Hi folks - From talking to support, it seems the issue could be related to HA Proxy. As a "resolkution", we have disabled HA and everything works great. Let's face it - we do not really need HA for oozie client - so this was an acceptable enough resolution for us Thank you for following up though! Ioan ... View more

Did anyone found the solution for this issue? I have a similar issue, We are using CM5.11 and installed Spark2 seperately on other server. When we enable KMS on the cluster then Spark2 throws Unknown Host exception. ... View more