From 907332e30f279fdc73fbc46785344a7ff3b33660 Mon Sep 17 00:00:00 2001
From: Henrik Paul <henrik@vaadin.com>
Date: Tue, 26 Aug 2014 15:16:03 +0300
Subject: [PATCH] Fixes an occasional synchronization problem with duplicate
 updates (#13334)

Change-Id: I538556b5b307d1e187e68799e7bab622196d2a24
---
 server/src/com/vaadin/data/RpcDataProviderExtension.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/com/vaadin/data/RpcDataProviderExtension.java b/server/src/com/vaadin/data/RpcDataProviderExtension.java
index 86fa11f62e..3185300897 100644
--- a/server/src/com/vaadin/data/RpcDataProviderExtension.java
+++ b/server/src/com/vaadin/data/RpcDataProviderExtension.java
@@ -148,7 +148,7 @@ public class RpcDataProviderExtension extends AbstractExtension {
                 if (!itemIdToKey.containsKey(itemId)) {
                     itemIdToKey.put(itemId, nextKey());
                 }
-                indexToItemId.put(ii, itemId);
+                indexToItemId.forcePut(ii, itemId);
             }
         }
 
-- 
2.39.5