Repaint when contents changes (#8832)

diff --git a/src/com/vaadin/ui/Root.java b/src/com/vaadin/ui/Root.java
index 93b98693c2c4f2aed8a19f45ba4d14b7f2c43ea4..9c3aef4152fd96f8fd1d6e88f031a0d91f82b1be 100644 (file)
--- a/src/com/vaadin/ui/Root.java
+++ b/src/com/vaadin/ui/Root.java
@@ -1072,6 +1072,8 @@ public abstract class Root extends AbstractComponentContainer implements
         if (content != null) {
             super.addComponent(content);
         }
+
+        requestRepaint();
     }
 
     /**