fails to connect to Mongo Atlas DB

2025-03-08 09:49:16,000 | INFO: index params: {'type': 'vectorSearch', 'fields': [{'type': 'vector', 'similarity': 'euclidean', 'numDimensions': None, 'path': 'vector', 'quantization': 'none'}]} (mongodb.py:40) (43879) 2025-03-08 09:49:46,639 | WARNING: [1/1] case {'label': <CaseLabel.Performance: 2>, 'dataset': {'data': {'name': 'My Dataset', 'size': 1000000, 'dim': 1024, 'metric_type': <MetricType.L2: 'L2'>}}, 'db': 'MongoDB'} failed to run, reason=cluster1-shard-00-02.v9uas.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1000) (configured timeouts: socketTimeoutMS: 20000.0ms, connectTimeoutMS: 20000.0ms),cluster1-shard-00-00.v9uas.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1000) (configured timeouts: socketTimeoutMS: 20000.0ms, connectTimeoutMS: 20000.0ms),cluster1-shard-00-01.v9uas.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1000) (configured timeouts: socketTimeoutMS: 20000.0ms, connectTimeoutMS: 20000.0ms), Timeout: 30s, Topology Description: <TopologyDescription id: 67cbf67c7b7cc7a068306e26, topology_type: ReplicaSetNoPrimary, servers: [<ServerDescription ('cluster1-shard-00-00.v9uas.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('cluster1-shard-00-00.v9uas.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1000) (configured timeouts: socketTimeoutMS: 20000.0ms, connectTimeoutMS: 20000.0ms)')>, <ServerDescription ('cluster1-shard-00-01.v9uas.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('cluster1-shard-00-01.v9uas.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1000) (configured timeouts: socketTimeoutMS: 20000.0ms, connectTimeoutMS: 20000.0ms)')>, <ServerDescription ('cluster1-shard-00-02.v9uas.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('cluster1-shard-00-02.v9uas.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1000) (configured timeouts: socketTimeoutMS: 20000.0ms, connectTimeoutMS: 20000.0ms)')>]> (interface.py:194) (43879)

Start with mongodb.py:40 and interface.py:194, then reproduce the Mongo Atlas benchmark case shown in the log. Investigate the SSL certificate verification failure and identify a confirmed connection fix; done means the MongoDB case connects and runs without the reported certificate error.