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  1. Python Driver
  2. PYTHON-5347

Stable API SSL tests fail with "The apiVersion parameter is required, please configure your MongoClient's API version" error

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    • Resolution: Duplicate
    • Priority: Icon: Unknown Unknown
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      3. Which versions of the driver/connector does this apply to?

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      1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?
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      Name of Failure:

      test.test_ssl.TestSSL.test_connect_with_ca_bundle, test.test_ssl.TestSSL.test_mongodb_x509_auth,
      test.test_ssl.TestSSL.test_tlsCRLFile_support,
      test.test_ssl.TestSSL.test_tlsCertificateKeyFilePassword,
      and their async counterparts.

      Link to task:

      https://spruce.mongodb.com/task/mongo_python_driver_stable_api_require_v1_rhel8_auth_test_latest_python3.11_auth_ssl_sharded_cluster_patch_e2e673edeb711e24d7feb620e7552a2a7af2f0b0_680913f2c7ee9c000741f853_25_04_23_16_23_25?execution=0&sortBy=STATUS&sortDir=ASC

      Context of when and why the failure occurred:

      Stack trace:

       [2025/04/23 09:55:45.632] FAILURE: pymongo.errors.ServerSelectionTimeoutError: The apiVersion parameter is required, please configure your MongoClient's API version, full error: {'ok': 0.0, 'errmsg': "The apiVersion parameter is required, please configure your MongoClient's API version", 'code': 498870, 'codeName': 'Location498870', '$clusterTime': {'clusterTime': Timestamp(1745427229, 51), 'signature': {'hash': b'1x\x0f\xbb=\x07\nzn\x92?\x8a\xe7M\xac\xd1X;\x93\xf7', 'keyId': 7496545616198107162}}, 'operationTime': Timestamp(1745427229, 51)}, Timeout: 5.0s, Topology Description: <TopologyDescription id: 68091b1e077e62356f002d0f, topology_type: Unknown, servers: [<ServerDescription ('localhost', 27017) server_type: Unknown, rtt: None, error=OperationFailure('The apiVersion parameter is required, please configure your MongoClient\'s API version, full error: {\'ok\': 0.0, \'errmsg\': "The apiVersion parameter is required, please configure your MongoClient\'s API version", \'code\': 498870, \'codeName\': \'Location498870\', \'$clusterTime\': {\'clusterTime\': Timestamp(1745427229, 51), \'signature\': {\'hash\': b\'1x\\x0f\\xbb=\\x07\\nzn\\x92?\\x8a\\xe7M\\xac\\xd1X;\\x93\\xf7\', \'keyId\': 7496545616198107162}}, \'operationTime\': Timestamp(1745427229, 51)}')>]> ()
 [2025/04/23 09:55:45.632] self = <test.test_ssl.TestSSL testMethod=test_tlsCertificateKeyFilePassword>
 [2025/04/23 09:55:45.632]     @client_context.require_tlsCertificateKeyFile
 [2025/04/23 09:55:45.632]     @ignore_deprecations
 [2025/04/23 09:55:45.632]     def test_tlsCertificateKeyFilePassword(self):
 [2025/04/23 09:55:45.632]         # Expects the server to be running with server.pem and ca.pem
 [2025/04/23 09:55:45.632]         #
 [2025/04/23 09:55:45.632]         #   --sslPEMKeyFile=/path/to/pymongo/test/certificates/server.pem
 [2025/04/23 09:55:45.632]         #   --sslCAFile=/path/to/pymongo/test/certificates/ca.pem
 [2025/04/23 09:55:45.632]         if not hasattr(ssl, "SSLContext") and not _ssl.IS_PYOPENSSL:
 [2025/04/23 09:55:45.632]             self.assertRaises(
 [2025/04/23 09:55:45.632]                 ConfigurationError,
 [2025/04/23 09:55:45.632]                 self.simple_client,
 [2025/04/23 09:55:45.632]                 "localhost",
 [2025/04/23 09:55:45.632]                 ssl=True,
 [2025/04/23 09:55:45.632]                 tlsCertificateKeyFile=CLIENT_ENCRYPTED_PEM,
 [2025/04/23 09:55:45.632]                 tlsCertificateKeyFilePassword="qwerty",
