...

src/main/java/cn/com/qmth/examcloud/web/cache/CacheCloudServiceProvider.java

@@ -67,7 +67,7 @@ public class CacheCloudServiceProvider implements CloudService {
 				objectCache = (ObjectCache<?>) SpringContextHolder.getBean(c);
 				map.put(className, objectCache);
 			} catch (ClassNotFoundException e) {
-				throw new StatusException("008001", "class not found");
+				throw new StatusException("008001", "class not found", e);
 			}
 		}
 		objectCache.refresh(expectedKeys);