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-rw-r--r--src/org/traccar/protocol/CalAmpProtocolDecoder.java6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/org/traccar/protocol/CalAmpProtocolDecoder.java b/src/org/traccar/protocol/CalAmpProtocolDecoder.java
index 99edb9fb7..47d7bf483 100644
--- a/src/org/traccar/protocol/CalAmpProtocolDecoder.java
+++ b/src/org/traccar/protocol/CalAmpProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2015 - 2016 Anton Tananaev (anton.tananaev@gmail.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -130,7 +130,9 @@ public class CalAmpProtocolDecoder extends BaseProtocolDecoder {
}
for (int i = 0; i < accCount; i++) {
- position.set("acc" + i, buf.readUnsignedInt());
+ if (buf.readableBytes() >= 4) {
+ position.set("acc" + i, buf.readUnsignedInt());
+ }
}
return position;