DL4J fatal exception

gistfile1.txt

	public static void main(String[] args) throws IOException {
		ZooModel zooModel = new VGG16();		
		ComputationGraph vgg16 = (ComputationGraph) zooModel.initPretrained(PretrainedType.IMAGENET);
	
		NativeImageLoader loader = new NativeImageLoader(224, 224, 3);
		DataNormalization scaler = new VGG16ImagePreProcessor();
		
		String contentFile = "data/cat.jpg";
		INDArray content = loader.asMatrix(new File(contentFile));
		scaler.transform(content);
		
    // Input presentation: necessary?
		INDArray[] result = vgg16.output(content);
		
		Layer block1_conv2 = vgg16.getLayer("block1_conv2");
		INDArray block1_conv2_features = block1_conv2.activate();		
	}