Minor Description
The following exception is thrown when the pyspark example is submitted:
Error: E0701 : E0701: XML schema error, cvc-complex-type.2.4.a: Invalid content was found starting with element 'resource-manager'. One of '{"uri:oozie:spark-action:0.1":job-tracker}' is expected.
The xmlns version should be changed to 1.0 in order to accept the resource-manager element as well.
https://github.com/apache/oozie/blob/master/examples/src/main/apps/3/workflow.xml#L24