modbus rtu connnect also bug report [BUG]

[lyly0906]

Describe the bug

Exception in thread Modbus: Traceback (most recent call last): File "/usr/local/lib/python3.6/threading.py", line 916, in _bootstrap_inner self.run() File "/usr/local/lib/python3.6/site-packages/thingsboard_gateway-2.5.2-py3.6.egg/thingsboard_gateway/connectors/modbus/modbus_connector.py", line 72, in run self.connect_to_current_master() File "/usr/local/lib/python3.6/site-packages/thingsboard_gateway-2.5.2-py3.6.egg/thingsboard_gateway/connectors/modbus/modbus_connector.py", line 233, in connect_to_current_master device_address = str(self.current_master.host) + ":" + str(self.__current_master.port) if self.devices[device]["config"]["type"] != 'serial' else self.__current_master.port KeyError: None

Connector name (If bug in the some connector): [e.g. modbus RTU Connector]

Error traceback (If available):

'deviceName'
Traceback (most recent call last):
  File "<input>", line 2, in <module>
KeyError: 'deviceName'

Versions (please complete the following information):

• OS: [e.g. Ubuntu 18.04]
• Thingsboard IoT Gateway version [e.g. 2.0]
• Python version[e.g. 3.7]

[imbeacon]

Hi @lyly0906 ,

Thank you for your feedback, could you try the current version from the master branch, it has to work fine.

[lyly0906]

yes,I will git clone the newest version from the master branch. it's also bug report.

[imbeacon]

Ok, I removed getting the port from the connector, please try again. If it doesn't work please attach your configuration for Modbus connector.

[lyly0906]

My Modbus RTU configuration is :

{ "name": "Modbus", "server": { "baudrate": 9600, "byteOrder": "BIG", "devices": [ { "attributes": [], "attributesPollPeriod": 3600000, "deviceName": "Air Humi and Temp", "deviceType": "default", "rpc": [], "sendDataOnlyOnChange": false, "timeseries": [ { "address": 0, "byteOrder": "BIG", "deviceName": "Air Humi and Temp", "functionCode": 3, "objectsCount": 1, "tag": "humidity", "type": "long" }, { "address": 1, "byteOrder": "BIG", "deviceName": "Air Humi and Temp", "functionCode": 3, "objectsCount": 1, "tag": "temperature", "type": "long" } ], "timeseriesPollPeriod": 3000, "unitId": 1 } ], "method": "rtu", "name": "Modbus Default Server", "port": "/dev/ttyUSB0", "timeout": 35, "type": "serial" } }

[imbeacon]

I apologize, I was looking for in the wrong place, please try now.

[lyly0906]

Thanks。 Now the modbus rtu is ok。