Server selection was introduced into mongoc_client_session_start_transaction for CDRIVER-3067 and CDRIVER-3161; however, neither patch considered the case where server selection might fail. If so, it looks like we'd attempt to access the property of a null pointer.
I propose adding a check and returning an error if a primary (or mongos node) could not be selected.
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CDRIVER-3067 Ensure 4.0 drivers return an error when attempting sharded transactions on 4.2
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- Closed
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- Closed
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