Disconnected error -- but it's working!?!

I am receiving data from iPhone (from port 5055), but in log has the follow message:

2016-02-26 15:01:09 DEBUG: [45E1189E: 5055 < MY_PUBLIC_IP] HEX: 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
2016-02-26 15:01:09 DEBUG: [45E1189E: 5055 > MY_PUBLIC_IP] HEX: 485454502f312e3120323030204f4b0d0a0d0a
2016-02-26 15:01:09  INFO: [45E1189E] disconnected
2016-02-26 15:01:09  INFO: [45E1189E] id: 1, time: 2016-02-26 15:01:01, lat: -29.18581, lon: -54.87408, speed: 0.0, course: 0.0

I don't understand why. This can cause any problem?

It's expected behaviour. Traccar Client uses HTTP requests to send data, so it re-connects every time.

Ok. Perfect.