"cursor_id is not None" assert should be a well defined exception

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    • Type: Improvement
    • Resolution: Done
    • Priority: Trivial - P5
    • 3.3
    • Affects Version/s: None
    • Component/s: None
    • None
    • Environment:
      pymongo current master Dec 15 792b7626dc8e3300924e125bd9f153f94de87469
      MongoDB 2.4.6
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      I'm (still) trying to get to the bottom of our rare auth issues in production. In one test I wrote, I've been able to trigger a driver assertion in a mutli-threaded app when a socket disappears.

        File "/users/is/jblackburn/git/arctic/arctic/decorators.py", line 53, in f_retry
    return f(*args, **kwargs)
  File "/users/is/jblackburn/git/ahl.mongo/ahl/mongo/mongoose/store/version_store.py", line 108, in write
    return super(VersionStore, self).write(symbol, data, metadata, prune_previous_version, **kwargs)
  File "/users/is/jblackburn/git/arctic/arctic/decorators.py", line 53, in f_retry
    return f(*args, **kwargs)
  File "/users/is/jblackburn/git/arctic/arctic/store/version_store.py", line 548, in write
    self._ensure_index()
  File "/users/is/jblackburn/git/arctic/arctic/decorators.py", line 53, in f_retry
    return f(*args, **kwargs)
  File "/users/is/jblackburn/git/arctic/arctic/store/version_store.py", line 77, in _ensure_index
    th._ensure_index(collection)
  File "/users/is/jblackburn/git/arctic/arctic/store/_ndarray_store.py", line 115, in _ensure_index
    ('sha', pymongo.ASCENDING)], unique=True, background=True)
  File "/users/is/jblackburn/git/mongo-python-driver/pymongo/collection.py", line 1380, in create_index
    self.__create_index(keys, kwargs)
  File "/users/is/jblackburn/git/mongo-python-driver/pymongo/collection.py", line 1297, in __create_index
    sock_info, index, True, False, False, wcn)
  File "/users/is/jblackburn/git/mongo-python-driver/pymongo/collection.py", line 530, in _insert
    check_keys, manipulate, write_concern, op_id, bypass_doc_val)
  File "/users/is/jblackburn/git/mongo-python-driver/pymongo/collection.py", line 519, in _insert_one
    check_keys, acknowledged, concern, False, self.codec_options)
  File "/users/is/jblackburn/git/mongo-python-driver/pymongo/collection.py", line 458, in _legacy_write
    rqst_id, msg, max_size, acknowledged)
  File "/users/is/jblackburn/git/mongo-python-driver/pymongo/pool.py", line 264, in legacy_write
    return helpers._check_gle_response(response)
  File "/users/is/jblackburn/git/mongo-python-driver/pymongo/helpers.py", line 201, in _check_gle_response
    response = _unpack_response(response)
  File "/users/is/jblackburn/git/mongo-python-driver/pymongo/helpers.py", line 109, in _unpack_response
    assert cursor_id is not None
AssertionError

            Assignee:
            Bernie Hackett
            Reporter:
            James Blackburn
            Votes:
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            Watchers:
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              Created:
              Updated:
              Resolved: