Thanks for the response. The cluster is Kerberized.   I think we got around these errors (partly) by trial and error, so it's hard to pinpoint the exact configuration causing the issues. These probably involved permissions in Ranger, but can't tell exactly since there's no config versioning there.   I say _partly_ since we still haven't figured out Oozie Bundles (jobs through bundles still don't show logs properly on HUE), but workflows and coordinators seem to be working as expected.  ... View more