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-rw-r--r--src/org/traccar/protocol/OsmAndProtocolDecoder.java3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/OsmAndProtocolDecoder.java b/src/org/traccar/protocol/OsmAndProtocolDecoder.java
index da502ca65..12192c457 100644
--- a/src/org/traccar/protocol/OsmAndProtocolDecoder.java
+++ b/src/org/traccar/protocol/OsmAndProtocolDecoder.java
@@ -64,6 +64,9 @@ public class OsmAndProtocolDecoder extends BaseProtocolDecoder {
case "deviceid":
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, value);
if (deviceSession == null) {
+ if (channel != null) {
+ channel.write(new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.BAD_REQUEST));
+ }
return null;
}
position.setDeviceId(deviceSession.getDeviceId());