@SuppressWarnings("unchecked")
@Override
public void transition(TaskAttemptImpl taskAttempt, TaskAttemptEvent event) {
  // too many fetch failure can only happen for map tasks
  Preconditions
      .checkArgument(taskAttempt.getID().getTaskId().getTaskType() == TaskType.MAP);
  //add to diagnostic
  taskAttempt.addDiagnosticInfo("Too Many fetch failures.Failing the attempt");
  
  if (taskAttempt.getLaunchTime() != 0) {
    taskAttempt.eventHandler
        .handle(createJobCounterUpdateEventTAFailed(taskAttempt, true));
    TaskAttemptUnsuccessfulCompletionEvent tauce =
        createTaskAttemptUnsuccessfulCompletionEvent(taskAttempt,
            TaskAttemptStateInternal.FAILED);
    taskAttempt.eventHandler.handle(new JobHistoryEvent(
        taskAttempt.attemptId.getTaskId().getJobId(), tauce));
  }else {
    LOG.debug("Not generating HistoryFinish event since start event not " +
        "generated for taskAttempt: " + taskAttempt.getID());
  }
  taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
      taskAttempt.attemptId, TaskEventType.T_ATTEMPT_FAILED));
}
 

public ReduceTaskAttemptInfo(TaskAttempt ta, TaskType type) {
  super(ta, type, false);

  this.shuffleFinishTime = ta.getShuffleFinishTime();
  this.mergeFinishTime = ta.getSortFinishTime();
  this.elapsedShuffleTime = Times.elapsed(this.startTime,
      this.shuffleFinishTime, false);
  if (this.elapsedShuffleTime == -1) {
    this.elapsedShuffleTime = 0;
  }
  this.elapsedMergeTime = Times.elapsed(this.shuffleFinishTime,
      this.mergeFinishTime, false);
  if (this.elapsedMergeTime == -1) {
    this.elapsedMergeTime = 0;
  }
  this.elapsedReduceTime = Times.elapsed(this.mergeFinishTime,
      this.finishTime, false);
  if (this.elapsedReduceTime == -1) {
    this.elapsedReduceTime = 0;
  }
}
 

@GET
@Path("/jobs/{jobid}/tasks")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public TasksInfo getJobTasks(@Context HttpServletRequest hsr,
    @PathParam("jobid") String jid, @QueryParam("type") String type) {

  init();
  Job job = getJobFromJobIdString(jid, appCtx);
  checkAccess(job, hsr);
  TasksInfo allTasks = new TasksInfo();
  for (Task task : job.getTasks().values()) {
    TaskType ttype = null;
    if (type != null && !type.isEmpty()) {
      try {
        ttype = MRApps.taskType(type);
      } catch (YarnRuntimeException e) {
        throw new BadRequestException("tasktype must be either m or r");
      }
    }
    if (ttype != null && task.getType() != ttype) {
      continue;
    }
    allTasks.add(new TaskInfo(task));
  }
  return allTasks;
}
 

@GET
@Path("/jobs/{jobid}/tasks/{taskid}/attempts")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public TaskAttemptsInfo getJobTaskAttempts(@Context HttpServletRequest hsr,
    @PathParam("jobid") String jid, @PathParam("taskid") String tid) {

  init();
  TaskAttemptsInfo attempts = new TaskAttemptsInfo();
  Job job = getJobFromJobIdString(jid, appCtx);
  checkAccess(job, hsr);
  Task task = getTaskFromTaskIdString(tid, job);

  for (TaskAttempt ta : task.getAttempts().values()) {
    if (ta != null) {
      if (task.getType() == TaskType.REDUCE) {
        attempts.add(new ReduceTaskAttemptInfo(ta, task.getType()));
      } else {
        attempts.add(new TaskAttemptInfo(ta, task.getType(), true));
      }
    }
  }
  return attempts;
}
 

