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  1. C# Driver
  2. CSHARP-4988

Fix flaky ServerMonitor test

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    • Type: Icon: Task Task
    • Resolution: Fixed
    • Priority: Icon: Unknown Unknown
    • 2.25.0
    • Affects Version/s: None
    • Component/s: None
    • None
    • Fully Compatible
    • Dotnet Drivers
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      1. What would you like to communicate to the user about this feature?
      2. Would you like the user to see examples of the syntax and/or executable code and its output?
      3. Which versions of the driver/connector does this apply to?

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      1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

      RoundTripTimeMonitor_should_be_started_only_once_if_using_streaming_protocol test sometimes failing on the EG with following error message:

       [2024/02/28 15:43:52.269] FAILURE: Expected True, but found False. (failure)
 [2024/02/28 15:43:52.269] Expected True, but found False.
 [2024/02/28 15:43:52.269] Stack Trace:
 [2024/02/28 15:43:52.269]    at FluentAssertions.Execution.XUnit2TestFramework.Throw(String message)
 [2024/02/28 15:43:52.269]    at FluentAssertions.Execution.TestFrameworkProvider.Throw(String message)
 [2024/02/28 15:43:52.269]    at FluentAssertions.Execution.DefaultAssertionStrategy.HandleFailure(String message)
 [2024/02/28 15:43:52.269]    at FluentAssertions.Execution.AssertionScope.FailWith(String message, Object[] args)
 [2024/02/28 15:43:52.269]    at FluentAssertions.Primitives.BooleanAssertions.BeTrue(String because, Object[] becauseArgs)
 [2024/02/28 15:43:52.269]    at MongoDB.Driver.Core.Servers.ServerMonitorTests.RoundTripTimeMonitor_should_be_started_only_once_if_using_streaming_protocol() in C:\data\mci\6acf9a95180e493a7272b00fe4ebcb3a\mongo-csharp-driver\tests\MongoDB.Driver.Core.Tests\Core\Servers\ServerMonitorTests.cs:line 319
 [2024/02/28 15:43:52.269] Standard Output:
 [2024/02/28 15:43:52.269]     Formatted exception: Xunit.Sdk.XunitException: Expected True, but found False.
 [2024/02/28 15:43:52.269]     at FluentAssertions.Execution.XUnit2TestFramework.Throw(String message)
 [2024/02/28 15:43:52.269]     at FluentAssertions.Execution.TestFrameworkProvider.Throw(String message)
 [2024/02/28 15:43:52.269]     at FluentAssertions.Execution.DefaultAssertionStrategy.HandleFailure(String message)
 [2024/02/28 15:43:52.269]     at FluentAssertions.Execution.AssertionScope.FailWith(String message, Object[] args)
 [2024/02/28 15:43:52.269]     at FluentAssertions.Primitives.BooleanAssertions.BeTrue(String because, Object[] becauseArgs)
 [2024/02/28 15:43:52.269]     at MongoDB.Driver.Core.Servers.ServerMonitorTests.RoundTripTimeMonitor_should_be_started_only_once_if_using_streaming_protocol() in C:\data\mci\6acf9a95180e493a7272b00fe4ebcb3a\mongo-csharp-driver\tests\MongoDB.Driver.Core.Tests\Core\Servers\ServerMonitorTests.cs:line 319
 [2024/02/28 15:43:52.269]     11:34:20.3267688_Debug<MongoDB.Internal.IServerMonitor> 571 localhost 27017 Initializing
 [2024/02/28 15:43:52.269]     11:34:20.3269998_Debug<MongoDB.Internal.IServerMonitor> 571 localhost 27017 Initialized
 [2024/02/28 15:43:52.269]     11:34:20.3270442_Debug<MongoDB.SDAM> 571 759 localhost 27017 (null) Server heartbeat started False
 [2024/02/28 15:43:52.269]     11:34:20.3270803_Debug<MongoDB.SDAM> 571 759 localhost 27017 (null) Server heartbeat succeeded False 0 { "ok" : 1, "topologyVersion" : { "processId" : ObjectId("000000000000000000000000"), "counter" : NumberLong(0) }, "maxAwaitTimeMS" : 5000, "maxWireVersion" : 9 }
 [2024/02/28 15:43:52.269]     11:34:20.3271529_Debug<MongoDB.SDAM> 571 759 localhost 27017 (null) Server heartbeat started True
 [2024/02/28 15:43:52.269]     11:34:20.3272101_Debug<MongoDB.SDAM> 571 759 localhost 27017 (null) Server heartbeat succeeded True 0 { "ismaster" : true, "topologyVersion" : { "processId" : ObjectId("5ee3f0963109d4fe5e71dd28"), "counter" : NumberLong(0) }, "ok" : 1 }
 [2024/02/28 15:43:52.269]     11:34:20.3272385_Debug<MongoDB.SDAM> 571 759 localhost 27017 (null) Server heartbeat started True
 [2024/02/28 15:43:52.269]     11:34:20.3272759_Debug<MongoDB.SDAM> 571 759 localhost 27017 (null) Server heartbeat succeeded True 0 { "ismaster" : true, "topologyVersion" : { "processId" : ObjectId("5ee3f0963109d4fe5e71dd28"), "counter" : NumberLong(0) }, "ok" : 1 }
 [2024/02/28 15:43:52.269]     11:34:20.3272969_Debug<MongoDB.SDAM> 571 759 localhost 27017 (null) Server heartbeat started True
 [2024/02/28 15:43:52.269]     11:34:20.327332_Debug<MongoDB.SDAM> 571 759 localhost 27017 (null) Server heartbeat succeeded True 0 { "ismaster" : true, "topologyVersion" : { "processId" : ObjectId("5ee3f0963109d4fe5e71dd28"), "counter" : NumberLong(0) }, "ok" : 1 }
 [2024/02/28 15:43:52.269]     11:34:20.327354_Debug<MongoDB.SDAM> 571 759 localhost 27017 (null) Server heartbeat started True
 [2024/02/28 15:43:52.269]     11:34:20.3277634_Debug<MongoDB.SDAM> 571 759 localhost 27017 (null) Server heartbeat failed True 0 System.InvalidOperationException: Queue empty.

            Assignee:
            oleksandr.poliakov@mongodb.com Oleksandr Poliakov
            Reporter:
            oleksandr.poliakov@mongodb.com Oleksandr Poliakov
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              Created:
              Updated:
              Resolved: