stacktrace로 메세지 나오는거 방지로직 추가.

src/main/java/com/eactive/eai/authserver/config/WebMvcConfig.java

@@ -1,5 +1,6 @@
 package com.eactive.eai.authserver.config;
 
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.converter.HttpMessageNotReadableException;
 import org.springframework.security.access.AccessDeniedException;
@@ -59,7 +60,11 @@ public class WebMvcConfig {
     public String handleException(HttpServletRequest request, HttpServletResponse response, Exception ex) {
         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
         request.setAttribute("_authServerStatusCode", HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
-        request.setAttribute("errorMessage", ex.getMessage());
+        String detailMessage =  ex.getMessage();
+        if ( StringUtils.isBlank(detailMessage) ) {
+        	detailMessage = "광주은행 관리자에게 문의하세요.";
+        }
+        request.setAttribute("errorMessage", detailMessage);
         return "forward:/error.jsp";
     }
 }