@GET
@Path("/mapreduce/jobs/{jobid}/tasks/{taskid}/attempts/{attemptid}")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public TaskAttemptInfo getJobTaskAttemptId(@Context HttpServletRequest hsr,
    @PathParam("jobid") String jid, @PathParam("taskid") String tid,
    @PathParam("attemptid") String attId) {

  init();
  Job job = AMWebServices.getJobFromJobIdString(jid, ctx);
  checkAccess(job, hsr);
  Task task = AMWebServices.getTaskFromTaskIdString(tid, job);
  TaskAttempt ta = AMWebServices.getTaskAttemptFromTaskAttemptString(attId,
      task);
  if (task.getType() == TaskType.REDUCE) {
    return new ReduceTaskAttemptInfo(ta, task.getType());
  } else {
    return new TaskAttemptInfo(ta, task.getType(), false);
  }
}
 

@Test
public void testKillDuringTaskAttemptCommit() {
  mockTask = createMockTask(TaskType.REDUCE);        
  TaskId taskId = getNewTaskID();
  scheduleTaskAttempt(taskId);
  
  launchTaskAttempt(getLastAttempt().getAttemptId());
  updateLastAttemptState(TaskAttemptState.COMMIT_PENDING);
  commitTaskAttempt(getLastAttempt().getAttemptId());

  TaskAttemptId commitAttempt = getLastAttempt().getAttemptId();
  updateLastAttemptState(TaskAttemptState.KILLED);
  killRunningTaskAttempt(commitAttempt);

  assertFalse(mockTask.canCommit(commitAttempt));
}
 

private void computeProgress() {
  this.readLock.lock();
  try {
    float mapProgress = 0f;
    float reduceProgress = 0f;
    for (Task task : this.tasks.values()) {
      if (task.getType() == TaskType.MAP) {
        mapProgress += (task.isFinished() ? 1f : task.getProgress());
      } else {
        reduceProgress += (task.isFinished() ? 1f : task.getProgress());
      }
    }
    if (this.numMapTasks != 0) {
      mapProgress = mapProgress / this.numMapTasks;
    }
    if (this.numReduceTasks != 0) {
      reduceProgress = reduceProgress / this.numReduceTasks;
    }
    this.mapProgress = mapProgress;
    this.reduceProgress = reduceProgress;
  } finally {
    this.readLock.unlock();
  }
}
 

private void computeProgress() {
  this.readLock.lock();
  try {
    float mapProgress = 0f;
    float reduceProgress = 0f;
    for (Task task : this.tasks.values()) {
      if (task.getType() == TaskType.MAP) {
        mapProgress += (task.isFinished() ? 1f : task.getProgress());
      } else {
        reduceProgress += (task.isFinished() ? 1f : task.getProgress());
      }
    }
    if (this.numMapTasks != 0) {
      mapProgress = mapProgress / this.numMapTasks;
    }
    if (this.numReduceTasks != 0) {
      reduceProgress = reduceProgress / this.numReduceTasks;
    }
    this.mapProgress = mapProgress;
    this.reduceProgress = reduceProgress;
  } finally {
    this.readLock.unlock();
  }
}
 

@Override
public GetTaskReportsResponse getTaskReports(
    GetTaskReportsRequest request) throws IOException {
  JobId jobId = request.getJobId();
  TaskType taskType = request.getTaskType();
  
  GetTaskReportsResponse response = 
    recordFactory.newRecordInstance(GetTaskReportsResponse.class);
  
  Job job = verifyAndGetJob(jobId, JobACL.VIEW_JOB, true);
  Collection<Task> tasks = job.getTasks(taskType).values();
  LOG.info("Getting task report for " + taskType + "   " + jobId
      + ". Report-size will be " + tasks.size());

  // Take lock to allow only one call, otherwise heap will blow up because
  // of counters in the report when there are multiple callers.
  synchronized (getTaskReportsLock) {
    for (Task task : tasks) {
      response.addTaskReport(task.getReport());
    }
  }

  return response;
}
 

boolean remove(TaskAttemptId tId) {
  ContainerId containerId = null;
  if (tId.getTaskId().getTaskType().equals(TaskType.MAP)) {
    containerId = maps.remove(tId).getId();
  } else {
    containerId = reduces.remove(tId).getId();
    if (containerId != null) {
      boolean preempted = preemptionWaitingReduces.remove(tId);
      if (preempted) {
        LOG.info("Reduce preemption successful " + tId);
      }
    }
  }
  
  if (containerId != null) {
    containerToAttemptMap.remove(containerId);
    return true;
  }
  return false;
}
 

