client_to_prosys.py

[FatimaRani]

Hi!

while running the code of client_to_prosys.py , I got the following error

C:\Users\Fatima\PycharmProjects\pythonOPCUAClient\venv\Scripts\python.exe C:/Users/Fatima/PycharmProjects/pythonOPCUAClient/client_to_prosys.py
ERROR:asyncua.client.ua_client.UASocketProtocol:Exception raised while parsing message from server
Traceback (most recent call last):
File "C:\Users\Fatima\PycharmProjects\pythonOPCUAClient\venv\lib\site-packages\asyncua\client\ua_client.py", line 88, in _process_received_data
data = bytes(buf)
TypeError: bytes returned non-bytes (type bytearray)
WARNING:asyncua.client.ua_client.UaClient:disconnect_socket was called but connection is closed
Traceback (most recent call last):
File "C:\Users\Fatima\PycharmProjects\pythonOPCUAClient\client_to_prosys.py", line 29, in
asyncio.run(main())
File "C:\Python310\lib\asyncio\runners.py", line 44, in run
return loop.run_until_complete(main)
File "C:\Python310\lib\asyncio\base_events.py", line 641, in run_until_complete
return future.result()
File "C:\Users\Fatima\PycharmProjects\pythonOPCUAClient\client_to_prosys.py", line 22, in main
async with Client(url=url) as client:
File "C:\Users\Fatima\PycharmProjects\pythonOPCUAClient\venv\lib\site-packages\asyncua\client\client.py", line 68, in aenter
await self.connect()
File "C:\Users\Fatima\PycharmProjects\pythonOPCUAClient\venv\lib\site-packages\asyncua\client\client.py", line 247, in connect
await self.create_session()
File "C:\Users\Fatima\PycharmProjects\pythonOPCUAClient\venv\lib\site-packages\asyncua\client\client.py", line 370, in create_session
response = await self.uaclient.create_session(params)
File "C:\Users\Fatima\PycharmProjects\pythonOPCUAClient\venv\lib\site-packages\asyncua\client\ua_client.py", line 297, in create_session
data = await self.protocol.send_request(request)
File "C:\Users\Fatima\PycharmProjects\pythonOPCUAClient\venv\lib\site-packages\asyncua\client\ua_client.py", line 148, in send_request
raise ConnectionError("Connection is closed") from None
ConnectionError: Connection is closed

Process finished with exit code 1