ERROR:websockets.server:Error in connection handler

ERROR:websockets.server:Error in connection handler
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/websockets/protocol.py", line 827, in transfer_data
message = await self.read_message()
File "/usr/lib/python3/dist-packages/websockets/protocol.py", line 895, in read_message
frame = await self.read_data_frame(max_size=self.max_size)
File "/usr/lib/python3/dist-packages/websockets/protocol.py", line 971, in read_data_frame
frame = await self.read_frame(max_size)
File "/usr/lib/python3/dist-packages/websockets/protocol.py", line 1047, in read_frame
frame = await Frame.read(
File "/usr/lib/python3/dist-packages/websockets/framing.py", line 105, in read
data = await reader(2)
File "/usr/lib/python3.9/asyncio/streams.py", line 723, in readexactly
await self._wait_for_data('readexactly')
File "/usr/lib/python3.9/asyncio/streams.py", line 517, in _wait_for_data
await self._waiter
asyncio.exceptions.CancelledError

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/websockets/server.py", line 191, in handler
await self.ws_handler(self, path)
File "/opt/vosk-server/websocket/./asr_server.py", line 38, in recognize
message = await websocket.recv()
File "/usr/lib/python3/dist-packages/websockets/protocol.py", line 509, in recv
await self.ensure_open()
File "/usr/lib/python3/dist-packages/websockets/protocol.py", line 812, in ensure_open
raise self.connection_closed_exc()
websockets.exceptions.ConnectionClosedError: code = 1006 (connection closed abnormally [internal]), no reason
INFO:root:Connection from ('172.17.0.1', 37984)
INFO:root:Config {'sample_rate': 8000}
INFO:root:Connection from ('172.17.0.1', 37988)
INFO:root:Config {'sample_rate': 8000}
INFO:root:Connection from ('172.17.0.1', 37992)
INFO:root:Config {'sample_rate': 8000}
INFO:root:Connection from ('172.17.0.1', 37996)
INFO:root:Connection from ('172.17.0.1', 38000)