From 5708366ebf49e1c5c800b4684a735d1cd1868772 Mon Sep 17 00:00:00 2001
From: Teemu Suo-Anttila <teemusa@vaadin.com>
Date: Tue, 22 Nov 2016 14:14:43 +0200
Subject: Add UI.access() safeguard for shared data providers

Change-Id: I1d2b0f4299cee944b39cda5fd26612b560e8c4e7
---
 server/src/main/java/com/vaadin/server/data/DataCommunicator.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/server/src/main/java/com/vaadin/server/data/DataCommunicator.java b/server/src/main/java/com/vaadin/server/data/DataCommunicator.java
index 852c583a56..4709230d82 100644
--- a/server/src/main/java/com/vaadin/server/data/DataCommunicator.java
+++ b/server/src/main/java/com/vaadin/server/data/DataCommunicator.java
@@ -481,7 +481,8 @@ public class DataCommunicator<T> extends AbstractExtension {
 
     private void attachDataProviderListener() {
         dataProviderUpdateRegistration = getDataProvider()
-                .addDataProviderListener(event -> reset());
+                .addDataProviderListener(
+                        event -> getUI().access(() -> reset()));
     }
 
     private void detachDataProviderListener() {
-- 
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