From ff6a7b59b84dbb648f35e08f013f8852060e321d Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Mon, 31 Dec 2018 10:10:08 -0800
Subject: Handle Queclink GTSTC messages (fix #4173)

---
 src/org/traccar/protocol/Gl200TextProtocolDecoder.java | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/org/traccar/protocol/Gl200TextProtocolDecoder.java b/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
index 97cc8f987..31ff4a670 100644
--- a/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
@@ -1079,9 +1079,11 @@ public class Gl200TextProtocolDecoder extends BaseProtocolDecoder {
             return null;
         }
 
-        int hdop = parser.nextInt();
-        position.setValid(hdop > 0);
-        position.set(Position.KEY_HDOP, hdop);
+        if (parser.hasNext()) {
+            int hdop = parser.nextInt();
+            position.setValid(hdop > 0);
+            position.set(Position.KEY_HDOP, hdop);
+        }
 
         position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0)));
         position.setCourse(parser.nextDouble(0));
-- 
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