diff --git a/src/main/java/kr/re/etri/autoflow/service/DynamicMinioAttachmentService.java b/src/main/java/kr/re/etri/autoflow/service/DynamicMinioAttachmentService.java
index 2eb3823..787a53f 100644
--- a/src/main/java/kr/re/etri/autoflow/service/DynamicMinioAttachmentService.java
+++ b/src/main/java/kr/re/etri/autoflow/service/DynamicMinioAttachmentService.java
@@ -111,11 +111,29 @@ public class DynamicMinioAttachmentService {
                 GetObjectArgs.builder().bucket(bucketName).object(objectName).build()
         )) {
             return is.readAllBytes();
+        } catch (io.minio.errors.ErrorResponseException e) {
+            // statusCode() 제거, 필요한 정보만 출력
+            throw new RuntimeException(
+                    "MinIO 서버가 요청을 거부했습니다: " + objectName +
+                            ", 코드=" + e.errorResponse().code() +
+                            ", 메시지=" + e.errorResponse().message() +
+                            ", 요청ID=" + e.errorResponse().requestId() +
+                            ", 호스트ID=" + e.errorResponse().hostId(), e);
+        } catch (io.minio.errors.ServerException e) {
+            throw new RuntimeException("MinIO 서버 오류 발생: " + objectName, e);
+        } catch (io.minio.errors.InsufficientDataException e) {
+            throw new RuntimeException("MinIO 데이터 부족 오류: " + objectName, e);
+        } catch (io.minio.errors.InternalException e) {
+            throw new RuntimeException("MinIO 내부 오류: " + objectName, e);
+        } catch (io.minio.errors.InvalidResponseException e) {
+            throw new RuntimeException("MinIO 응답 파싱 실패: " + objectName, e);
         } catch (Exception e) {
             throw new RuntimeException("MinIO 파일 다운로드 실패: " + objectName, e);
         }
     }
 
+
+
     /** YAML 텍스트 읽기 */
     public String readYamlText(String objectName, String type) {
         MinioClient client = getClientByType(type);