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  1. C# Driver
  2. CSHARP-3372

Investigate `Test cluster has no writable server.` exception on 4.4 server

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Details

    • Bug
    • Status: Backlog
    • Major - P3
    • Resolution: Unresolved
    • None
    • None
    • Testing
    • None

    Description

      See this EG: https://evergreen.mongodb.com/task_log_raw/dot_net_driver_unsecure_tests__version~4.4_os~windows_64_topology~replicaset_auth~noauth_ssl~nossl_test_net452_patch_2de35a4c9e6f5bcb76ec1bc63a242c4333c4d276_601ad68c3e8e864c4451a602_21_02_03_16_59_56/0?type=T#L964

      It could be a server issue since I see this in the server log:

      {
          "t": {
              "$date": "2021-02-03T17:18:39.708+00:00"
          },
          "s": "I",
          "c": "NETWORK",
          "id": 22989,
          "ctx": "conn84",
          "msg": "Error sending response to client. Ending connection from remote",
          "attr": {
              "error": {
                  "code": 9001,
                  "codeName": "SocketException",
                  "errmsg": "An established connection was aborted by the software in your host machine."
              },
              "remote": "[::1]:65502",
              "connectionId": 84
          }
      }
      

      but it's unclear why we don't see this in the heartbeat exception.

       

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            Unassigned Unassigned
            dmitry.lukyanov@mongodb.com Dmitry Lukyanov
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              Created:
              Updated: