nd4j-serde org.nd4j 1.0.0-beta6 4.0.0 nd4j-arrow jar nd4j-arrow junit junit test org.nd4j nd4j-api ${project.version} org.apache.arrow arrow-vector ${arrow.version} org.apache.arrow arrow-memory ${arrow.version} org.apache.arrow arrow-format ${arrow.version} testresources org.nd4j nd4j-native ${project.version} test