@GET
@Path("/jobs/{jobid}/tasks/{taskid}/attempts")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public TaskAttemptsInfo getJobTaskAttempts(@Context HttpServletRequest hsr,
    @PathParam("jobid") String jid, @PathParam("taskid") String tid) {

  init();
  TaskAttemptsInfo attempts = new TaskAttemptsInfo();
  Job job = getJobFromJobIdString(jid, appCtx);
  checkAccess(job, hsr);
  Task task = getTaskFromTaskIdString(tid, job);

  for (TaskAttempt ta : task.getAttempts().values()) {
    if (ta != null) {
      if (task.getType() == TaskType.REDUCE) {
        attempts.add(new ReduceTaskAttemptInfo(ta, task.getType()));
      } else {
        attempts.add(new TaskAttemptInfo(ta, task.getType(), true));
      }
    }
  }
  return attempts;
}
 

private float getReduceProgress() {
  Job job = myAppContext.getJob(myAttemptID.getTaskId().getJobId());
  float runtime = getCodeRuntime();

  Collection<Task> allMapTasks = job.getTasks(TaskType.MAP).values();

  int numberMaps = allMapTasks.size();
  int numberDoneMaps = 0;

  for (Task mapTask : allMapTasks) {
    if (mapTask.isFinished()) {
      ++numberDoneMaps;
    }
  }

  if (numberMaps == numberDoneMaps) {
    shuffleCompletedTime = Math.min(shuffleCompletedTime, clock.getTime());

    return Math.min
        ((float) (clock.getTime() - shuffleCompletedTime)
                    / (runtime * 2000.0F) + 0.5F,
         1.0F);
  } else {
    return ((float) numberDoneMaps) / numberMaps * 0.5F;
  }
}
 

private AtomicInteger containerNeed(TaskId taskID) {
  JobId jobID = taskID.getJobId();
  TaskType taskType = taskID.getTaskType();

  ConcurrentMap<JobId, AtomicInteger> relevantMap
      = taskType == TaskType.MAP ? mapContainerNeeds : reduceContainerNeeds;

  AtomicInteger result = relevantMap.get(jobID);

  if (result == null) {
    relevantMap.putIfAbsent(jobID, new AtomicInteger(0));
    result = relevantMap.get(jobID);
  }

  return result;
}
 

public void verifyAMTaskAttemptXML(Element element, TaskAttempt att,
    TaskType ttype) {
  verifyTaskAttemptGeneric(att, ttype,
      WebServicesTestUtils.getXmlString(element, "id"),
      WebServicesTestUtils.getXmlString(element, "state"),
      WebServicesTestUtils.getXmlString(element, "type"),
      WebServicesTestUtils.getXmlString(element, "rack"),
      WebServicesTestUtils.getXmlString(element, "nodeHttpAddress"),
      WebServicesTestUtils.getXmlString(element, "diagnostics"),
      WebServicesTestUtils.getXmlString(element, "assignedContainerId"),
      WebServicesTestUtils.getXmlLong(element, "startTime"),
      WebServicesTestUtils.getXmlLong(element, "finishTime"),
      WebServicesTestUtils.getXmlLong(element, "elapsedTime"),
      WebServicesTestUtils.getXmlFloat(element, "progress"));

  if (ttype == TaskType.REDUCE) {
    verifyReduceTaskAttemptGeneric(att,
        WebServicesTestUtils.getXmlLong(element, "shuffleFinishTime"),
        WebServicesTestUtils.getXmlLong(element, "mergeFinishTime"),
        WebServicesTestUtils.getXmlLong(element, "elapsedShuffleTime"),
        WebServicesTestUtils.getXmlLong(element, "elapsedMergeTime"),
        WebServicesTestUtils.getXmlLong(element, "elapsedReduceTime"));
  }
}
 

private static void completeJobTasks(JobImpl job) {
  // complete the map tasks and the reduce tasks so we start committing
  int numMaps = job.getTotalMaps();
  for (int i = 0; i < numMaps; ++i) {
    job.handle(new JobTaskEvent(
        MRBuilderUtils.newTaskId(job.getID(), 1, TaskType.MAP),
        TaskState.SUCCEEDED));
    Assert.assertEquals(JobState.RUNNING, job.getState());
  }
  int numReduces = job.getTotalReduces();
  for (int i = 0; i < numReduces; ++i) {
    job.handle(new JobTaskEvent(
        MRBuilderUtils.newTaskId(job.getID(), 1, TaskType.MAP),
        TaskState.SUCCEEDED));
    Assert.assertEquals(JobState.RUNNING, job.getState());
  }
}
 

