Unobserved exception as of version 3.2

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    • Type: Bug
    • Resolution: Unresolved
    • Priority: Minor - P4
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    • Affects Version/s: 3.2.0, 3.2.1, 3.3.0, 3.4.0, 3.5.0
    • Component/s: None
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    • Dotnet Drivers
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      Summary

      Our application has started logging an unobserved exception:

      System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. (Operation canceled)
 ---> System.Net.Sockets.SocketException (125): Operation canceled
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
   at System.Threading.Tasks.ValueTask.ValueTaskSourceAsTask.<>c.<.cctor>b__4_0(Object state)
   --- End of inner exception stack trace ---

      This started happening when we updated our driver to version 3.5. We downgraded until the error disappeared, which was in version 3.1. 

      Driver version: 3.2 - 3.5

      MongoDB environment: Version 8.0.13, replica set 4 nodes

      How to Reproduce

      Start up a application using a MongoDB driver version higher then version 3.1. 

            Assignee:
            Oleksandr Poliakov
            Reporter:
            Mart Bent
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              Created:
              Updated: