${resourceManager} ${nameNode} mapred.job.queue.name ${queueName} oozie.launcher.action.main.class org.apache.oozie.example.DemoMapReduceMain mapred.mapper.class org.apache.oozie.example.DemoMapper mapred.mapoutput.key.class org.apache.hadoop.io.Text mapred.mapoutput.value.class org.apache.hadoop.io.IntWritable mapred.reducer.class org.apache.oozie.example.DemoReducer mapred.map.tasks 1 mapred.input.dir /user/${wf:user()}/${examplesRoot}/input-data/text mapred.output.dir /user/${wf:user()}/${examplesRoot}/output-data/custom-main/mr-node ${resourceManager} ${nameNode} mapred.job.queue.name ${queueName} oozie.launcher.action.main.class org.apache.oozie.example.DemoPigMain INPUT=/user/${wf:user()}/${examplesRoot}/output-data/custom-main/mr-node OUTPUT=/user/${wf:user()}/${examplesRoot}/output-data/custom-main/pig-node Demo workflow failed, error message[${wf:errorMessage(wf:lastErrorNode())}]