It is useful to check the following items in this case - the problem is an issue with the Hadoop configuration on the cluster.
- Ensure that the local share directory '/var/RevoShare/$USER' exists on each cluster node.
- Ensure that the directory '/var/RevoShare/$USER' exists on each cluster node in HDFS.
- Make sure that the test dataset 'AirlineDemoSmall.csv' already exists in HDFS, before running the verification script.