 [2025/04/23 09:55:45.632]                 tlsCAFile=CA_PEM,
 [2025/04/23 09:55:45.632]                 serverSelectionTimeoutMS=1000,
 [2025/04/23 09:55:45.632]             )
 [2025/04/23 09:55:45.632]         else:
 [2025/04/23 09:55:45.632] >           connected(
 [2025/04/23 09:55:45.632]                 self.simple_client(
 [2025/04/23 09:55:45.632]                     "localhost",
 [2025/04/23 09:55:45.632]                     ssl=True,
 [2025/04/23 09:55:45.632]                     tlsCertificateKeyFile=CLIENT_ENCRYPTED_PEM,
 [2025/04/23 09:55:45.632]                     tlsCertificateKeyFilePassword="qwerty",
 [2025/04/23 09:55:45.632]                     tlsCAFile=CA_PEM,
 [2025/04/23 09:55:45.632]                     serverSelectionTimeoutMS=5000,
 [2025/04/23 09:55:45.632]                     **self.credentials,  # type: ignore[arg-type]
 [2025/04/23 09:55:45.632]                 )
 [2025/04/23 09:55:45.632]             )
 [2025/04/23 09:55:45.632] test/test_ssl.py:192: 
 [2025/04/23 09:55:45.632] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
 [2025/04/23 09:55:45.632] test/__init__.py:1330: in connected
 [2025/04/23 09:55:45.632]     client.admin.command("ping")  # Force connection.
 [2025/04/23 09:55:45.632] pymongo/_csot.py:119: in csot_wrapper
 [2025/04/23 09:55:45.632]     return func(self, *args, **kwargs)
 [2025/04/23 09:55:45.632] pymongo/synchronous/database.py:926: in command
 [2025/04/23 09:55:45.632]     with self._client._conn_for_reads(read_preference, session, operation=command_name) as (
 [2025/04/23 09:55:45.632] pymongo/synchronous/mongo_client.py:1864: in _conn_for_reads
 [2025/04/23 09:55:45.632]     server = self._select_server(read_preference, session, operation)
 [2025/04/23 09:55:45.632] pymongo/synchronous/mongo_client.py:1812: in _select_server
 [2025/04/23 09:55:45.632]     server = topology.select_server(
 [2025/04/23 09:55:45.632] pymongo/synchronous/topology.py:409: in select_server
 [2025/04/23 09:55:45.632]     server = self._select_server(
 [2025/04/23 09:55:45.632] pymongo/synchronous/topology.py:387: in _select_server
 [2025/04/23 09:55:45.632]     servers = self.select_servers(
 [2025/04/23 09:55:45.632] pymongo/synchronous/topology.py:294: in select_servers
 [2025/04/23 09:55:45.632]     server_descriptions = self._select_servers_loop(
 [2025/04/23 09:55:45.632] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
 [2025/04/23 09:55:45.632] self = <Topology CLOSED <TopologyDescription id: 68091b1e077e62356f002d0f, topology_type: Unknown, servers: [<ServerDescription ('localhost', 27017) server_type: Unknown, rtt: None>]>>
 [2025/04/23 09:55:45.632] selector = Primary(), timeout = 5.0, operation = 'ping', operation_id = None
 [2025/04/23 09:55:45.632] address = None
 [2025/04/23 09:55:45.632]     def _select_servers_loop(
 [2025/04/23 09:55:45.632]         self,
 [2025/04/23 09:55:45.632]         selector: Callable[[Selection], Selection],
 [2025/04/23 09:55:45.632]         timeout: float,
 [2025/04/23 09:55:45.632]         operation: str,
 [2025/04/23 09:55:45.632]         operation_id: Optional[int],
 [2025/04/23 09:55:45.632]         address: Optional[_Address],
 [2025/04/23 09:55:45.632]     ) -> list[ServerDescription]:
 [2025/04/23 09:55:45.632]         """select_servers() guts. Hold the lock when calling this."""
 [2025/04/23 09:55:45.632]         now = time.monotonic()
 [2025/04/23 09:55:45.632]         end_time = now + timeout
 [2025/04/23 09:55:45.632]         logged_waiting = False
 [2025/04/23 09:55:45.632]     
 [2025/04/23 09:55:45.632]         if _SERVER_SELECTION_LOGGER.isEnabledFor(logging.DEBUG):
 [2025/04/23 09:55:45.632]             _debug_log(
 [2025/04/23 09:55:45.632]                 _SERVER_SELECTION_LOGGER,
