The asynchronous operation has not completed

[dxq0126]

Unhandled Exception: System.InvalidOperationException: The asynchronous operation has not completed.
at System.Threading.Channels.AsyncOperation.ThrowIncompleteOperationException()
at System.Threading.Channels.AsyncOperation1.GetResult(Int16 token) at Microsoft.ML.Transforms.RowShufflingTransformer.Cursor.MoveNextCore() at Microsoft.ML.Data.RootCursorBase.MoveNext() at Microsoft.ML.Trainers.TrainingCursorBase.MoveNext() at Microsoft.ML.Trainers.SdcaTrainerBase3.TrainCore(IChannel ch, RoleMappedData data, LinearModelParameters predictor, Int32 weightSetCount)
at Microsoft.ML.Trainers.StochasticTrainerBase2.TrainModelCore(TrainContext context) at Microsoft.ML.Trainers.TrainerEstimatorBase2.TrainTransformer(IDataView trainSet, IDataView validationSet, IPredictor initPredictor)
at Microsoft.ML.Data.EstimatorChain1.Fit(IDataView input) at GitHubIssueClassification.Program.BuildAndTrainModel(IDataView trainingDataView, IEstimator1 pipeline) in E:\MyProject\GitHubIssueClassification\GitHubIssueClassification\Program.cs:line 103
at GitHubIssueClassification.Program.Main(String[] args) in E:\MyProject\GitHubIssueClassification\GitHubIssueClassification\Program.cs:line 51

[MilanHajicek]

The same has happened to me.
=============== Loading Dataset ===============
=============== Finished Loading Dataset ===============
=============== Processing Data ===============
=============== Finished Processing Data ===============
=============== Training the model ===============
Unhandled exception. System.InvalidOperationException: The asynchronous operation has not completed.
at System.Threading.Channels.AsyncOperation.ThrowIncompleteOperationException()
at System.Threading.Channels.AsyncOperation1.GetResult(Int16 token) at Microsoft.ML.Transforms.RowShufflingTransformer.Cursor.MoveNextCore() at Microsoft.ML.Data.RootCursorBase.MoveNext() at Microsoft.ML.Trainers.TrainingCursorBase.MoveNext() at Microsoft.ML.Trainers.SdcaTrainerBase3.TrainCore(IChannel ch, RoleMappedData data, LinearModelParameters predictor, Int32 weightSetCount)
at Microsoft.ML.Trainers.StochasticTrainerBase2.TrainModelCore(TrainContext context) at Microsoft.ML.Trainers.TrainerEstimatorBase2.TrainTransformer(IDataView trainSet, IDataView validationSet, IPredictor initPredictor)
at Microsoft.ML.Trainers.TrainerEstimatorBase2.Fit(IDataView input) at Microsoft.ML.Data.EstimatorChain1.Fit(IDataView input)
at GitHubIssueClassification.Program.BuildAndTrainModel(IDataView trainingDataView, IEstimator`1 pipeline) in C:\Users\milan\Source\Repos\GitHubIssueClassification\Program.cs:line 102
at GitHubIssueClassification.Program.Main(String[] args) in C:\Users\milan\Source\Repos\GitHubIssueClassification\Program.cs:line 50

[54mu3l]

Same here.

System.InvalidOperationException
HResult=0x80131509
Message=The asynchronous operation has not completed.
Source=System.Threading.Channels
StackTrace:
at System.Threading.Channels.AsyncOperation.ThrowIncompleteOperationException()
at System.Threading.Channels.AsyncOperation 1.GetResult(Int16 token)
at Microsoft.ML.Transforms.RowShufflingTransformer.Cursor.MoveNextCore()
at Microsoft.ML.Data.RootCursorBase.MoveNext()
at Microsoft.ML.Trainers.TrainingCursorBase.MoveNext()
at Microsoft.ML.Trainers.SdcaTrainerBase 3.TrainCore(IChannel ch, RoleMappedData data, LinearModelParameters predictor, Int32 weightSetCount)
at Microsoft.ML.Trainers.StochasticTrainerBase 2.TrainModelCore(TrainContext context)
at Microsoft.ML.Trainers.TrainerEstimatorBase 2.TrainTransformer(IDataView trainSet, IDataView validationSet, IPredictor initPredictor)
at Microsoft.ML.Trainers.TrainerEstimatorBase 2.Fit(IDataView input)
at Microsoft.ML.Data.EstimatorChain 1.Fit(IDataView input)
at xxx.SmartSuggestions.BuildAndTrainModel(IDataView trainingDataView, IEstimator`1 pipeline) in XXXXX.cs:line 116
at xx.Init() in XXXXX.cs:line 64
at xx.ConfigureServices(IServiceCollection services) in XXXXX.cs:line 98
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.g__Startup|0(IServiceCollection serviceCollection)
at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder1.<>c__DisplayClass15_0.g__RunPipeline|0(IServiceCollection services)
at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.b__0(IServiceCollection services)
at Microsoft.AspNetCore.Hosting.StartupLoader.ConfigureServicesDelegateBuilder1.<>c__DisplayClass14_0.g__ConfigureServicesWithContainerConfiguration|0(IServiceCollection services)
at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)

