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Type:
Bug
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Resolution: Fixed
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Priority:
Minor - P4
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None
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Affects Version/s: 3.3.0-rc0
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Component/s: Continuous Integration
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None
The "unacknowledged write concern returns disengaged optional" fails on zSeries with MongoDB version v3.7.2-206-gce91d96. That is an outdated 3.7 series server version, but it hasn't been updated in months due to BUILD-5496. Whatever is causing the test to fail there is likely due to a bug in that development version of the server. Disable zSeries testing for the C++ Driver now and wait for the "latest" server version to be upgraded there.