refactor: 에러 알림에 대한 리팩토링

src/main/java/gg/agit/konect/global/exception/GlobalExceptionHandler.java

@@ -9,7 +9,8 @@
 import java.util.UUID;
 
 import org.apache.catalina.connector.ClientAbortException;
-import org.slf4j.MDC;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatusCode;
 import org.springframework.http.ResponseEntity;
@@ -29,14 +30,15 @@
 import org.springframework.web.util.WebUtils;
 
 import gg.agit.konect.global.code.ApiResponseCode;
-
 import jakarta.servlet.http.HttpServletRequest;
 import lombok.extern.slf4j.Slf4j;
 
 @Slf4j
 @RestControllerAdvice
 public class GlobalExceptionHandler extends ResponseEntityExceptionHandler {
 
+    private static final Logger RUNTIME_ERROR_LOGGER = LoggerFactory.getLogger("runtime.error");
+
     @ExceptionHandler(CustomException.class)
     public ResponseEntity<Object> handleCustomException(
         HttpServletRequest request,
@@ -147,20 +149,21 @@ public ResponseEntity<Object> handleException(HttpServletRequest request, Except
         StackTraceElement origin = e.getStackTrace()[0];
 
         String uri = String.format("%s %s", request.getMethod(), request.getRequestURI());
-        String location = String.format(
-            "%s:%d",
-            origin.getFileName(),
-            origin.getLineNumber()
-        );
         String exception = e.getClass().getSimpleName();
+        String location = String.format("%s:%d", origin.getFileName(), origin.getLineNumber());
         String message = e.getMessage();
 
-        MDC.put("uri", uri);
-        MDC.put("location", location);
-        MDC.put("exception", exception);
-        MDC.put("message", message);
+        String slackMessage = String.format(
+            """
+            URI: `%s`
+            Location: `%s`
+            Exception: `%s`
+            ```%s```
+            """,
+            uri, location, exception, message
+        );
 
-        log.error("URI: {} | Location: {} | Exception: {} | Message: {}", uri, location, exception, message);
+        RUNTIME_ERROR_LOGGER.error(slackMessage);
 
         return buildErrorResponse(ApiResponseCode.UNEXPECTED_SERVER_ERROR);
     }

src/main/resources/logback-spring.xml

@@ -13,36 +13,53 @@
         </encoder>
     </appender>
 
-    <appender name="SLACK" class="com.github.maricn.logback.SlackAppender">
+    <appender name="SLACK_STARTUP" class="com.github.maricn.logback.SlackAppender">
         <webhookUri>${SLACK_WEBHOOK_ERROR}</webhookUri>
         <layout class="ch.qos.logback.classic.PatternLayout">
             <pattern><![CDATA[
 :rotating_light: *서버에서 에러가 발생했습니다!* :rotating_light:%n
-URI: `%mdc{uri}`%n
-Location: `%mdc{location}`%n
-Exception: `%mdc{exception}`%n
-```%mdc{message}```
+`%msg`%n
+%rootException{1}%n
 ]]></pattern>
         </layout>
         <colorCoding>true</colorCoding>
+    </appender>
+
+    <appender name="SLACK_RUNTIME" class="com.github.maricn.logback.SlackAppender">
+        <webhookUri>${SLACK_WEBHOOK_ERROR}</webhookUri>
+        <layout class="ch.qos.logback.classic.PatternLayout">
+            <pattern><![CDATA[
+:rotating_light: *서버에서 에러가 발생했습니다!* :rotating_light:%n
+%msg
+]]></pattern>
+        </layout>
+        <colorCoding>true</colorCoding>
+    </appender>
+
+    <appender name="ASYNC_SLACK_STARTUP" class="ch.qos.logback.classic.AsyncAppender">
+        <appender-ref ref="SLACK_STARTUP"/>
         <filter class="ch.qos.logback.classic.filter.LevelFilter">
             <level>ERROR</level>
             <onMatch>ACCEPT</onMatch>
             <onMismatch>DENY</onMismatch>
         </filter>
     </appender>
 
-    <appender name="ASYNC_SLACK" class="ch.qos.logback.classic.AsyncAppender">
-        <appender-ref ref="SLACK"/>
+    <appender name="ASYNC_SLACK_RUNTIME" class="ch.qos.logback.classic.AsyncAppender">
+        <appender-ref ref="SLACK_RUNTIME"/>
         <filter class="ch.qos.logback.classic.filter.LevelFilter">
             <level>ERROR</level>
             <onMatch>ACCEPT</onMatch>
             <onMismatch>DENY</onMismatch>
         </filter>
     </appender>
 
+    <logger name="runtime.error" level="ERROR" additivity="false">
+        <appender-ref ref="ASYNC_SLACK_RUNTIME"/>
+    </logger>
+
     <root level="INFO">
         <appender-ref ref="STDOUT"/>
-        <appender-ref ref="ASYNC_SLACK"/>
+        <appender-ref ref="ASYNC_SLACK_STARTUP"/>
     </root>
 </configuration>