From ac13cf5611d40358eed31983399324fd4b68a8db Mon Sep 17 00:00:00 2001
From: Evgeny S Maksimov <me@vragam.net>
Date: Tue, 29 Jan 2019 23:56:24 +0300
Subject: Fix parsing of type "~C" FLEX messages

---
 src/org/traccar/protocol/NavisProtocolDecoder.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/org')

diff --git a/src/org/traccar/protocol/NavisProtocolDecoder.java b/src/org/traccar/protocol/NavisProtocolDecoder.java
index 92d458559..912e47369 100644
--- a/src/org/traccar/protocol/NavisProtocolDecoder.java
+++ b/src/org/traccar/protocol/NavisProtocolDecoder.java
@@ -539,7 +539,9 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder {
 
     private Object processFlexSingle(
             FlexPositionParser parser, String flexHeader, DeviceSession deviceSession, Channel channel, ByteBuf buf) {
-        buf.readUnsignedInt(); // event index
+        if (!flexHeader.equals("~C")) {
+            buf.readUnsignedInt(); // event index
+        }
 
         ParseResult result = parser.parsePosition(deviceSession, buf);
 
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