Please run client application with given file path, this example is speciafically written for a given task file format, you can update using const.java file according to your need
the following command is use to run your application java -jar /data/yarn/libs/containerapp.jar hdfs://sandbox-hdp.hortonworks.com:/user/maria_dev/data.csv hdfs://sandbox-hdp.hortonworks.com:/user/maria_dev/output