diff options
| -rw-r--r-- | src/main/java/org/traccar/protocol/IotmProtocolDecoder.java | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/main/java/org/traccar/protocol/IotmProtocolDecoder.java b/src/main/java/org/traccar/protocol/IotmProtocolDecoder.java index e172f6ab2..0c8954ae9 100644 --- a/src/main/java/org/traccar/protocol/IotmProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/IotmProtocolDecoder.java @@ -117,7 +117,11 @@ public class IotmProtocolDecoder extends BaseProtocolDecoder { } else if (msg instanceof MqttSubscribeMessage) { - MqttMessage response = MqttMessageBuilders.subAck().packetId((short) 1).build(); + MqttPublishMessage message = (MqttPublishMessage) msg; + + MqttMessage response = MqttMessageBuilders.subAck() + .packetId((short) message.variableHeader().packetId()) + .build(); if (channel != null) { channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); @@ -184,7 +188,9 @@ public class IotmProtocolDecoder extends BaseProtocolDecoder { buf.readUnsignedByte(); // checksum - MqttMessage response = MqttMessageBuilders.pubAck().packetId((short) 1).build(); + MqttMessage response = MqttMessageBuilders.pubAck() + .packetId((short) message.variableHeader().packetId()) + .build(); if (channel != null) { channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); |