStatus(HttpStatus.NOT_FOUND)
 public HashMap&lt;String, String&gt; handleNoHandlerFound(NoHandlerFoundException e, WebRequest request) {
 HashMap&lt;String, String&gt; response = new HashMap&lt;&gt;();
 response.put("status", "fail");
 response.put("message", e.getLocalizedMessage());
 return response;
 }
}</code></pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

spring boot에서 rest api로 없는 주소 호출시에도 json 스타일로 커스텀 에러 메시지를 반환하는 방법