주식 서버 IndexOutOfBoundsException 해결 및 커스텀 예외 코드 추가

src/backend/stock_server/src/main/java/com/jootalkpia/stock_server/stocks/advice/ControllerAdvice.java

@@ -2,6 +2,7 @@
 
 import com.jootalkpia.stock_server.stocks.advice.exception.BadRequestException;
 import com.jootalkpia.stock_server.stocks.advice.exception.ErrorResponse;
+import com.jootalkpia.stock_server.stocks.advice.exception.InvalidMinutePriceFromApiException;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
@@ -11,6 +12,11 @@ public class ControllerAdvice {
 
     @ExceptionHandler(BadRequestException.class)
     public ResponseEntity<ErrorResponse> handleBadRequestException(BadRequestException e) {
-        return ResponseEntity.badRequest().body(new ErrorResponse(e.getMessage()));
+        return ResponseEntity.badRequest().body(new ErrorResponse(e.getErrorCode(), e.getMessage()));
+    }
+
+    @ExceptionHandler(InvalidMinutePriceFromApiException.class)
+    public ResponseEntity<ErrorResponse> handleRuntimeException(InvalidMinutePriceFromApiException e) {
+        return ResponseEntity.internalServerError().body(new ErrorResponse(e.getErrorCode(), e.getMessage()));
     }
 }

src/backend/stock_server/src/main/java/com/jootalkpia/stock_server/stocks/advice/exception/BadRequestException.java

@@ -2,7 +2,7 @@
 
 public class BadRequestException extends BusinessException {
 
-    public BadRequestException(String message) {
-        super(message);
+    public BadRequestException(String errorCode, String message) {
+        super(errorCode, message);
     }
 }

src/backend/stock_server/src/main/java/com/jootalkpia/stock_server/stocks/advice/exception/BusinessException.java

@@ -1,8 +1,14 @@
 package com.jootalkpia.stock_server.stocks.advice.exception;
 
 public class BusinessException extends RuntimeException {
+    private final String errorCode;
 
-    public BusinessException(String message) {
+    public BusinessException(String errorCode, String message) {
         super(message);
+        this.errorCode = errorCode;
+    }
+
+    public String getErrorCode() {
+        return errorCode;
     }
 }

src/backend/stock_server/src/main/java/com/jootalkpia/stock_server/stocks/advice/exception/ErrorResponse.java

@@ -1,4 +1,6 @@
 package com.jootalkpia.stock_server.stocks.advice.exception;
 
-public record ErrorResponse(String message) {
+public record ErrorResponse(
+        String code,
+        String message) {
 }

src/backend/stock_server/src/main/java/com/jootalkpia/stock_server/stocks/advice/exception/InvalidMinutePriceFromApiException.java

@@ -0,0 +1,18 @@
+package com.jootalkpia.stock_server.stocks.advice.exception;
+
+public class InvalidMinutePriceFromApiException extends RuntimeException {
+
+    private static final String ERROR_CODE = "S50001";
+    private static final String MESSAGE = "한국 투자 API로부터 응답 받은 데이터가 없습니다. 1분 후에 다시 시도하세요.";
+
+    private final String errorCode;
+
+    public InvalidMinutePriceFromApiException() {
+        super(MESSAGE);
+        this.errorCode = ERROR_CODE;
+    }
+
+    public String getErrorCode() {
+        return errorCode;
+    }
+}

src/backend/stock_server/src/main/java/com/jootalkpia/stock_server/stocks/advice/exception/InvalidObjectIdFormatException.java

@@ -2,9 +2,11 @@
 
 public class InvalidObjectIdFormatException extends BadRequestException {
 
+    private static final String ERROR_CODE = "S40002";
+
     private static final String MESSAGE = "ObjectId는 24자리의 16진수 문자열이어야 합니다: ";
 
     public InvalidObjectIdFormatException(String cursorId) {
-        super(MESSAGE + cursorId);
+        super(ERROR_CODE, MESSAGE + cursorId);
     }
 }

src/backend/stock_server/src/main/java/com/jootalkpia/stock_server/stocks/advice/exception/NoSuchMinutePriceException.java

@@ -2,9 +2,11 @@
 
 public class NoSuchMinutePriceException extends BadRequestException {
 
+    private static final String ERROR_CODE = "S40001";
+
     private static final String MESSAGE = "조회된 분봉 데이터가 없습니다.";
 
     public NoSuchMinutePriceException() {
-        super(MESSAGE);
+        super(ERROR_CODE, MESSAGE);
     }
 }

src/backend/stock_server/src/main/java/com/jootalkpia/stock_server/stocks/advice/util/StockValidationUtils.java

@@ -1,11 +1,12 @@
 package com.jootalkpia.stock_server.stocks.advice.util;
 
+import com.jootalkpia.stock_server.stocks.advice.exception.InvalidMinutePriceFromApiException;
 import com.jootalkpia.stock_server.stocks.advice.exception.InvalidObjectIdFormatException;
 import com.jootalkpia.stock_server.stocks.advice.exception.NoSuchMinutePriceException;
 import com.jootalkpia.stock_server.stocks.dto.MinutePrice;
+import com.jootalkpia.stock_server.stocks.dto.response.MinutePriceDetailedResponse;
 
 import java.util.List;
-import java.util.NoSuchElementException;
 
 public class StockValidationUtils {
     private StockValidationUtils() {
@@ -31,4 +32,10 @@ private static boolean isValidObjectId(String cursorId) {
 
         return cursorId.matches("[0-9a-fA-F]{24}");
     }
+
+    public static void validateMinutePriceOutput(MinutePriceDetailedResponse minutePriceDetailedResponse) {
+        if (minutePriceDetailedResponse.output2().size() < 2) {
+            throw new InvalidMinutePriceFromApiException();
+        }
+    }
 }

src/backend/stock_server/src/main/java/com/jootalkpia/stock_server/stocks/dto/response/MinutePriceSimpleResponse.java

@@ -2,6 +2,8 @@
 
 import com.jootalkpia.stock_server.stocks.dto.MinutePrice;
 
+import static com.jootalkpia.stock_server.stocks.advice.util.StockValidationUtils.validateMinutePriceOutput;
+
 public record MinutePriceSimpleResponse(
         String code,
         String htsKorIsnm,
@@ -16,6 +18,8 @@ public record MinutePriceSimpleResponse(
 ) {
 
     public static MinutePriceSimpleResponse from(MinutePriceDetailedResponse minutePriceDto, String code) {
+        validateMinutePriceOutput(minutePriceDto);
+
         return new MinutePriceSimpleResponse(
                 code,
                 minutePriceDto.output1().htsKorIsnm(),

src/backend/stock_server/src/main/resources/application.yml

@@ -20,6 +20,7 @@ spring:
       uri: ${MONGO_URI}
   jackson:
     property-naming-strategy: LOWER_CAMEL_CASE
+    time-zone: Asia/Seoul
 
 logging:
   level: