package victim; import org.apache.avro.generic.GenericRecord; import org.apache.parquet.avro.AvroParquetReader; import org.apache.parquet.hadoop.ParquetReader; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; public class ParquetVictim { public static void main(String[] args) throws Exception { Path path = new Path("exploit.parquet"); ParquetReader reader = AvroParquetReader.builder(path) .withConf(new Configuration()) .build(); GenericRecord record = reader.read(); System.out.println("Record loaded: " + record); // this triggers instantiation of default } }