From 3cdcce26fded7c88109ff98f7e947902ca116452 Mon Sep 17 00:00:00 2001
From: Abyss777 <abyss@fox5.ru>
Date: Tue, 13 Jun 2017 09:52:55 +0500
Subject: Fix managed devices enumerating

---
 src/org/traccar/database/DeviceManager.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/org/traccar/database/DeviceManager.java b/src/org/traccar/database/DeviceManager.java
index 68e2e8262..f2a2dd565 100644
--- a/src/org/traccar/database/DeviceManager.java
+++ b/src/org/traccar/database/DeviceManager.java
@@ -190,7 +190,7 @@ public class DeviceManager implements IdentityManager {
     }
 
     public Collection<Device> getManagedDevices(long userId) throws SQLException {
-        Collection<Device> devices = new ArrayList<>();
+        Collection<Device> devices = new HashSet<>();
         devices.addAll(getDevices(userId));
         for (long managedUserId : Context.getPermissionsManager().getUserPermissions(userId)) {
             devices.addAll(getDevices(managedUserId));
-- 
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