From 60e9026a968fb639a617670d8b03e052381d5c55 Mon Sep 17 00:00:00 2001
From: Matjaž Črnko <m.crnko@txt.si>
Date: Sun, 1 Oct 2023 00:12:02 +0200
Subject: Ruptela: Fix a bug with extended records spanning multiple messages

---
 src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/main')

diff --git a/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java b/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java
index b381b93f8..d4f9808ae 100644
--- a/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java
@@ -243,7 +243,11 @@ public class RuptelaProtocolDecoder extends BaseProtocolDecoder {
                     int currentRecord = BitUtil.to(recordExtension, 4);
 
                     if (currentRecord > 0 && currentRecord <= mergeRecordCount) {
-                        position = positions.remove(positions.size() - 1);
+                        if (positions.size() == 0) {
+                            getLastLocation(position, null);
+                        } else {
+                            position = positions.remove(positions.size() - 1);
+                        }
                     }
                 }
 
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