diff --git a/build.gradle b/build.gradle
index d89f850..20f0d52 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,10 +24,10 @@ repositories {
 }
 
 dependencies {
-    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+    //implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     implementation 'org.springframework.boot:spring-boot-starter-web'
     compileOnly 'org.projectlombok:lombok'
-    runtimeOnly 'com.mysql:mysql-connector-j'
+    //runtimeOnly 'com.mysql:mysql-connector-j'
     annotationProcessor 'org.projectlombok:lombok'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
diff --git a/src/main/java/com/example/week2/builder/App1.java b/src/main/java/com/example/week2/builder/App1.java
index b5f9553..95a4035 100644
--- a/src/main/java/com/example/week2/builder/App1.java
+++ b/src/main/java/com/example/week2/builder/App1.java
@@ -1,8 +1,16 @@
 package com.example.week2.builder;
 
-public class App1 {
 
-  public static void main(String[] args) {
+import org.slf4j.LoggerFactory;
+
+import java.util.logging.Logger;
 
+public class App1 {
+  public static void main(String[] args) {
+    Student student = Student.builder()
+            .name("김세희")
+            .age(23)
+            .school("세종대학교")
+            .build();
   }
 }
diff --git a/src/main/java/com/example/week2/exception/ErrorCode.java b/src/main/java/com/example/week2/exception/ErrorCode.java
index 4d28422..ab5cc0a 100644
--- a/src/main/java/com/example/week2/exception/ErrorCode.java
+++ b/src/main/java/com/example/week2/exception/ErrorCode.java
@@ -10,7 +10,6 @@ public enum ErrorCode {
 
   INVALID_REQUEST(HttpStatus.BAD_REQUEST, "잘못된 요청이 들어왔습니다"),;
 
-
   private final HttpStatus status;
   private final String message;
 }
diff --git a/src/main/java/com/example/week2/exception/ExceptionController.java b/src/main/java/com/example/week2/exception/ExceptionController.java
index 859ce8e..ec5fbbd 100644
--- a/src/main/java/com/example/week2/exception/ExceptionController.java
+++ b/src/main/java/com/example/week2/exception/ExceptionController.java
@@ -21,4 +21,8 @@ public void throwIllegalArgumentException() {
     throw new IllegalArgumentException();
   }
 
+  @GetMapping("/custom")
+  public void thrownewCustomException(){
+    throw new CustomException(ErrorCode.INVALID_REQUEST);
+  }
 }
diff --git a/src/main/java/com/example/week2/exception/GlobalExceptionHandler.java b/src/main/java/com/example/week2/exception/GlobalExceptionHandler.java
index 91a694e..da48acb 100644
--- a/src/main/java/com/example/week2/exception/GlobalExceptionHandler.java
+++ b/src/main/java/com/example/week2/exception/GlobalExceptionHandler.java
@@ -1,6 +1,7 @@
 package com.example.week2.exception;
 
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 
@@ -19,4 +20,18 @@ public String handleInternalError() {
     log.error("InternalError 처리 시작");
     return "InternalError 핸들링";
   }
+
+  @ExceptionHandler(CustomException.class)
+  public ResponseEntity<ErrorResponse> handleCustomException(CustomException e) {
+    log.error("CustomException 발생: {}", e.getMessage(), e);
+
+    ErrorCode errorCode = e.getErrorCode();
+
+    ErrorResponse response = ErrorResponse.builder()
+            .errorCode(errorCode)
+            .errorMessage(errorCode.getMessage())
+            .build();
+
+    return ResponseEntity.status(errorCode.getStatus()).body(response);
+  }
 }