LogicalIOProcessorRuntimeTask task = MapUtils.createLogicalTask(localFs, workDir, job, 0,
new Path(workDir, "map0"), new TestUmbilical(), dagName, vertexName,
Collections.singletonList(mapInputSpec),
Collections.singletonList(mapOutputSpec));
task.initialize();
task.run();
task.close();
TezInputContext inputContext = task.getInputContexts().iterator().next();
TezTaskOutput mapOutputs = new TezLocalTaskOutputFiles(jobConf, inputContext.getUniqueIdentifier());