boto3 ConnectionClosedError python

Question

I am trying to deploy Rest Api with Chalice. When I do chalice deploy.

The code worked with chalice local. But it fails in Deployment.

I get the following error:

Creating deployment package.
Updating policy for IAM role: learnChalice-dev
Updating lambda function: learnChalice-dev
Traceback (most recent call last):
  File "/home/dragon/.local/lib/python3.7/site-packages/urllib3/connectionpool.py", line 600, in urlopen
    chunked=chunked)
  File "/home/dragon/.local/lib/python3.7/site-packages/urllib3/connectionpool.py", line 354, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/http/client.py", line 1252, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/awsrequest.py", line 92, in _send_request
    method, url, body, headers, *args, **kwargs)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/http/client.py", line 1298, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/http/client.py", line 1247, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/awsrequest.py", line 119, in _send_output
    self.send(msg)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/awsrequest.py", line 203, in send
    return super(AWSConnection, self).send(str)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/http/client.py", line 987, in send
    self.sock.sendall(data)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/ssl.py", line 1034, in sendall
    v = self.send(byte_view[count:])
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/ssl.py", line 1003, in send
    return self._sslobj.write(data)
socket.timeout: The write operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/httpsession.py", line 263, in send
    chunked=self._chunked(request.headers),
  File "/home/dragon/.local/lib/python3.7/site-packages/urllib3/connectionpool.py", line 638, in urlopen
    _stacktrace=sys.exc_info()[2])
  File "/home/dragon/.local/lib/python3.7/site-packages/urllib3/util/retry.py", line 344, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/home/dragon/.local/lib/python3.7/site-packages/urllib3/packages/six.py", line 685, in reraise
    raise value.with_traceback(tb)
  File "/home/dragon/.local/lib/python3.7/site-packages/urllib3/connectionpool.py", line 600, in urlopen
    chunked=chunked)
  File "/home/dragon/.local/lib/python3.7/site-packages/urllib3/connectionpool.py", line 354, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/http/client.py", line 1252, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/awsrequest.py", line 92, in _send_request
    method, url, body, headers, *args, **kwargs)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/http/client.py", line 1298, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/http/client.py", line 1247, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/awsrequest.py", line 119, in _send_output
    self.send(msg)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/awsrequest.py", line 203, in send
    return super(AWSConnection, self).send(str)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/http/client.py", line 987, in send
    self.sock.sendall(data)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/ssl.py", line 1034, in sendall
    v = self.send(byte_view[count:])
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/ssl.py", line 1003, in send
    return self._sslobj.write(data)
urllib3.exceptions.ProtocolError: ('Connection aborted.', timeout('The write operation timed out'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/chalice/cli/__init__.py", line 599, in main
    return cli(obj={})
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/click/core.py", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/click/core.py", line 1066, in invoke

return ctx.invoke(self.callback, **ctx.params)

File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/click/core.py", line 610, in invoke return callback(*args, **kwargs) File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/click/decorators.py", line 21, in new_func return f(get_current_context(), *args, **kwargs) File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/chalice/cli/init.py", line 206, in deploy deployed_values = d.deploy(config, chalice_stage_name=stage) File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/chalice/deploy/deployer.py", line 353, in deploy return self._deploy(config, chalice_stage_name) File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/chalice/deploy/deployer.py", line 366, in _deploy self._executor.execute(plan) File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/chalice/deploy/executor.py", line 44, in execute self._default_handler)(instruction) File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/chalice/deploy/executor.py", line 56, in _do_apicall result = method(**final_kwargs) File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/chalice/awsclient.py", line 273, in update_function zip_contents=zip_contents)

  File "/home/dragon/anaconda3/envs/my_env/lib/python3.7/site-packages/chalice/awsclient.py", line 294, in _update_function_code
    FunctionName=function_name, ZipFile=zip_contents)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/client.py", line 316, in _api_call
    return self._make_api_call(operation_name, kwargs)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/client.py", line 613, in _make_api_call
    operation_model, request_dict, request_context)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/client.py", line 632, in _make_request
    return self._endpoint.make_request(operation_model, request_dict)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/endpoint.py", line 102, in make_request
    return self._send_request(request_dict, operation_model)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/endpoint.py", line 137, in _send_request
    success_response, exception):
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/endpoint.py", line 231, in _needs_retry
    caught_exception=caught_exception, request_dict=request_dict)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/hooks.py", line 356, in emit
    return self._emitter.emit(aliased_event_name, **kwargs)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/hooks.py", line 228, in emit
    return self._emit(event_name, kwargs)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/hooks.py", line 211, in _emit
    response = handler(**kwargs)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/retryhandler.py", line 183, in __call__
    if self._checker(attempts, response, caught_exception):
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/retryhandler.py", line 251, in __call__
    caught_exception)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/retryhandler.py", line 277, in _should_retry
    return self._checker(attempt_number, response, caught_exception)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/retryhandler.py", line 317, in __call__
    caught_exception)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/retryhandler.py", line 223, in __call__
    attempt_number, caught_exception)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/retryhandler.py", line 359, in _check_caught_exception
    raise caught_exception
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/endpoint.py", line 200, in _do_get_response
    http_response = self._send(request)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/endpoint.py", line 244, in _send
    return self.http_session.send(request)
  File "/home/dragon/.local/lib/python3.7/site-packages/botocore/httpsession.py", line 294, in send
    endpoint_url=request.url
botocore.exceptions.ConnectionClosedError: Connection was closed before we received a valid response from endpoint URL: "https://lambda.ap-south-1.amazonaws.com/2015-03-31/functions/learnChalice-dev/code".

Thanks a lot for help.

There is some timeout. Can you verify that you can connect to deploy test lambda functions from AWS CLI manually (no chalice), or invoke them? — Marcin
– Marcin, Commented May 26, 2020 at 22:45
Hey @Marcin ,, I was able to do till few hours back. I just added a little extra code. Using web3.py now. IDK how to deploy with just aws cli ..to lambda.. ok will check — Darth Vader
– Darth Vader, Commented May 26, 2020 at 22:51
Hey @Marcin I also tried this. github.com/aws/chalice/issues/344 Increased the default timeout in botocore/endpoint.py - 60 , 120 , 500, etc. Nothing worked. — Darth Vader
– Darth Vader, Commented May 26, 2020 at 22:54

Marcin · Accepted Answer · 2020-05-26 23:45:57Z

4

Based on the comments, the solution was to increase default timeout:

chalice deploy --connection-timeout 300

answered May 26, 2020 at 23:45

Marcin

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