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Type:
Build Failure
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Resolution: Unresolved
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Priority:
Minor - P4
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Affects Version/s: None
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Component/s: None
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Python Drivers
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Name of Failure:
test_direct_client_maintains_pool_to_arbiter
Link to task:
Context of when and why the failure occurred:
Consistently flaky test.
Stack trace:
[2025/10/24 07:11:29.821] FAILURE: AssertionError: 0 != 1 () [2025/10/24 07:11:29.821] self = <test.test_client.TestClientPool testMethod=test_direct_client_maintains_pool_to_arbiter> [2025/10/24 07:11:29.821] @client_context.require_connection [2025/10/24 07:11:29.821] def test_direct_client_maintains_pool_to_arbiter(self): [2025/10/24 07:11:29.821] listener = CMAPListener() [2025/10/24 07:11:29.821] c = MockClient.get_mock_client( [2025/10/24 07:11:29.821] standalones=[], [2025/10/24 07:11:29.821] members=["a:1", "b:2", "c:3"], [2025/10/24 07:11:29.821] mongoses=[], [2025/10/24 07:11:29.821] arbiters=["c:3"], # c:3 is an arbiter. [2025/10/24 07:11:29.821] host="c:3", [2025/10/24 07:11:29.821] directConnection=True, [2025/10/24 07:11:29.821] minPoolSize=1, # minPoolSize [2025/10/24 07:11:29.821] event_listeners=[listener], [2025/10/24 07:11:29.821] ) [2025/10/24 07:11:29.821] self.addCleanup(c.close) [2025/10/24 07:11:29.821] [2025/10/24 07:11:29.821] wait_until(lambda: len(c.nodes) == 1, "connect") [2025/10/24 07:11:29.821] self.assertEqual(c.address, ("c", 3)) [2025/10/24 07:11:29.821] # Assert that we create 1 pooled connection. [2025/10/24 07:11:29.821] listener.wait_for_event(monitoring.ConnectionReadyEvent, 1) [2025/10/24 07:11:29.821] self.assertEqual(listener.event_count(monitoring.ConnectionCreatedEvent), 1) [2025/10/24 07:11:29.821] arbiter = c._topology.get_server_by_address(("c", 3)) [2025/10/24 07:11:29.821] > self.assertEqual(len(arbiter.pool.conns), 1) [2025/10/24 07:11:29.821] E AssertionError: 0 != 1 [2025/10/24 07:11:29.821] test/test_client.py:2649: AssertionError