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Type: Bug
Resolution: Works as Designed
Priority: Major - P3
Fix Version/s: None
Affects Version/s: 3.6
Component/s: Auth, Connection Mgmt
Labels:
None
Environment:
M10 MongoDB Atlas server, Python 3.6.3 on ubuntu 17.10, with pymongo 3.6.0

Confidence Status:
None

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name:
None
Goal Link:
None

I'm evaluating MongoDB in general and the Atlas service in general, and am having some serious issues with reliability.

When connecting, I periodically (but inconsistently) get an error.

This is the usual error I get when connection fails:

(venv) ixokai@ixobuntu:~/Projects/eyrie$ python -m eyrie.run
Starting...
Traceback (most recent call last):
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 925, in _get_socket_no_auth
    sock_info = self.sockets.pop()
KeyError: 'pop from an empty set'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/home/ixokai/Projects/eyrie/eyrie/run.py", line 11, in <module>
    print(us.find_one({"short_name": "shansen"}))
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/collection.py", line 1224, in find_one
    for result in cursor.limit(-1):
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/cursor.py", line 1176, in next
    if len(self.__data) or self._refresh():
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/cursor.py", line 1087, in _refresh
    self.__send_message(q)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/cursor.py", line 924, in __send_message
    **kwargs)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/mongo_client.py", line 1026, in _send_message_with_response
    exhaust)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/mongo_client.py", line 1037, in _reset_on_error
    return func(*args, **kwargs)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/server.py", line 85, in send_message_with_response
    with self.get_socket(all_credentials, exhaust) as sock_info:
  File "/usr/lib/python3.6/contextlib.py", line 81, in __enter__
    return next(self.gen)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/server.py", line 138, in get_socket
    with self.pool.get_socket(all_credentials, checkout) as sock_info:
  File "/usr/lib/python3.6/contextlib.py", line 81, in __enter__
    return next(self.gen)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 891, in get_socket
    sock_info = self._get_socket_no_auth()
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 928, in _get_socket_no_auth
    sock_info = self.connect()
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 857, in connect
    None))
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/network.py", line 116, in command
    reply = receive_message(sock, request_id)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/network.py", line 147, in receive_message
    _receive_data_on_socket(sock, 16))
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/network.py", line 176, in _receive_data_on_socket
    raise AutoReconnect("connection closed")
pymongo.errors.AutoReconnect: connection closed

A few times, though, I've gotten this:

(venv) ixokai@ixobuntu:~/Projects/eyrie$ python -m eyrie.run
Starting...
Traceback (most recent call last):
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 925, in _get_socket_no_auth
    sock_info = self.sockets.pop()
KeyError: 'pop from an empty set'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 842, in connect
    sock = _configured_socket(self.address, self.opts)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 744, in _configured_socket
    sock = _create_connection(address, options)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 728, in _create_connection
    raise err
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 721, in _create_connection
    sock.connect(sa)
socket.timeout: timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/home/ixokai/Projects/eyrie/eyrie/run.py", line 9, in <module>
    print(us.find_one({"short_name": "shansen"}))
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/collection.py", line 1224, in find_one
    for result in cursor.limit(-1):
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/cursor.py", line 1176, in next
    if len(self.__data) or self._refresh():
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/cursor.py", line 1087, in _refresh
    self.__send_message(q)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/cursor.py", line 924, in __send_message
    **kwargs)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/mongo_client.py", line 1026, in _send_message_with_response
    exhaust)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/mongo_client.py", line 1037, in _reset_on_error
    return func(*args, **kwargs)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/server.py", line 85, in send_message_with_response
    with self.get_socket(all_credentials, exhaust) as sock_info:
  File "/usr/lib/python3.6/contextlib.py", line 81, in __enter__
    return next(self.gen)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/server.py", line 138, in get_socket
    with self.pool.get_socket(all_credentials, checkout) as sock_info:
  File "/usr/lib/python3.6/contextlib.py", line 81, in __enter__
    return next(self.gen)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 891, in get_socket
    sock_info = self._get_socket_no_auth()
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 928, in _get_socket_no_auth
    sock_info = self.connect()
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 864, in connect
    _raise_connection_failure(self.address, error)
  File "/home/ixokai/Projects/eyrie/venv/lib/python3.6/site-packages/pymongo/pool.py", line 259, in _raise_connection_failure
    raise NetworkTimeout(msg)
pymongo.errors.NetworkTimeout: eyrie-apt-demo-dev-shard-00-00-ebuln.mongodb.net:27017: timed out

Assignee:: Bernie Hackett

Reporter:: Stephen Hansen

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Created:: Jan 13 2018 01:11:18 AM UTC

Updated:: Oct 27 2023 01:10:37 PM UTC

Resolved:: Jan 16 2018 09:35:19 PM UTC

GA Target Date:: None

Public Preview Target Date:: None

Private Preview Target Date:: None

Experiment Target Date:: None

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