@Test (timeout=100000)
public void testCompletedJob() throws Exception {
  HistoryFileInfo info = mock(HistoryFileInfo.class);
  when(info.getConfFile()).thenReturn(fullConfPath);
  //Re-initialize to verify the delayed load.
  completedJob =
    new CompletedJob(conf, jobId, fullHistoryPath, loadTasks, "user",
        info, jobAclsManager);
  //Verify tasks loaded based on loadTask parameter.
  assertEquals(loadTasks, completedJob.tasksLoaded.get());
  assertEquals(1, completedJob.getAMInfos().size());
  assertEquals(10, completedJob.getCompletedMaps());
  assertEquals(1, completedJob.getCompletedReduces());
  assertEquals(12, completedJob.getTasks().size());
  //Verify tasks loaded at this point.
  assertEquals(true, completedJob.tasksLoaded.get());
  assertEquals(10, completedJob.getTasks(TaskType.MAP).size());
  assertEquals(2, completedJob.getTasks(TaskType.REDUCE).size());
  assertEquals("user", completedJob.getUserName());
  assertEquals(JobState.SUCCEEDED, completedJob.getState());
  JobReport jobReport = completedJob.getReport();
  assertEquals("user", jobReport.getUser());
  assertEquals(JobState.SUCCEEDED, jobReport.getJobState());
}
 

/**
 * Given the taskId details (JobId, suffix id and task type), it gives the TaskReport
 * @param jobId, the JobId instance
 * @param id, the suffix id as int
 * @param taskType, the task type
 * @return the Task Report
 * @throws IOException
 */
public TaskReport getTaskReport(JobId jobId, int id, TaskType taskType) throws IOException{
	TaskId taskId = YarnCommunicatorUtil.getTaskId(jobId, id, taskType);
	GetTaskReportRequestProto proto = GetTaskReportRequestProto.getDefaultInstance();	
	GetTaskReportRequest getTaskReportRequest = new GetTaskReportRequestPBImpl(proto);
	getTaskReportRequest.setTaskId(taskId);
	GetTaskReportResponse taskReportResponse =  proxy.getTaskReport(getTaskReportRequest);
	return taskReportResponse.getTaskReport();
}
 

@Override
public TaskStateInternal transition(TaskImpl task, TaskEvent event) {
  TaskAttemptId attemptId = null;
  if (event instanceof TaskTAttemptEvent) {
    TaskTAttemptEvent castEvent = (TaskTAttemptEvent) event;
    attemptId = castEvent.getTaskAttemptID(); 
    if (task.getInternalState() == TaskStateInternal.SUCCEEDED &&
        !attemptId.equals(task.successfulAttempt)) {
      // don't allow a different task attempt to override a previous
      // succeeded state
      task.finishedAttempts.add(castEvent.getTaskAttemptID());
      task.inProgressAttempts.remove(castEvent.getTaskAttemptID());
      return TaskStateInternal.SUCCEEDED;
    }
  }

  // a successful REDUCE task should not be overridden
  // TODO: consider moving it to MapTaskImpl
  if (!TaskType.MAP.equals(task.getType())) {
    LOG.error("Unexpected event for REDUCE task " + event.getType());
    task.internalError(event.getType());
  }

  // successful attempt is now killed. reschedule
  // tell the job about the rescheduling
  unSucceed(task);
  task.handleTaskAttemptCompletion(attemptId,
      TaskAttemptCompletionEventStatus.KILLED);
  task.eventHandler.handle(new JobMapTaskRescheduledEvent(task.taskId));
  // typically we are here because this map task was run on a bad node and
  // we want to reschedule it on a different node.
  // Depending on whether there are previous failed attempts or not this
  // can SCHEDULE or RESCHEDULE the container allocate request. If this
  // SCHEDULE's then the dataLocal hosts of this taskAttempt will be used
  // from the map splitInfo. So the bad node might be sent as a location
  // to the RM. But the RM would ignore that just like it would ignore
  // currently pending container requests affinitized to bad nodes.
  task.addAndScheduleAttempt(Avataar.VIRGIN);
  return TaskStateInternal.SCHEDULED;
}
 

void incr(Task task) {
  TaskType type = task.getType();
  boolean finished = task.isFinished();
  if (type == TaskType.MAP) {
    if (finished) {
      ++completedMaps;
    }
    ++maps;
  } else if (type == TaskType.REDUCE) {
    if (finished) {
      ++completedReduces;
    }
    ++reduces;
  }
}
 

