Ignore empty locations (fix #4687)

2 files changed, 8 insertions, 1 deletions

diff --git a/src/main/java/org/traccar/protocol/Tlt2hProtocolDecoder.java b/src/main/java/org/traccar/protocol/Tlt2hProtocolDecoder.java
index 2bfc08c75..ad7dfa886 100644
--- a/src/main/java/org/traccar/protocol/Tlt2hProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Tlt2hProtocolDecoder.java
@@ -179,6 +179,9 @@ public class Tlt2hProtocolDecoder extends BaseProtocolDecoder {
 
                     dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
                     position.setTime(dateBuilder.getDate());
+
+                } else {
+                    continue;
                 }
 
             } else if (message.contains("$WIFI")) {
@@ -220,7 +223,7 @@ public class Tlt2hProtocolDecoder extends BaseProtocolDecoder {
             positions.add(position);
         }
 
-        return positions;
+        return positions.isEmpty() ? null : positions;
     }
 
 }
diff --git a/src/test/java/org/traccar/protocol/Tlt2hProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Tlt2hProtocolDecoderTest.java
index bc1c8e112..b747fa960 100644
--- a/src/test/java/org/traccar/protocol/Tlt2hProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Tlt2hProtocolDecoderTest.java
@@ -11,6 +11,10 @@ public class Tlt2hProtocolDecoderTest extends ProtocolTest {
 
         var decoder = new Tlt2hProtocolDecoder(null);
 
+        verifyNull(decoder, text(
+                "#860517049471362#MT700#0000#AUTO#1\r\n",
+                "#36$GPRMC,,V,,,,,,,,,,A*5C\r\n"));
+
         verifyPositions(decoder, text(
                 "#867198059727390#MT700#0000#AUTO#1\r\n",
                 "#38$GPRMC,105721.00,A,2238.3071,N,11401.7575,E,,96.70,250321,,,A*74\r\n"));