Description
Issue Description
Please describe our issue, along with:
- expected behavior
- encountered behavior
`public static void main(String[] args) throws Exception {
int BATCHSIZE = 128;
Cifar10DataSetIterator Train = new Cifar10DataSetIterator(BATCHSIZE, DataSetType.TRAIN);
Cifar10DataSetIterator Test = new Cifar10DataSetIterator(BATCHSIZE, DataSetType.TEST);
DataNormalization normalizer = new NormalizerMinMaxScaler(0,1);
normalizer.fit(Train);
Train.setPreProcessor(normalizer);
Test.setPreProcessor(normalizer);
INDArray Train_X = Train.next().getFeatures();
INDArray Train_Y = Train.next().getLabels();
INDArray Test_X = Test.next().getFeatures();
INDArray Test_Y = Test.next().getLabels();
System.out.println(Arrays.toString(Train_X.shape()));
System.out.println(Arrays.toString(Train_Y.shape()));
System.out.println(Arrays.toString(Test_X.shape()));
System.out.println(Arrays.toString(Test_Y.shape()));
}
`
Exception in thread "main" java.lang.RuntimeException: Could not download CIFAR-10 at org.deeplearning4j.datasets.fetchers.Cifar10Fetcher.getRecordReader(Cifar10Fetcher.java:66) at org.deeplearning4j.datasets.iterator.impl.Cifar10DataSetIterator.<init>(Cifar10DataSetIterator.java:88) at org.deeplearning4j.datasets.iterator.impl.Cifar10DataSetIterator.<init>(Cifar10DataSetIterator.java:63) at Main.main(Main.java:100) Caused by: java.io.IOException: Server returned HTTP response code: 403 for URL: https://dl4jdata.blob.core.windows.net/datasets/cifar10_dl4j.v1.zip at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:2014) at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1615) at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:223) at java.base/java.net.URL.openStream(URL.java:1325) at org.apache.commons.io.FileUtils.copyURLToFile(FileUtils.java:1025) at org.deeplearning4j.datasets.fetchers.CacheableExtractableDataSetFetcher.downloadAndExtract(CacheableExtractableDataSetFetcher.java:65) at org.deeplearning4j.datasets.fetchers.CacheableExtractableDataSetFetcher.downloadAndExtract(CacheableExtractableDataSetFetcher.java:41) at org.deeplearning4j.datasets.fetchers.Cifar10Fetcher.getRecordReader(Cifar10Fetcher.java:63) ... 3 more
Version Information
Please indicate relevant versions, including, if relevant:
Deeplearning4j version : 1.0.0-M2.1
Platform information : Ubuntu 24.04.1 LTS
Additional Information
Where applicable, please also provide:
- Full log or exception stack trace (ideally in a Gist: gist.github.com)
- pom.xml file or similar (also in a Gist)
Contributing
If you'd like to help us fix the issue by contributing some code, but would
like guidance or help in doing so, please mention it!