Failed message parsing

[hoffi085]

Describe the bug
The data-collector cannot parse the message from the gateway.

Log

--- Logging error ---
2021-05-17T13:25:01.857048206Z  Traceback (most recent call last):
2021-05-17T13:25:01.857050267Z    File "/root/app/auditing/datacollectors/LoraServerIOCollector.py", line 305, in on_message
2021-05-17T13:25:01.857052381Z      standard_packet['modu'] = data_rate.get('modulation')
2021-05-17T13:25:01.857054493Z  AttributeError: 'NoneType' object has no attribute 'get'
2021-05-17T13:25:01.857056511Z  
2021-05-17T13:25:01.857058665Z  During handling of the above exception, another exception occurred:
2021-05-17T13:25:01.857060818Z  
2021-05-17T13:25:01.857073146Z  Traceback (most recent call last):
2021-05-17T13:25:01.857075270Z    File "/usr/lib/python3.7/logging/__init__.py", line 1034, in emit
2021-05-17T13:25:01.857079975Z      msg = self.format(record)
2021-05-17T13:25:01.857082044Z    File "/usr/lib/python3.7/logging/__init__.py", line 880, in format
2021-05-17T13:25:01.857084244Z      return fmt.format(record)
2021-05-17T13:25:01.857086378Z    File "/usr/lib/python3.7/logging/__init__.py", line 619, in format
2021-05-17T13:25:01.857088692Z      record.message = record.getMessage()
2021-05-17T13:25:01.857090797Z    File "/usr/lib/python3.7/logging/__init__.py", line 380, in getMessage
2021-05-17T13:25:01.857096189Z      msg = msg % self.args
2021-05-17T13:25:01.857098317Z  TypeError: not all arguments converted during string formatting
2021-05-17T13:25:01.857100489Z  Call stack:
2021-05-17T13:25:01.857102545Z    File "/usr/lib/python3.7/threading.py", line 885, in _bootstrap
2021-05-17T13:25:01.857104659Z      self._bootstrap_inner()
2021-05-17T13:25:01.857106694Z    File "/usr/lib/python3.7/threading.py", line 917, in _bootstrap_inner
2021-05-17T13:25:01.857108781Z      self.run()
2021-05-17T13:25:01.857110758Z    File "/usr/lib/python3.7/threading.py", line 865, in run
2021-05-17T13:25:01.857113060Z      self._target(*self._args, **self._kwargs)
2021-05-17T13:25:01.857115287Z    File "/usr/local/lib/python3.7/dist-packages/paho/mqtt/client.py", line 3452, in _thread_main
2021-05-17T13:25:01.857117467Z      self.loop_forever(retry_first_connection=True)
2021-05-17T13:25:01.857119585Z    File "/usr/local/lib/python3.7/dist-packages/paho/mqtt/client.py", line 1779, in loop_forever
2021-05-17T13:25:01.857121716Z      rc = self.loop(timeout, max_packets)
2021-05-17T13:25:01.857123767Z    File "/usr/local/lib/python3.7/dist-packages/paho/mqtt/client.py", line 1181, in loop
2021-05-17T13:25:01.857125821Z      rc = self.loop_read(max_packets)
2021-05-17T13:25:01.857127844Z    File "/usr/local/lib/python3.7/dist-packages/paho/mqtt/client.py", line 1572, in loop_read
2021-05-17T13:25:01.857130090Z      rc = self._packet_read()
2021-05-17T13:25:01.857132189Z    File "/usr/local/lib/python3.7/dist-packages/paho/mqtt/client.py", line 2310, in _packet_read
2021-05-17T13:25:01.857134383Z      rc = self._packet_handle()
2021-05-17T13:25:01.857136499Z    File "/usr/local/lib/python3.7/dist-packages/paho/mqtt/client.py", line 2936, in _packet_handle
2021-05-17T13:25:01.857138583Z      return self._handle_publish()
2021-05-17T13:25:01.857147571Z    File "/usr/local/lib/python3.7/dist-packages/paho/mqtt/client.py", line 3216, in _handle_publish
2021-05-17T13:25:01.857149877Z      self._handle_on_message(message)
2021-05-17T13:25:01.857151923Z    File "/usr/local/lib/python3.7/dist-packages/paho/mqtt/client.py", line 3444, in _handle_on_message
2021-05-17T13:25:01.857154042Z      self.on_message(self, self._userdata, message)
2021-05-17T13:25:01.857156123Z    File "/root/app/auditing/datacollectors/LoraServerIOCollector.py", line 99, in <lambda>
2021-05-17T13:25:01.857158345Z      self.mqtt_client.on_message = lambda client, userdata, msg: self.on_message(client, userdata, msg)
2021-05-17T13:25:01.857160699Z    File "/root/app/auditing/datacollectors/LoraServerIOCollector.py", line 438, in on_message
2021-05-17T13:25:01.857162904Z      json.dumps(mqtt_messsage) if is_protobuf_message else msg.payload.decode("utf-8"))
2021-05-17T13:25:01.857165243Z  Message: 'Error creating Packet in Chirpstack collector:'
2021-05-17T13:25:01.857167438Z  Arguments: (AttributeError("'NoneType' object has no attribute 'get'"), 'Topic: ', 'gateway/00aeaefffe000016/event/up', 'Message: ', '{"phyPayload":"AL3GraPODsb57T4AAArKJQCfXCDdLOQ=","txInfo":{"frequency":868500000,"modulation":"LORA","loRaModulationInfo":{"bandwidth":125,"spreadingFactor":9,"codeRate":"4/5","polarizationInversion":false}},"rxInfo":{"gatewayID":"AK6u//4AABY=","time":"2021-05-17T13:25:01.577240Z","timeSinceGPSEpoch":"1305293119.577s","rssi":-99,"loRaSNR":-14,"channel":7,"rfChain":0,"board":0,"antenna":0,"location":null,"fineTimestampType":"ENCRYPTED","encryptedFineTimestamp":{"aesKeyIndex":0,"encryptedNS":"b+YoGvCf7xj81Xo+s2hvFA==","fpgaID":null},"context":"r85q/A==","uplinkID":"uM8nnPeORxqIJjWCz4ViPA==","crcStatus":"CRC_OK"}}')

[cyones]

Hi! Thank you for the bug report. I think this error is solved in the development branch of the data-collectors project. We will be merging this branch into master these days, so the problem should be solved this week.

[cyones]

Fixed