From de56187c1a48b3c4388ff986bd318d4683f2a344 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 7 May 2016 16:44:27 +1200
Subject: Implement general custom commands

---
 src/org/traccar/protocol/Gps103ProtocolDecoder.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/org/traccar/protocol/Gps103ProtocolDecoder.java')

diff --git a/src/org/traccar/protocol/Gps103ProtocolDecoder.java b/src/org/traccar/protocol/Gps103ProtocolDecoder.java
index f2d2ba5ba..c1f0af42f 100644
--- a/src/org/traccar/protocol/Gps103ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gps103ProtocolDecoder.java
@@ -121,7 +121,7 @@ public class Gps103ProtocolDecoder extends BaseProtocolDecoder {
         }
 
         // Send response #2
-        if (Character.isDigit(sentence.charAt(0))) {
+        if (!sentence.isEmpty() && Character.isDigit(sentence.charAt(0))) {
             if (channel != null) {
                 channel.write("ON", remoteAddress);
             }
-- 
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