Fixed problem causing DragAndDropService not to receiving events (#10134)

Change-Id: Ie9cbd37231099b8d4e30dab1dc611e19805c1fc7

diff --git a/server/src/com/vaadin/server/AbstractCommunicationManager.java b/server/src/com/vaadin/server/AbstractCommunicationManager.java
index 86a4f67b4ce366a8689a9487cb5964f39e57cacd..cbb62ddaadcfaeb0bba0c037becbaf60fe4967d1 100644 (file)
--- a/server/src/com/vaadin/server/AbstractCommunicationManager.java
+++ b/server/src/com/vaadin/server/AbstractCommunicationManager.java
@@ -1799,7 +1799,9 @@ public abstract class AbstractCommunicationManager implements Serializable {
         String interfaceName = invocationJson.getString(1);
         String methodName = invocationJson.getString(2);
 
-        if (connectorTracker.getConnector(connectorId) == null) {
+        if (connectorTracker.getConnector(connectorId) == null
+                && !connectorId
+                        .equals(ApplicationConstants.DRAG_AND_DROP_CONNECTOR_ID)) {
             getLogger().log(
                     Level.WARNING,
                     "RPC call to " + interfaceName + "." + methodName