@Test 
public void testTaskProgress() {
  LOG.info("--- START: testTaskProgress ---");
  mockTask = createMockTask(TaskType.MAP);        
      
  // launch task
  TaskId taskId = getNewTaskID();
  scheduleTaskAttempt(taskId);
  float progress = 0f;
  assert(mockTask.getProgress() == progress);
  launchTaskAttempt(getLastAttempt().getAttemptId());    
  
  // update attempt1 
  progress = 50f;
  updateLastAttemptProgress(progress);
  assert(mockTask.getProgress() == progress);
  progress = 100f;
  updateLastAttemptProgress(progress);
  assert(mockTask.getProgress() == progress);
  
  progress = 0f;
  // mark first attempt as killed
  updateLastAttemptState(TaskAttemptState.KILLED);
  assert(mockTask.getProgress() == progress);

  // kill first attempt 
  // should trigger a new attempt
  // as no successful attempts 
  killRunningTaskAttempt(getLastAttempt().getAttemptId());
  assert(taskAttempts.size() == 2);
  
  assert(mockTask.getProgress() == 0f);
  launchTaskAttempt(getLastAttempt().getAttemptId());
  progress = 50f;
  updateLastAttemptProgress(progress);
  assert(mockTask.getProgress() == progress);
      
}
 

private TaskAttemptImpl createMapTaskAttemptImplForTest(
    EventHandler eventHandler, TaskSplitMetaInfo taskSplitMetaInfo, Clock clock) {
  ApplicationId appId = ApplicationId.newInstance(1, 1);
  JobId jobId = MRBuilderUtils.newJobId(appId, 1);
  TaskId taskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.MAP);
  TaskAttemptListener taListener = mock(TaskAttemptListener.class);
  Path jobFile = mock(Path.class);
  JobConf jobConf = new JobConf();
  TaskAttemptImpl taImpl =
      new MapTaskAttemptImpl(taskId, 1, eventHandler, jobFile, 1,
          taskSplitMetaInfo, jobConf, taListener, null,
          null, clock, null);
  return taImpl;
}
 

public static TaskAttemptId makeTaskAttemptId(long ts, int appId, int taskId, 
    TaskType taskType, int id) {
  ApplicationId aID = ApplicationId.newInstance(ts, appId);
  JobId jID = MRBuilderUtils.newJobId(aID, id);
  TaskId tID = MRBuilderUtils.newTaskId(jID, taskId, taskType);
  return MRBuilderUtils.newTaskAttemptId(tID, id);
}
 

private int getGpuRequired(Configuration conf, TaskType taskType) {
  int gcores = 0;
  if (taskType == TaskType.MAP)  {
    gcores =
        conf.getInt(MRJobConfig.MAP_GPU_CORES,
            MRJobConfig.DEFAULT_MAP_GPU_CORES);
  } else if (taskType == TaskType.REDUCE) {
    gcores =
        conf.getInt(MRJobConfig.REDUCE_GPU_CORES,
            MRJobConfig.DEFAULT_REDUCE_GPU_CORES);
  }

  return gcores;
}
 

@Test
public void testKillSuccessfulTask() {
  LOG.info("--- START: testKillSuccesfulTask ---");
  mockTask = createMockTask(TaskType.MAP);
  TaskId taskId = getNewTaskID();
  scheduleTaskAttempt(taskId);
  launchTaskAttempt(getLastAttempt().getAttemptId());
  commitTaskAttempt(getLastAttempt().getAttemptId());
  mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(),
      TaskEventType.T_ATTEMPT_SUCCEEDED));
  assertTaskSucceededState();
  mockTask.handle(new TaskEvent(taskId, TaskEventType.T_KILL));
  assertTaskSucceededState();
}
 

