C
C#•3mo ago
Jill The Something

EntryPointNotFoundException with ML.NET's OnnxRuntime

Im trying to use ML.NET to load an onnx model I made for predicting motion sickness in a unity game and I get this mess 
EntryPointNotFoundException: OrtGetApiBase assembly:<unknown assembly> type:<unknown type> member:(null)
Microsoft.ML.OnnxRuntime.NativeMethods..cctor () (at <db8a5557c9b54ae7905ea2adba430b5c>:0)
Rethrow as TypeInitializationException: The type initializer for 'Microsoft.ML.OnnxRuntime.NativeMethods' threw an exception.
...
Microsoft.ML.OnnxCatalog.ApplyOnnxModel (Microsoft.ML.TransformsCatalog catalog, System.String[] outputColumnNames, System.String[] inputColumnNames, System.String modelFile, System.Nullable`1[T] gpuDeviceId, System.Boolean fallbackToCpu) (at <23755ae4f3b243f8bebd1b959e7493a8>:0)
SicknessPredictor.Start () (at Assets/SicknessPredictor.cs:85)
EntryPointNotFoundException: OrtGetApiBase assembly:<unknown assembly> type:<unknown type> member:(null)
Microsoft.ML.OnnxRuntime.NativeMethods..cctor () (at <db8a5557c9b54ae7905ea2adba430b5c>:0)
Rethrow as TypeInitializationException: The type initializer for 'Microsoft.ML.OnnxRuntime.NativeMethods' threw an exception.
...
Microsoft.ML.OnnxCatalog.ApplyOnnxModel (Microsoft.ML.TransformsCatalog catalog, System.String[] outputColumnNames, System.String[] inputColumnNames, System.String modelFile, System.Nullable`1[T] gpuDeviceId, System.Boolean fallbackToCpu) (at <23755ae4f3b243f8bebd1b959e7493a8>:0)
SicknessPredictor.Start () (at Assets/SicknessPredictor.cs:85)
according to this I need to load a dll in the "startup project"(in this case Assembly-CSharp) which already has Microsoft.ML.OnnxRuntime.dll in it. would someone know what I should do? Or just be wiling to debug w/ me?
Stack Overflow
EntryPointNotFoundException: Unable to find an entry point named 'O...
I am trying to run an sklearn onnx model in C# 4.8 framework on Windows 10 Pro with VS 2019, I have used the following code using examples in: https://towardsdatascience.com/deploy-sci-kit-learn-mo...
1 Reply
Jill The Something
Jill The Something•3mo ago
Checking the object browser I can see OrtApiBase as part of Microsoft.ML.OnnxRuntime.dll but I guess OrtGetApiBase doesn't exist. OrtApiBase has a GetApi method though... do I just, have the wrong version of the Onnx Runtime? I went and tired some different versions of the runtime, and nothing they still refrence some OrtGetApiBase that doesn't exist isntead of the OrtApiBase.GetApi that does
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