${jobTracker} ${nameNode} mapred.job.queue.name ${queueName} fs.swift.service.sahara.username swiftuser fs.swift.service.sahara.password swiftpassword org.openstack.sahara.examples.WordCount swift://user.sahara/input swift://user.sahara/output Java failed, error message[${wf:errorMessage(wf:lastErrorNode())}]