[IEvangelist]

Hi @dxq0126, @MilanHajicek, and @54mu3l - could you please tell me what project you're seeing this issue in?

[MilanHajicek]

Hi David, It goes about the GitHubIssueClassification Have a look at the error details when running in the VS2019. System.InvalidOperationException HResult=0x80131509 Zpráva=The asynchronous operation has not completed. Zdroj=System.Threading.Channels StackTrace: at System.Threading.Channels.AsyncOperation.ThrowIncompleteOperationException() at System.Threading.Channels.AsyncOperation`1.GetResult(Int16 token) at Microsoft.ML.Transforms.RowShufflingTransformer.Cursor.MoveNextCore() at Microsoft.ML.Data.RootCursorBase.MoveNext() at Microsoft.ML.Trainers.TrainingCursorBase.MoveNext() at Microsoft.ML.Trainers.SdcaTrainerBase`3.TrainCore(IChannel ch, RoleMappedData data, LinearModelParameters predictor, Int32 weightSetCount) at Microsoft.ML.Trainers.StochasticTrainerBase`2.TrainModelCore(TrainContext context) at Microsoft.ML.Trainers.TrainerEstimatorBase`2.TrainTransformer(IDataView trainSet, IDataView validationSet, IPredictor initPredictor) at Microsoft.ML.Trainers.TrainerEstimatorBase`2.Fit(IDataView input) at Microsoft.ML.Data.EstimatorChain`1.Fit(IDataView input) at GitHubIssueClassification.Program.BuildAndTrainModel(IDataView trainingDataView, IEstimator`1 pipeline) in C:\Users\milan\Source\Repos\GitHubIssueClassification\Program.cs:line 102 at GitHubIssueClassification.Program.Main(String[] args) in C:\Users\milan\Source\Repos\GitHubIssueClassification\Program.cs:line 50 Thanks you for your feedback, Milan From: David Pine <notifications@github.com> Sent: Monday, August 24, 2020 4:13 PM To: dotnet/samples <samples@noreply.github.com> Cc: MilanHajicek <milan@hajicek.cz>; Mention <mention@noreply.github.com> Subject: Re: [dotnet/samples] The asynchronous operation has not completed (#3763) Hi @dxq0126 <https://github.com/dxq0126> , @MilanHajicek <https://github.com/MilanHajicek> , and @54mu3l <https://github.com/54mu3l> - could you please tell me what project you're seeing this issue in? — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#3763 (comment)> , or unsubscribe <https://github.com/notifications/unsubscribe-auth/ANXLHPXFFWCFNH62QPWQC43SCJYQJANCNFSM4PPITYYA> . <https://github.com/notifications/beacon/ANXLHPS6VYRRQOH4SBGLKO3SCJYQJA5CNFSM4PPITYYKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOFB5QTPA.gif>

[dxq0126]

Hi @dxq0126, @MilanHajicek, and @54mu3l - could you please tell me what project you're seeing this issue in?

the project is at
machine-learning/tutorials/GitHubIssueClassification/GitHubIssueClassification

and the environment is
.net core 2.1
Microsoft.ML(1.5.1)

[54mu3l]

Hi @dxq0126, @MilanHajicek, and @54mu3l - could you please tell me what project you're seeing this issue in?

same project as mentioned above

with .net core 3.1
Microsoft.ML (1.5.1)
VS2019

[cesarlinux]

Hello, the same error here
using:
.net core 3.1
Microsoft.ML 1.5.1
VS2019 16.6.5

[cesarlinux]

The same code is working with the
Microsoft.ML 1.5.2-29219-1 from the daily NuGet feed