fixes #4556

svn changeset:12844/svn branch:6.3

diff --git a/src/com/vaadin/terminal/gwt/client/ui/dd/VDragAndDropManager.java b/src/com/vaadin/terminal/gwt/client/ui/dd/VDragAndDropManager.java
index a696a1380f39e955993df98cdd656a1d596ee152..0fbc561c7fb55cbcfa8e39038a71bcf074dc6fa5 100644 (file)
--- a/src/com/vaadin/terminal/gwt/client/ui/dd/VDragAndDropManager.java
+++ b/src/com/vaadin/terminal/gwt/client/ui/dd/VDragAndDropManager.java
@@ -468,8 +468,7 @@ public class VDragAndDropManager {
             }
             currentDropHandler = null;
             serverCallback = null;
-            visitId = -1; // ignore possibly on going server check
-
+            visitId = 0; // reset to ignore ongoing server check
         }
 
         currentDrag = null;