diff --git a/core/api/src/main/java/org/onosproject/ui/UiMessageHandler.java b/core/api/src/main/java/org/onosproject/ui/UiMessageHandler.java
index 9b9a406..7f3117d 100644
--- a/core/api/src/main/java/org/onosproject/ui/UiMessageHandler.java
+++ b/core/api/src/main/java/org/onosproject/ui/UiMessageHandler.java
@@ -56,6 +56,7 @@
 
     private final Logger log = LoggerFactory.getLogger(getClass());
     private final Map<String, RequestHandler> handlerMap = new HashMap<>();
+
     private final ObjectMapper mapper = new ObjectMapper();
 
     private UiConnection connection;