Beispiel #1
0
  @Before
  public void setUp() {
    dispatcher = new DrainDispatcher();
    dispatcher.register(DAGEventType.class, mock(EventHandler.class));
    dispatcher.register(VertexEventType.class, mock(EventHandler.class));
    dispatcher.register(TaskEventType.class, new TaskEventHandler());
    dispatcher.register(TaskAttemptEventType.class, taEventHandler);
    dispatcher.init(new Configuration());
    dispatcher.start();

    vertex = mock(Vertex.class, RETURNS_DEEP_STUBS);
    when(vertex.getProcessorDescriptor().getClassName()).thenReturn("");

    mockAppContext = mock(AppContext.class, RETURNS_DEEP_STUBS);
    when(mockAppContext.getCurrentDAG().getVertex(any(TezVertexID.class))).thenReturn(vertex);
    mockHistoryEventHandler = new MockHistoryEventHandler(mockAppContext);
    when(mockAppContext.getHistoryHandler()).thenReturn(mockHistoryEventHandler);
    task =
        new TaskImpl(
            vertexId,
            0,
            dispatcher.getEventHandler(),
            new Configuration(),
            mock(TaskCommunicatorManagerInterface.class),
            new SystemClock(),
            mock(TaskHeartbeatHandler.class),
            mockAppContext,
            false,
            Resource.newInstance(1, 1),
            mock(ContainerContext.class),
            mock(StateChangeNotifier.class),
            vertex);

    Map<String, OutputCommitter> committers = new HashMap<String, OutputCommitter>();
    committers.put(
        "out1", new TestOutputCommitter(mock(OutputCommitterContext.class), true, false));
    when(task.getVertex().getOutputCommitters()).thenReturn(committers);
  }
  @Test(timeout = 10000)
  public void testFailAbortDoesntHang() throws IOException {
    Configuration conf = new Configuration();
    conf.set(MRJobConfig.MR_AM_STAGING_DIR, stagingDir);
    conf.set(MRJobConfig.MR_AM_COMMITTER_CANCEL_TIMEOUT_MS, "1000");

    DrainDispatcher dispatcher = new DrainDispatcher();
    dispatcher.init(conf);
    dispatcher.start();
    OutputCommitter committer = Mockito.mock(OutputCommitter.class);
    CommitterEventHandler commitHandler = createCommitterEventHandler(dispatcher, committer);
    commitHandler.init(conf);
    commitHandler.start();
    // Job has only 1 mapper task. No reducers
    conf.setInt(MRJobConfig.NUM_REDUCES, 0);
    conf.setInt(MRJobConfig.MAP_MAX_ATTEMPTS, 1);
    JobImpl job = createRunningStubbedJob(conf, dispatcher, 1, null);

    // Fail / finish all the tasks. This should land the JobImpl directly in the
    // FAIL_ABORT state
    for (Task t : job.tasks.values()) {
      TaskImpl task = (TaskImpl) t;
      task.handle(new TaskEvent(task.getID(), TaskEventType.T_SCHEDULE));
      for (TaskAttempt ta : task.getAttempts().values()) {
        task.handle(new TaskTAttemptEvent(ta.getID(), TaskEventType.T_ATTEMPT_FAILED));
      }
    }
    assertJobState(job, JobStateInternal.FAIL_ABORT);

    dispatcher.await();
    // Verify abortJob is called once and the job failed
    Mockito.verify(committer, Mockito.timeout(2000).times(1))
        .abortJob((JobContext) Mockito.any(), (State) Mockito.any());
    assertJobState(job, JobStateInternal.FAILED);

    dispatcher.stop();
  }