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    Type:
Task
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    Resolution: Fixed
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    Priority:
Major - P3
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    Affects Version/s: None
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    Component/s: Monitoring
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The _BulkWriteContext class published a CommandStartedEvent before attempted to send a command, however it only publishes a corresponding CommandFailedEvent when the command fails with a server error. If the command fails with something else besides an OperationFailure, the failure is not published.
See: https://github.com/mongodb/mongo-python-driver/blob/3.7.1/pymongo/message.py#L919-L928