[Bug] Unexpected exception trying to send to websocket: code = 1006

[avb1213]

What happened?

Hello. From 2-3 month ago chia node start periodically (3-4 times in month) stop syncing. After restart it syncing more then 10-12 hours or even more. From debug.log: 2022-01-24T13:27:19.932 daemon chia.daemon.server : ERROR Unexpected exception trying to send to websocket: code = 1006 (connection closed abnormally [internal])

Version

1.2.11

What platform are you using?

Linux

What ui mode are you using?

CLI

Relevant log output

2022-01-24T13:27:19.932 daemon chia.daemon.server         : ERROR    Unexpected exception trying to send to websocket: code = 1006 (connection closed abnormally [internal]), no reason Traceback (most recent call last):
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 827, in transfer_data
    message = await self.read_message()
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 895, in read_message
    frame = await self.read_data_frame(max_size=self.max_size)
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 971, in read_data_frame
    frame = await self.read_frame(max_size)
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 1047, in read_frame
    frame = await Frame.read(
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/framing.py", line 105, in read
    data = await reader(2)
  File "/usr/lib/python3.8/asyncio/streams.py", line 721, in readexactly
    raise exceptions.IncompleteReadError(incomplete, n)
asyncio.exceptions.IncompleteReadError: 0 bytes read on a total of 2 expected bytes

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

Traceback (most recent call last):
  File "/home/user/chia-blockchain/chia/daemon/server.py", line 210, in safe_handle
    await socket.send(response)
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 555, in send
    await self.ensure_open()
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 803, in ensure_open
    raise self.connection_closed_exc()
websockets.exceptions.ConnectionClosedError: code = 1006 (connection closed abnormally [internal]), no reason

2022-01-24T13:27:20.818 daemon chia.daemon.server         : ERROR    Unexpected exception trying to send to websocket: code = 1006 (connection closed abnormally [internal]), no reason Traceback (most recent call last):
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 827, in transfer_data
    message = await self.read_message()
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 895, in read_message
    frame = await self.read_data_frame(max_size=self.max_size)
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 971, in read_data_frame
    frame = await self.read_frame(max_size)
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 1047, in read_frame
    frame = await Frame.read(
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/framing.py", line 105, in read
    data = await reader(2)
  File "/usr/lib/python3.8/asyncio/streams.py", line 721, in readexactly
    raise exceptions.IncompleteReadError(incomplete, n)
asyncio.exceptions.IncompleteReadError: 0 bytes read on a total of 2 expected bytes

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

Traceback (most recent call last):
  File "/home/user/chia-blockchain/chia/daemon/server.py", line 210, in safe_handle
    await socket.send(response)
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 555, in send
    await self.ensure_open()
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 803, in ensure_open
    raise self.connection_closed_exc()
websockets.exceptions.ConnectionClosedError: code = 1006 (connection closed abnormally [internal]), no reason

[avb1213]

Now, after full_node restart and wait for 24 hours to sync I have this error:

(venv) user@vm1:~/chia-blockchain$ chia show -s
Exception from 'show' Traceback (most recent call last):
  File "/home/user/chia-blockchain/chia/cmds/show.py", line 41, in show_async
    blockchain_state = await client.get_blockchain_state()
  File "/home/user/chia-blockchain/chia/rpc/full_node_rpc_client.py", line 27, in get_blockchain_state
    response = await self.fetch("get_blockchain_state", {})
  File "/home/user/chia-blockchain/chia/rpc/rpc_client.py", line 49, in fetch
    raise ValueError(res_json)
ValueError: {'error': "b'\\xd7\\x80\\xd2,z\\x87\\xc9\\xe0\\x1d\\x98\\xb4\\x9a\\t\\x10\\xf6p\\x1c;\\x95\\x01WA1k?\\xda\\x04.]{\\x81\\xd2'", 'success': False}

[esaung]

we have a lot of changes coming in our next release. We'll have to see if this issues persists in the upcoming build.

[avb1213]

Thanx for reply. I just made an experiment. Install chia-blockchain on fresh Ubuntu 20.04. It's synced after 2,5 days, but still have a lot of errors in log:

2022-01-31T09:50:31.376 daemon chia.daemon.server         : ERROR    Unexpected exception trying to send to websocket: code = 1006 (connection closed abnormally [internal]), no reason Traceback (most recent call last):
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 827, in transfer_data
    message = await self.read_message()
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 895, in read_message
    frame = await self.read_data_frame(max_size=self.max_size)
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 971, in read_data_frame
    frame = await self.read_frame(max_size)
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 1047, in read_frame
    frame = await Frame.read(
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/framing.py", line 105, in read
    data = await reader(2)
  File "/usr/lib/python3.8/asyncio/streams.py", line 721, in readexactly
    raise exceptions.IncompleteReadError(incomplete, n)
asyncio.exceptions.IncompleteReadError: 0 bytes read on a total of 2 expected bytes

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

Traceback (most recent call last):
  File "/home/user/chia-blockchain/chia/daemon/server.py", line 210, in safe_handle
    await socket.send(response)
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 555, in send
    await self.ensure_open()
  File "/home/user/chia-blockchain/venv/lib/python3.8/site-packages/websockets/protocol.py", line 803, in ensure_open
    raise self.connection_closed_exc()
websockets.exceptions.ConnectionClosedError: code = 1006 (connection closed abnormally [internal]), no reason

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