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현재 책을 구매해서 다읽었는데 강의를 들으면 좋을까요?

<pre class="hljs"><code>@Controller
@RequestMapping({"${server.error.path:${error.path:/error}}"})
public class BasicErrorController extends AbstractErrorController {
 
public ModelAndView errorHtml(HttpServletRequest request, HttpServletResponse response) {
        HttpStatus status = this.getStatus(request);
        Map<String, Object> model = Collections.unmodifiableMap(this.getErrorAttributes(request, this.getErrorAttributeOptions(request, MediaType.TEXT_HTML)));
        response.setStatus(status.value());
        ModelAndView modelAndView = this.resolveErrorView(request, response, status, model);
        return modelAndView != null ? modelAndView : new ModelAndView("error", model);
    }</code></pre><pre class="hljs"><code class="language-cos">mv.addObject("message","안녕하세요");</code></pre><p>혹시 이부분이 최종적으로 new ModelAndView("error", model);의 model에 담기기때문에 model의 데이터가 담기는걸까요?</p>

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