From 132b3b21bb7f56fa880a7024d581f36b98b78a7f Mon Sep 17 00:00:00 2001
From: Evgeny S Maksimov <me@vragam.net>
Date: Mon, 17 Dec 2018 12:12:56 +0300
Subject: Added check of the group parameter.

---
 src/org/traccar/WebDataHandler.java | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/org/traccar/WebDataHandler.java b/src/org/traccar/WebDataHandler.java
index 49033fc3a..c7ce7485d 100644
--- a/src/org/traccar/WebDataHandler.java
+++ b/src/org/traccar/WebDataHandler.java
@@ -140,16 +140,19 @@ public class WebDataHandler extends BaseDataHandler {
             request = request.replace("{gprmc}", formatSentence(position));
         }
 
-        String deviceGroupName = "";
-
-        if (device.getGroupId() != 0) {
-            Group group = Context.getGroupsManager().getById(device.getGroupId());
-            if (group != null) {
+        if (request.contains("{group}")) {
+            String deviceGroupName = "";
+            if (device.getGroupId() != 0) {
+                Group group = Context.getGroupsManager().getById(device.getGroupId());
+                if (group != null) {
                 deviceGroupName = group.getName();
+                }
             }
+
+            request = request.replace("{group}", URLEncoder.encode(deviceGroupName, StandardCharsets.UTF_8.name()));
         }
 
-        return request.replace("{group}", URLEncoder.encode(deviceGroupName, StandardCharsets.UTF_8.name()));
+        return request;
     }
 
     @Override
-- 
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