Modular Java app can't create tensor object

Aberta
#509 3 comentários 0 reações 0 responsáveis Ver no GitHub

Ninguém assumiu esta issue ainda.

Avaliação

Dificuldade
4/5
Tempo estimado
3-5 dias
Facilidade para iniciantes
28/100
Tipo de issue
Bug
Clareza
Razoavelmente clara
Status de atividade
Estagnada
Stack de tecnologia
java
Domínio
machine-learning

Direção de pesquisa

Comece com src/main/java/module-info.java e build.gradle e, em seguida, inspecione as declarações de módulo do TensorFlow Java envolvidas na IllegalAccessException. Reproduza a falha por meio de com.varankin.ocrc.Inferencer.image e das chamadas de criação de tensores TInt32/TFloat32. Considera-se concluído quando a aplicação Gradle modular puder criar tensores sem o aviso de acesso relatado.

Escrita pelo modelo de indexação a partir do texto da issue.

Descrição

System information

  • Have I written custom code (as opposed to using a stock example script provided in TensorFlow): YES
  • OS Platform and Distribution (e.g., Linux Ubuntu 16.04 x86_64): Windows 10 Pro
  • TensorFlow installed from (source or binary): Gradle dependence
  • TensorFlow version (use command below): 2.10.1
  • Java version (i.e., the output of java -version): 17.0.2
  • Java command line flags (e.g., GC parameters):
  • Python version (if transferring a model trained in Python):
  • Bazel version (if compiling from source):
  • GCC/Compiler version (if compiling from source):
  • CUDA/cuDNN version: 12.3
  • GPU model and memory:

Describe the current behavior
Java Gradle project, as built from IntelliJ IDEA pattern, repeatedly reports a fatal warning on attempt to create a tensor object. See the code and log below. The error raises exception that is effectively intercepted by JavaFX runtime.
The project was found having Java module support. After this support has been removed from the project, code runs just fine. However, modularity is highly desired for the application.

Describe the expected behavior

After module access permissions (exports, open's) get fixed in tensorflow-core-platform, etc., all Java objects should be created just fine, as they are in non-modular edition of the project.

Code to reproduce the issue

excerpt from file src/main/java/module-info.java:

module com.varankin.ocrc.jfx
{
    requires org.tensorflow.ndarray;
    requires org.tensorflow;
}

excerpt from file build.gradle (remove shown lines to let code run with no error):

plugins 
{
    id 'org.javamodularity.moduleplugin' version '1.8.12'
}
dependencies 
{
    implementation 'org.tensorflow:tensorflow-core-platform:0.5.0'
}

excerpt from file src/main/java/com/varankin/ocrc:

package com.varankin.ocrc;
import org.tensorflow.*;
import org.tensorflow.ndarray.*;
import org.tensorflow.types.TFloat32;
import org.tensorflow.types.TInt32;

public class Inferencer
{
    public void image( float[][] data )
    {
            FloatNdArray data_nda = NdArrays.ofFloats( Shape.of( data.length, data[0].length ) );
            data_nda.elements( /* 0, */ 1 ).forEachIndexed( (ix,nda) -> nda.setFloat( data[(int)ix[0]][(int)ix[1]] ) );
            // OK before this line; any next line fails; 
            TInt32 tdata_is = TInt32.scalarOf( 24 );
            TInt32 tdata_i = TInt32.tensorOf( Shape.of( 24, 24 ) );
            TFloat32 tdata_0 = TFloat32.tensorOf( Shape.of( 24, 24 ) );
            tdata_0.set( data_nda );
            TFloat32 tdata = TFloat32.tensorOf( data_nda );
    }
}

Other info / logs

Warning: Could not create an instance of class org.tensorflow.internal.c_api.presets.tensorflow: java.lang.IllegalAccessException: class org.bytedeco.javacpp.ClassProperties (in module org.bytedeco.javacpp) cannot access class org.tensorflow.internal.c_api.presets.tensorflow (in module org.tensorflow) because module org.tensorflow does not export org.tensorflow.internal.c_api.presets to module org.bytedeco.javacpp

Call stack has been wiped off by JavaFX, below is manual reproduction

  • com.varankin.ocrc.Inferencer.image
  • org.tensorflow.types.TInt32.scalarOf:44 -- same for TFloat32 methods
  • org.tensorflow.Tensor.of:128
  • org.tensorflow.RawTensor.allocate:109

Please do not hesitate to ask for runnable example if needed. Current project cannot be presented as-is because of IP protection requirements, and because it's bulky.

Linguagem predominante
Java
Estrelas
928
Forks
227
Métricas de merge de PRs
Nenhum PR com merge em 30d

Guia de contribuição

Abrir o guia de contribuição

Primeiros passos

  1. Leia a issue inteira e depois o guia de contribuição do projeto.
  2. Comente na issue dizendo que vai assumir — evita que duas pessoas façam o mesmo trabalho.
  3. Faça um fork do repositório e trabalhe em uma branch.
  4. Abra um pull request que referencie o número da issue.

Mais de tensorflow/java

Todas as issues de tensorflow/java

Issues semelhantes

Mais issues de Java

Receba novas issues na sua caixa de entrada

Um resumo curto de issues do GitHub para quem está começando.