[Security Error] Authentication, Caused by: java.lang.NullPointerException
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Server/Error
에러발생 TestCode를 진행하다 보니 org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException NullPointerException이 발생하고 있었다. 컨트롤러 @RestController @RequestMapping("/api/v1/blog") @RequiredArgsConstructor public class BlogRestController { private final BlogService blogService; @PostMapping("/rename/{blogId}") public Response renameBlog( ..