Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Docker 4.12.0 on Windows throws "The pipe has been ended" error

See original GitHub issue

Hi team,

We’ve started to see error messages with Docker Desktop v4.12.0 on Windows. We are attaching to the container by calling {container_instance}.attach(stream=True, logs=True, demux=True) and then iterating through the logs streams. This is working fine with earlier versions but it started to throw following error with Docker Desktop v4.12.0.

Traceback (most recent call last):
  File "c:\users\administrator\workplace\aws-sam-cli\samcli\local\docker\container.py", line 401, in _write_container_output
    for stdout_data, stderr_data in output_itr:
  File "c:\users\administrator\workplace\aws-sam-cli\venv\lib\site-packages\docker\types\daemon.py", line 32, in __next__
    return next(self._stream)
  File "c:\users\administrator\workplace\aws-sam-cli\venv\lib\site-packages\docker\api\client.py", line 406, in <genexpr>
    gen = (demux_adaptor(*frame) for frame in gen)
  File "c:\users\administrator\workplace\aws-sam-cli\venv\lib\site-packages\docker\utils\socket.py", line 94, in frames_iter_no_tty
    (stream, n) = next_frame_header(socket)
  File "c:\users\administrator\workplace\aws-sam-cli\venv\lib\site-packages\docker\utils\socket.py", line 66, in next_frame_header
    data = read_exactly(socket, 8)
  File "c:\users\administrator\workplace\aws-sam-cli\venv\lib\site-packages\docker\utils\socket.py", line 51, in read_exactly
    next_data = read(socket, n - len(data))
  File "c:\users\administrator\workplace\aws-sam-cli\venv\lib\site-packages\docker\utils\socket.py", line 35, in read
    return socket.recv(n)
  File "c:\users\administrator\workplace\aws-sam-cli\venv\lib\site-packages\docker\transport\npipesocket.py", line 23, in wrapped
    return f(self, *args, **kwargs)
  File "c:\users\administrator\workplace\aws-sam-cli\venv\lib\site-packages\docker\transport\npipesocket.py", line 117, in recv
    err, data = win32file.ReadFile(self._handle, bufsize)
pywintypes.error: (109, 'ReadFile', 'The pipe has been ended.')

A simplified version of how we are reading the logs;

# stdout and stderr are StreamWriter's that is been provided earlier
logs_itr = container.attach(stream=True, logs=True, demux=True)

for stdout_data, stderr_data in output_itr:
  if stdout_data and stdout:
    stdout.write(stdout_data)

  if stderr_data and stderr:
    stderr.write(stderr_data)

See related issue here: https://github.com/aws/aws-sam-cli/issues/4222

Thanks!