 [2025/04/23 09:55:45.632]                 message=_ServerSelectionStatusMessage.STARTED,
 [2025/04/23 09:55:45.632]                 selector=selector,
 [2025/04/23 09:55:45.632]                 operation=operation,
 [2025/04/23 09:55:45.632]                 operationId=operation_id,
 [2025/04/23 09:55:45.632]                 topologyDescription=self.description,
 [2025/04/23 09:55:45.632]                 clientId=self.description._topology_settings._topology_id,
 [2025/04/23 09:55:45.632]             )
 [2025/04/23 09:55:45.632]     
 [2025/04/23 09:55:45.632]         server_descriptions = self._description.apply_selector(
 [2025/04/23 09:55:45.632]             selector, address, custom_selector=self._settings.server_selector
 [2025/04/23 09:55:45.632]         )
 [2025/04/23 09:55:45.632]     
 [2025/04/23 09:55:45.632]         while not server_descriptions:
 [2025/04/23 09:55:45.632]             # No suitable servers.
 [2025/04/23 09:55:45.632]             if timeout == 0 or now > end_time:
 [2025/04/23 09:55:45.632]                 if _SERVER_SELECTION_LOGGER.isEnabledFor(logging.DEBUG):
 [2025/04/23 09:55:45.632]                     _debug_log(
 [2025/04/23 09:55:45.632]                         _SERVER_SELECTION_LOGGER,
 [2025/04/23 09:55:45.632]                         message=_ServerSelectionStatusMessage.FAILED,
 [2025/04/23 09:55:45.632]                         selector=selector,
 [2025/04/23 09:55:45.632]                         operation=operation,
 [2025/04/23 09:55:45.632]                         operationId=operation_id,
 [2025/04/23 09:55:45.632]                         topologyDescription=self.description,
 [2025/04/23 09:55:45.632]                         clientId=self.description._topology_settings._topology_id,
 [2025/04/23 09:55:45.632]                         failure=self._error_message(selector),
 [2025/04/23 09:55:45.632]                     )
 [2025/04/23 09:55:45.632] >               raise ServerSelectionTimeoutError(
 [2025/04/23 09:55:45.632]                     f"{self._error_message(selector)}, Timeout: {timeout}s, Topology Description: {self.description!r}"
 [2025/04/23 09:55:45.632]                 )
 [2025/04/23 09:55:45.632] E               pymongo.errors.ServerSelectionTimeoutError: The apiVersion parameter is required, please configure your MongoClient's API version, full error: {'ok': 0.0, 'errmsg': "The apiVersion parameter is required, please configure your MongoClient's API version", 'code': 498870, 'codeName': 'Location498870', '$clusterTime': {'clusterTime': Timestamp(1745427229, 51), 'signature': {'hash': b'1x\x0f\xbb=\x07\nzn\x92?\x8a\xe7M\xac\xd1X;\x93\xf7', 'keyId': 7496545616198107162}}, 'operationTime': Timestamp(1745427229, 51)}, Timeout: 5.0s, Topology Description: <TopologyDescription id: 68091b1e077e62356f002d0f, topology_type: Unknown, servers: [<ServerDescription ('localhost', 27017) server_type: Unknown, rtt: None, error=OperationFailure('The apiVersion parameter is required, please configure your MongoClient\'s API version, full error: {\'ok\': 0.0, \'errmsg\': "The apiVersion parameter is required, please configure your MongoClient\'s API version", \'code\': 498870, \'codeName\': \'Location498870\', \'$clusterTime\': {\'clusterTime\': Timestamp(1745427229, 51), \'signature\': {\'hash\': b\'1x\\x0f\\xbb=\\x07\\nzn\\x92?\\x8a\\xe7M\\xac\\xd1X;\\x93\\xf7\', \'keyId\': 7496545616198107162}}, \'operationTime\': Timestamp(1745427229, 51)}')>]>
 [2025/04/23 09:55:45.632] pymongo/synchronous/topology.py:344: ServerSelectionTimeoutError

            Assignee:
            Unassigned Unassigned
            Reporter:
            noah.stapp@mongodb.com Noah Stapp
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              Created:
              Updated:
              Resolved: