...

src/main/java/cn/com/qmth/examcloud/web/support/CustomExceptionHandler.java

@@ -208,7 +208,7 @@ public class CustomExceptionHandler {
 			String forcePrintStackTrace = System.getProperty("log.forcePrintStackTrace");
 			if (null != forcePrintStackTrace
 					&& forcePrintStackTrace.equalsIgnoreCase(Boolean.toString(true))) {
-				printStackTrace = false;
+				printStackTrace = true;
 			}
 		}