refactor: 예외 메시지 포함

Author: chcch529

src/main/java/com/oronaminc/join/global/exception/ErrorException.java

@@ -1,5 +1,7 @@
 package com.oronaminc.join.global.exception;
 
+import com.oronaminc.join.global.util.StringUtil;
+import java.text.MessageFormat;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
@@ -8,5 +10,19 @@
 public class ErrorException extends RuntimeException {
 
     private final ErrorCode errorCode;
+    private final String errorMessage;
 
-}
+    public ErrorException(ErrorCode errorCode) {
+        this(errorCode, null);
+    }
+
+    public static ErrorException of(ErrorCode errorCode, String message, Object... args) {
+        String errorMessage = createMessage(message, args);
+        return new ErrorException(errorCode, errorMessage);
+    }
+
+    public String createMessage(String message, Object... args) {
+        return StringUtil.format(message, args);
+    }
+
+}

src/main/java/com/oronaminc/join/global/exception/ExceptionAdvice.java

@@ -18,7 +18,7 @@ public class ExceptionAdvice {
     public ResponseEntity<ErrorResponse> handleErrorException(ErrorException ex) {
         ErrorCode errorCode = ex.getErrorCode();
 
-        log.error(errorCode.getMessage(), ex);
+        log.error("ErrorCode: {}, ErrorMessage: {}", ex.getErrorCode(), ex.getErrorMessage());
 
         HttpStatus httpStatus = switch (errorCode.getErrorStatus()) {
             case NOT_FOUND -> HttpStatus.NOT_FOUND;

src/main/java/com/oronaminc/join/question/service/QuestionService.java

@@ -81,7 +81,8 @@ public Question update(Long memberId, Long roomId, Long questionId, QuestionRequ
 
         // 참여자가 아님
         if (!participantReader.existsByRoomIdAndMemberId(roomId, memberId)) {
-            throw new ErrorException(ErrorCode.NOT_FOUND_PARTICIPANT);
+            throw ErrorException.of(ErrorCode.NOT_FOUND_PARTICIPANT,
+                "{}번 발표방에는 {}번 회원이 잠가 중이지 않습니다.", roomId, memberId);
         }
 
         // 작성자가 아님