From 1f5489c0188dd3e063b9e226891f0fce662ee4b4 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 12 Jan 2013 14:35:50 +1300
Subject: Fix null pointer exception with 0 devices

---
 src/org/traccar/web/server/model/DataServiceImpl.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/org/traccar/web/server/model/DataServiceImpl.java b/src/org/traccar/web/server/model/DataServiceImpl.java
index fa7a42d8..a1ea80be 100644
--- a/src/org/traccar/web/server/model/DataServiceImpl.java
+++ b/src/org/traccar/web/server/model/DataServiceImpl.java
@@ -193,7 +193,7 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
     public List<Position> getLatestPositions() {
         List<Position> positions = new LinkedList<Position>();
         User user = getUser();
-        if (!user.getDevices().isEmpty()) {
+        if (user.getDevices() != null && !user.getDevices().isEmpty()) {
             TypedQuery<Position> query = entityManager.createQuery(
                     "SELECT x FROM Position x WHERE x.id IN (" +
                             "SELECT y.latestPosition FROM Device y WHERE y IN (:devices))", Position.class);
-- 
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