[hotfix] sendError 제거

backend/memetory/src/main/java/com/example/memetory/global/security/jwt/filter/JwtAuthenticationProcessingFilter.java

@@ -51,7 +51,7 @@ protected void doFilterInternal(HttpServletRequest request, HttpServletResponse
 			String refreshToken = jwtService.extractRefreshToken(request);
 			checkRefreshTokenAndReIssueAccessToken(response, refreshToken);
 
-			sendError(response, HttpServletResponse.SC_UNAUTHORIZED);
+			response.setStatus(SC_UNAUTHORIZED);
 		} catch (NotFoundTokenException e) {
 			checkAccessTokenAndAuthentication(request, response, filterChain);
 		}
@@ -70,9 +70,8 @@ private void checkAccessTokenAndAuthentication(HttpServletRequest request, HttpS
 			String email = jwtService.getEmail(request);
 			memberRepository.findByEmail(email).ifPresent(this::saveAuthentication);
 		} catch (Exception e) {
-			sendError(response, SC_FORBIDDEN);
-		}
-		finally {
+			response.setStatus(SC_FORBIDDEN);
+		} finally {
 			filterChain.doFilter(request, response);
 		}
 	}
@@ -91,12 +90,4 @@ private void saveAuthentication(Member myMember) {
 
 		SecurityContextHolder.getContext().setAuthentication(authentication);
 	}
-
-	private void sendError(HttpServletResponse response, int errorCode) {
-		try {
-			response.sendError(errorCode);
-		} catch (IOException e) {
-			throw new RuntimeException(e);
-		}
-	}
 }