Java Deep Learning Cookbook

How to do it...

1. Enable logging levels to yield more information on errors:

Logger log = LoggerFactory.getLogger("YourClassFile.class"); log.setLevel(Level.DEBUG);

2. Verify the JDK/Maven installation and configuration.
3. Check whether all the required dependencies are added in the pom.xml file.
4. Remove the contents of the Maven local repository and rebuild Maven to mitigate NoClassDefFoundError in DL4J. For Linux, this is as follows:

rm -rf ~/.m2/repository/org/deeplearning4j rm -rf ~/.m2/repository/org/datavec mvn clean install

5. Mitigate ClassNotFoundException in DL4J. You can try this if step 4 didn't help to resolve the issue. DL4J/ND4J/DataVec should have the same version. For CUDA-related error stacks, check the installation as well. ...