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Azure-Samples / cognitive-services-onnx-customvision-sample

Real time image classification Windows-ML using a ONNX model exported from Custom Vision Service.
MIT License
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System.NullReferenceException running the sample #6

Closed andrecarlucci closed 4 years ago

andrecarlucci commented 5 years ago

This issue is for a: (mark with an x)

- [x] bug report
- [ ] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

Download the sample, open on Visual Studio, Debug, Click Open Image button.

Any log messages given by the failure

Exception thrown: 'System.NullReferenceException' in SimplestTestApp.exe

Expected/desired behavior

No Exception

OS and Version?

Windows 10 Pro Build 18362.356

Versions

Windows 10

Mention any other details that might be useful

MainPage.xaml.cs, line 71 returns null. learningModel = await LearningModelPreview.LoadModelFromStorageFileAsync(file);

Visual Studio Info

Microsoft Visual Studio Enterprise 2019 Preview Version 16.3.0 Preview 2.0 VisualStudio.16.Preview/16.3.0-pre.2.0+29209.152 Microsoft .NET Framework Version 4.8.03752

Installed Version: Enterprise

Visual C++ 2019 00435-60000-00000-AA927 Microsoft Visual C++ 2019

ADL Tools Service Provider 1.0 This package contains services used by Data Lake tools

Application Insights Tools for Visual Studio Package 9.1.00611.1 Application Insights Tools for Visual Studio

ASP.NET and Web Tools 2019 16.3.205.56800 ASP.NET and Web Tools 2019

ASP.NET Core Blazor Language Services 16.0.19227.01

ASP.NET Web Frameworks and Tools 2019 16.3.205.56800 For additional information, visit https://www.asp.net/

Azure App Service Tools v3.0.0 16.3.205.56800 Azure App Service Tools v3.0.0

Azure Data Lake Node 1.0 This package contains the Data Lake integration nodes for Server Explorer.

Azure Data Lake Tools for Visual Studio 2.3.9000.0 Microsoft Azure Data Lake Tools for Visual Studio

Azure Functions and Web Jobs Tools 16.3.205.56800 Azure Functions and Web Jobs Tools

Azure Stream Analytics Tools for Visual Studio 2.3.9000.0 Microsoft Azure Stream Analytics Tools for Visual Studio

C# Tools 3.3.0-beta3-19407-03+d961190a1b4b2a81ac178b567840dfeff048b037 C# components used in the IDE. Depending on your project type and settings, a different version of the compiler may be used.

Common Azure Tools 1.10 Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.

Extensibility Message Bus 1.2.0 (d16-2@8b56e20) Provides common messaging-based MEF services for loosely coupled Visual Studio extension components communication and integration.

Fabric.DiagnosticEvents 1.0 Fabric Diagnostic Events

GitHub.VisualStudio 2.9.1.7781 A Visual Studio Extension that brings the GitHub Flow into Visual Studio.

IntelliCode Extension 1.0 IntelliCode Visual Studio Extension Detailed Info

Microsoft Azure HDInsight Azure Node 2.3.9000.0 HDInsight Node under Azure Node

Microsoft Azure Hive Query Language Service 2.3.9000.0 Language service for Hive query

Microsoft Azure Service Fabric Tools for Visual Studio 2.5 Microsoft Azure Service Fabric Tools for Visual Studio

Microsoft Azure Stream Analytics Language Service 2.3.9000.0 Language service for Azure Stream Analytics

Microsoft Azure Stream Analytics Node 1.0 Azure Stream Analytics Node under Azure Node

Microsoft Azure Tools 2.9 Microsoft Azure Tools for Microsoft Visual Studio 0x10 - v2.9.20726.1

Microsoft Continuous Delivery Tools for Visual Studio 0.4 Simplifying the configuration of Azure DevOps pipelines from within the Visual Studio IDE.

Microsoft JVM Debugger 1.0 Provides support for connecting the Visual Studio debugger to JDWP compatible Java Virtual Machines

Microsoft Library Manager 1.0 Install client-side libraries easily to any web project

Microsoft MI-Based Debugger 1.0 Provides support for connecting Visual Studio to MI compatible debuggers

Microsoft Visual C++ Wizards 1.0 Microsoft Visual C++ Wizards

Microsoft Visual Studio Tools for Containers 1.1 Develop, run, validate your ASP.NET Core applications in the target environment. F5 your application directly into a container with debugging, or CTRL + F5 to edit & refresh your app without having to rebuild the container.

Microsoft Visual Studio VC Package 1.0 Microsoft Visual Studio VC Package

Mono Debugging for Visual Studio 16.3.7 (9d260c5) Support for debugging Mono processes with Visual Studio.

NuGet Package Manager 5.3.0 NuGet Package Manager in Visual Studio. For more information about NuGet, visit https://docs.nuget.org/

ProjectServicesPackage Extension 1.0 ProjectServicesPackage Visual Studio Extension Detailed Info

Snapshot Debugging Extension 1.0 Snapshot Debugging Visual Studio Extension Detailed Info

SQL Server Data Tools 16.0.61907.31040 Microsoft SQL Server Data Tools

Start Without Debugging 1.2 Adds "Start Without Debugging" ("Run") command to Solution Explorer context menu

ToolWindowHostedEditor 1.0 Hosting json editor into a tool window

TypeScript Tools 16.0.10802.2001 TypeScript Tools for Microsoft Visual Studio

Visual Basic Tools 3.3.0-beta3-19407-03+d961190a1b4b2a81ac178b567840dfeff048b037 Visual Basic components used in the IDE. Depending on your project type and settings, a different version of the compiler may be used.

Visual F# Tools 10.4 for F# 4.6 16.3.0-beta.19381.3+8e8a754ab056dc16f6dda49110fe8729d1bbabc9 Microsoft Visual F# Tools 10.4 for F# 4.6

Visual Studio Code Debug Adapter Host Package 1.0 Interop layer for hosting Visual Studio Code debug adapters in Visual Studio

Visual Studio Tools for Containers 1.0 Visual Studio Tools for Containers

VisualStudio.Mac 1.0 Mac Extension for Visual Studio

Xamarin 16.3.0.179 (d16-3@8669bd4) Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin Designer 16.3.0.122 (remotes/origin/d16-3@a187bbc98) Visual Studio extension to enable Xamarin Designer tools in Visual Studio.

Xamarin Templates 16.3.536 (069a02b) Templates for building iOS, Android, and Windows apps with Xamarin and Xamarin.Forms.

Xamarin.Android SDK 10.0.0.4 (d16-3/a1f7825) Xamarin.Android Reference Assemblies and MSBuild support. Mono: mono/mono/2019-06@17ac7dcfc74 Java.Interop: xamarin/java.interop/d16-3@5836f58 LibZipSharp: grendello/LibZipSharp/d16-3@71f4a94 LibZip: nih-at/libzip/rel-1-5-1@b95cf3f ProGuard: xamarin/proguard/master@905836d SQLite: xamarin/sqlite/3.27.1@8212a2d Xamarin.Android Tools: xamarin/xamarin-android-tools/d16-3@cb41333

Xamarin.iOS and Xamarin.Mac SDK 12.16.1.9 (a12e76f) Xamarin.iOS and Xamarin.Mac Reference Assemblies and MSBuild support.

shonohs commented 5 years ago

Thanks for a bug report. We'll look into the issue.

shonohs commented 5 years ago

I've made a PR: #7