@Test (timeout = 120000)
public void testTaskIDtoString() {
  TaskId tid = RecordFactoryProvider.getRecordFactory(null).newRecordInstance(TaskId.class);
  tid.setJobId(RecordFactoryProvider.getRecordFactory(null).newRecordInstance(JobId.class));
  tid.getJobId().setAppId(ApplicationId.newInstance(0, 0));
  tid.setTaskType(TaskType.MAP);
  TaskType type = tid.getTaskType();
  System.err.println(type);
  type = TaskType.REDUCE;
  System.err.println(type);
  System.err.println(tid.getTaskType());
  assertEquals("task_0_0000_m_000000", MRApps.toString(tid));
  tid.setTaskType(TaskType.REDUCE);
  assertEquals("task_0_0000_r_000000", MRApps.toString(tid));
}
 

@SuppressWarnings("unchecked")
@Override
public void handle(ContainerAllocatorEvent event) {
  if (event.getType() == ContainerAllocator.EventType.CONTAINER_REQ) {
    LOG.info("Processing the event " + event.toString());
    // Assign the same container ID as the AM
    ContainerId cID =
        ContainerId.newContainerId(getContext().getApplicationAttemptId(),
          this.containerId.getContainerId());
    Container container = recordFactory.newRecordInstance(Container.class);
    container.setId(cID);
    NodeId nodeId = NodeId.newInstance(this.nmHost, this.nmPort);
    container.setNodeId(nodeId);
    container.setContainerToken(null);
    container.setNodeHttpAddress(this.nmHost + ":" + this.nmHttpPort);
    // send the container-assigned event to task attempt

    if (event.getAttemptID().getTaskId().getTaskType() == TaskType.MAP) {
      JobCounterUpdateEvent jce =
          new JobCounterUpdateEvent(event.getAttemptID().getTaskId()
              .getJobId());
      // TODO Setting OTHER_LOCAL_MAP for now.
      jce.addCounterUpdate(JobCounter.OTHER_LOCAL_MAPS, 1);
      eventHandler.handle(jce);
    }
    eventHandler.handle(new TaskAttemptContainerAssignedEvent(
        event.getAttemptID(), container, applicationACLs));
  }
}
 

@Override
public Map<TaskId, Task> getTasks(TaskType taskType) {
  loadAllTasks();
  if (TaskType.MAP.equals(taskType)) {
    return mapTasks;
  } else {//we have only two types of tasks
    return reduceTasks;
  }
}
 

@Override
public long thresholdRuntime(TaskId taskID) {
  JobId jobID = taskID.getJobId();
  Job job = context.getJob(jobID);

  TaskType type = taskID.getTaskType();

  DataStatistics statistics
      = dataStatisticsForTask(taskID);

  int completedTasksOfType
      = type == TaskType.MAP
          ? job.getCompletedMaps() : job.getCompletedReduces();

  int totalTasksOfType
      = type == TaskType.MAP
          ? job.getTotalMaps() : job.getTotalReduces();

  if (completedTasksOfType < MINIMUM_COMPLETE_NUMBER_TO_SPECULATE
      || (((float)completedTasksOfType) / totalTasksOfType)
            < MINIMUM_COMPLETE_PROPORTION_TO_SPECULATE ) {
    return Long.MAX_VALUE;
  }

  long result =  statistics == null
      ? Long.MAX_VALUE
      : (long)statistics.outlier(slowTaskRelativeTresholds.get(job));
  return result;
}
 

boolean remove(TaskAttemptId tId) {
  ContainerRequest req = null;
  if (tId.getTaskId().getTaskType().equals(TaskType.MAP)) {
    req = maps.remove(tId);
  } else {
    req = reduces.remove(tId);
  }
  
  if (req == null) {
    return false;
  } else {
    decContainerReq(req);
    return true;
  }
}
 

public MockTaskAttemptImpl(TaskId taskId, int id, EventHandler eventHandler,
    TaskAttemptListener taskAttemptListener, Path jobFile, int partition,
    JobConf conf, Token<JobTokenIdentifier> jobToken,
    Credentials credentials, Clock clock,
    AppContext appContext, TaskType taskType) {
  super(taskId, id, eventHandler, taskAttemptListener, jobFile, partition, conf,
      dataLocations, jobToken, credentials, clock, appContext);
  this.taskType = taskType;
}