[fix] 디스코드 로깅 오류 해결 (#128)

* [fix] #127 add replaceAll in DiscordAppender to avoid invalid Json error

* [fix] #127 add replaceAll in DiscordAppender to avoid invalid Json error

* [fix] #127 testCommit

src/main/java/org/kkumulkkum/server/log/discord/DiscordAppender.java

@@ -34,7 +34,6 @@ private static Color getLevelColor(ILoggingEvent eventObject) {
         } else if (level.equals("ERROR")) {
             return Color.red;
         }
-
         return Color.blue;
     }
 
@@ -46,14 +45,13 @@ protected void append(ILoggingEvent eventObject) {
 
         String level = eventObject.getLevel().levelStr;
         String exceptionBrief = "";
-        String exceptionDetail = "";
         IThrowableProxy throwable = eventObject.getThrowableProxy();
 
         if (throwable != null) {
-            exceptionBrief = throwable.getClassName() + ": " + throwable.getMessage();
+            exceptionBrief = throwable.getClassName() + ": " + throwable.getMessage().replaceAll("\"", "'");
         }
 
-        if (exceptionBrief.equals("")) {
+        if (exceptionBrief.isEmpty()) {
             exceptionBrief = "EXCEPTION 정보가 남지 않았습니다.";
         }
 
@@ -99,7 +97,7 @@ protected void append(ILoggingEvent eventObject) {
         );
 
         if (throwable != null) {
-            exceptionDetail = ThrowableProxyUtil.asString(throwable);
+            String exceptionDetail = ThrowableProxyUtil.asString(throwable);
             String exception = exceptionDetail.substring(0, 4000);
             discordWebhook.addEmbed(
                     new EmbedObject()