Hello @moth  Can you please verify if a hive gateway role (CM > Hive Service > Instances > Add role instance > Gateway) and Spark2 gateway role (CM > Spark2 Service > Instances > Add role instance > Gateway) are installed on every Nodemanager host? Oozie shell actions run as yarn jobs, so the spark2-submit may be run on any NM host in the cluster, so the corresponding gateways need to be installed as well ... View more