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    Type:
Bug
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    Resolution: Duplicate
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    Priority:
Minor - P4
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    Affects Version/s: 4.0.12
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    Component/s: Sharding
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Mongos instances sometimes encounter the following error when shutting down (this happened at least 3 times since upgrading to 4.0.12, 3.6.x didn't have this problem):
Invariant failure _sessions.empty() src/mongo/transport/baton_asio_linux.h 115
- duplicates
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SERVER-43241 Fix Executor failures in ARS dtor during shutdown
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 - Closed
 
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