[FEAT] 예외 중앙처리

src/main/java/com/example/book_your_seat/common/constants/Constants.java

@@ -0,0 +1,4 @@
+package com.example.book_your_seat.common.constants;
+
+public final class Constants {
+}

src/main/java/com/example/book_your_seat/common/entity/ErrorResult.java

@@ -0,0 +1,20 @@
+package com.example.book_your_seat.common.entity;
+
+import lombok.Data;
+
+@Data
+public class ErrorResult {
+
+    private String code;
+
+    private String message;
+
+    public ErrorResult(String code, String message) {
+        this.code = code;
+        this.message = message;
+    }
+
+    public ErrorResult(String code) {
+        this.code = code;
+    }
+}

src/main/java/com/example/book_your_seat/common/exhandler/ExControllerAdvice.java

@@ -0,0 +1,21 @@
+package com.example.book_your_seat.common.exhandler;
+
+import com.example.book_your_seat.common.entity.ErrorResult;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@Slf4j
+@RestControllerAdvice
+public class ExControllerAdvice {
+
+    @ExceptionHandler(IllegalArgumentException.class)
+    public ResponseEntity<ErrorResult> catchError(IllegalArgumentException e) {
+        log.error("[exceptionHandle] ex", e);
+
+        ErrorResult errorResult = new ErrorResult("BAD", e.getMessage());
+        return new ResponseEntity<>(errorResult, HttpStatus.BAD_REQUEST);
+    }
+}

src/main/java/com/example/book_your_seat/concert/domain/Concert.java

@@ -39,7 +39,7 @@ public class Concert extends BaseEntity {
     @OneToMany(mappedBy = "concert", cascade = CascadeType.ALL)
     private final List<LikeConcert> likeConcerts = new ArrayList<>();
 
-    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL)
+    @OneToMany(mappedBy = "concert", cascade = CascadeType.ALL)
     private final List<Review> reviews = new ArrayList<>();
 
     @OneToMany(mappedBy = "concert", cascade = CascadeType.ALL)