From 2c3e399cb654588c8159e0e4ec4de7cc7de81b7b Mon Sep 17 00:00:00 2001
From: Aleksi Hietanen <aleksi@vaadin.com>
Date: Wed, 12 Apr 2017 15:03:17 +0300
Subject: Fix empty TreeGrid (#9067)

---
 .../java/com/vaadin/data/provider/HierarchicalDataCommunicator.java     | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'server')

diff --git a/server/src/main/java/com/vaadin/data/provider/HierarchicalDataCommunicator.java b/server/src/main/java/com/vaadin/data/provider/HierarchicalDataCommunicator.java
index fedad9dd55..7580afd241 100644
--- a/server/src/main/java/com/vaadin/data/provider/HierarchicalDataCommunicator.java
+++ b/server/src/main/java/com/vaadin/data/provider/HierarchicalDataCommunicator.java
@@ -140,6 +140,8 @@ public class HierarchicalDataCommunicator<T> extends DataCommunicator<T> {
             sendData(0, dataObjects);
             getActiveDataHandler().addActiveData(items.stream());
             getActiveDataHandler().cleanUp(items.stream());
+        } else {
+            getClientRpc().reset(0);
         }
 
         setPushRows(Range.withLength(0, 0));
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