로그남길수있게하는 커스텀 어노테이션을 만들었습니다

src/main/java/com/msg/gauth/global/annotation/logger/InjectionLogger.java

@@ -0,0 +1,43 @@
+package com.msg.gauth.global.annotation.logger;
+
+import java.lang.reflect.Field;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.context.event.ApplicationStartedEvent;
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.stereotype.Component;
+
+@Component
+public class InjectionLogger implements ApplicationListener<ApplicationStartedEvent> {
+
+    @Override
+    public void onApplicationEvent(ApplicationStartedEvent event) {
+        ConfigurableApplicationContext ac = event.getApplicationContext();
+        String[] beanDefinitionNames = ac.getBeanDefinitionNames();
+        for (String name : beanDefinitionNames) {
+            Object bean = ac.getBean(name);
+            String classPath = bean.getClass().getName();
+            Logger log = LoggerFactory.getLogger(classPath);
+            try {
+                if(!classPath.contains("gauth")){
+                    continue;
+                }
+                Class<?> beanClass = Class.forName(classPath);
+                Field[] fields = beanClass.getDeclaredFields();
+                for (Field field : fields) {
+                    log4k log4k = field.getDeclaredAnnotation(log4k.class);
+                    if(log4k != null){
+                        field.setAccessible(true);
+                        field.set(bean, log);
+                    }
+                }
+            } catch (ClassNotFoundException e) {
+                throw new RuntimeException(e);
+            } catch (IllegalAccessException e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
+}

src/main/java/com/msg/gauth/global/annotation/logger/log4k.java

@@ -0,0 +1,12 @@
+package com.msg.gauth.global.annotation.logger;
+
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.FIELD)
+public @interface log4k {
+}

src/main/java/com/msg/gauth/global/exception/handler/GlobalExceptionHandler.java

@@ -1,18 +1,20 @@
 package com.msg.gauth.global.exception.handler;
 
+import com.msg.gauth.global.annotation.logger.log4k;
 import com.msg.gauth.global.exception.ErrorResponse;
 import com.msg.gauth.global.exception.exceptions.BasicException;
-import lombok.extern.slf4j.Slf4j;
+import org.slf4j.Logger;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 
 import javax.servlet.http.HttpServletRequest;
 
-@Slf4j
 @RestControllerAdvice
 public class GlobalExceptionHandler {
+    @log4k
+    Logger log;
 
     @ExceptionHandler(BasicException.class)
     public ResponseEntity<ErrorResponse> BasicExceptionHandler(HttpServletRequest request, BasicException ex){