diff --git a/pom.xml b/pom.xml
index 4533295..e547396 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,6 +30,7 @@
 		<java.version>21</java.version>
 		<mapstruct.version>1.5.5.Final</mapstruct.version>
 		<apache.common.lang3.version>3.14.0</apache.common.lang3.version>
+		<lombok-mapstruct-binding.version>0.2.0</lombok-mapstruct-binding.version>
 	</properties>
 	<dependencies>
 
@@ -108,15 +109,29 @@
 	<build>
 		<plugins>
 			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>${maven-compiler-plugin.version}</version>
 				<configuration>
-					<excludes>
-						<exclude>
+					<source>17</source>
+					<target>17</target>
+					<annotationProcessorPaths>
+						<path>
+							<groupId>org.mapstruct</groupId>
+							<artifactId>mapstruct-processor</artifactId>
+							<version>${mapstruct.version}</version>
+						</path>
+						<path>
 							<groupId>org.projectlombok</groupId>
 							<artifactId>lombok</artifactId>
-						</exclude>
-					</excludes>
+							<version>${lombok.version}</version>
+						</path>
+						<path>
+							<groupId>org.projectlombok</groupId>
+							<artifactId>lombok-mapstruct-binding</artifactId>
+							<version>${lombok-mapstruct-binding.version}</version>
+						</path>
+					</annotationProcessorPaths>
 				</configuration>
 			</plugin>
 		</plugins>
diff --git a/src/main/java/com/springboot/ratelimiter/common/exception/GlobalExceptionHandler.java b/src/main/java/com/springboot/ratelimiter/common/exception/GlobalExceptionHandler.java
index 805137a..fd09e83 100644
--- a/src/main/java/com/springboot/ratelimiter/common/exception/GlobalExceptionHandler.java
+++ b/src/main/java/com/springboot/ratelimiter/common/exception/GlobalExceptionHandler.java
@@ -53,6 +53,7 @@ protected ResponseEntity<Object> handleMethodArgumentNotValid(MethodArgumentNotV
         return new ResponseEntity<>(customError, HttpStatus.BAD_REQUEST);
     }
 
+
     @ExceptionHandler(ConstraintViolationException.class)
     protected ResponseEntity<Object> handlePathVariableErrors(final ConstraintViolationException constraintViolationException) {
 
diff --git a/src/test/java/com/springboot/ratelimiter/common/exception/GlobalExceptionHandlerTest.java b/src/test/java/com/springboot/ratelimiter/common/exception/GlobalExceptionHandlerTest.java
index 287ac68..fd6603a 100644
--- a/src/test/java/com/springboot/ratelimiter/common/exception/GlobalExceptionHandlerTest.java
+++ b/src/test/java/com/springboot/ratelimiter/common/exception/GlobalExceptionHandlerTest.java
@@ -30,11 +30,13 @@ class GlobalExceptionHandlerTest extends AbstractRestControllerTest {
     private GlobalExceptionHandler globalExceptionHandler;
 
     @Test
-    void givenMethodArgumentNotValidException_handleMethodArgumentNotValid_throwCustomError() throws NoSuchMethodException {
+    void givenMethodArgumentNotValidException_handleMethodArgumentNotValid_throwCustomError() {
+
         // Given
-        MethodArgumentNotValidException mockException = getMethodArgumentNotValidException();
+        MethodParameter mockParameter = mock(MethodParameter.class);
+        BindingResult mockBindingResult = mock(BindingResult.class);
+        when(mockBindingResult.getAllErrors()).thenReturn(Collections.emptyList());
 
-        // When
         CustomError expectedError = CustomError.builder()
                 .time(LocalDateTime.now())
                 .httpStatus(HttpStatus.BAD_REQUEST)
@@ -43,6 +45,9 @@ void givenMethodArgumentNotValidException_handleMethodArgumentNotValid_throwCust
                 .subErrors(Collections.emptyList())
                 .build();
 
+        // When
+        MethodArgumentNotValidException mockException = new MethodArgumentNotValidException(mockParameter, mockBindingResult);
+
         // Then
         ResponseEntity<Object> responseEntity = globalExceptionHandler.handleMethodArgumentNotValid(
                 mockException, new HttpHeaders(), HttpStatus.BAD_REQUEST, null);
@@ -52,14 +57,6 @@ void givenMethodArgumentNotValidException_handleMethodArgumentNotValid_throwCust
 
     }
 
-    private MethodArgumentNotValidException getMethodArgumentNotValidException() throws NoSuchMethodException {
-        Method method = GlobalExceptionHandlerTest.class.getDeclaredMethod("handleMethodArgumentNotValid");
-        int parameterIndex = -1;
-
-        MethodParameter mockParameter = new MethodParameter(method, parameterIndex);
-        BindingResult mockBindingResult = new BeanPropertyBindingResult(null, "");
-        return new MethodArgumentNotValidException(mockParameter, mockBindingResult);
-    }
 
     @Test
     void givenConstraintViolationException_whenHandlePathVariableErrors_throwCustomError() {
@@ -74,7 +71,7 @@ void givenConstraintViolationException_whenHandlePathVariableErrors_throwCustomE
                 .message("must not be null")
                 .field("")
                 .value("invalid value")
-                .type(mockViolation.getRootBeanClass().getSimpleName())
+                .type("String") // Default to String if getRootBeanClass() is null
                 .build();
 
         CustomError expectedError = CustomError.builder()
@@ -87,11 +84,10 @@ void givenConstraintViolationException_whenHandlePathVariableErrors_throwCustomE
 
         // When
         when(mockViolation.getMessage()).thenReturn("must not be null");
-
-        when(mockPath.toString()).thenReturn("");
         when(mockViolation.getPropertyPath()).thenReturn(mockPath);
+        when(mockPath.toString()).thenReturn("field");
         when(mockViolation.getInvalidValue()).thenReturn("invalid value");
-        when(mockViolation.getRootBeanClass()).thenReturn(String.class);
+        when(mockViolation.getRootBeanClass()).thenReturn(String.class); // Ensure this does not return null
 
         // Then
         ResponseEntity<Object> responseEntity = globalExceptionHandler.handlePathVariableErrors(mockException);