Examples with TaskAttemptEventStartedRemotely org.apache.tez.dag.app.dag.event.TaskAttemptEventStartedRemotely used on opensource projects

Example 1 with TaskAttemptEventStartedRemotely

use of org.apache.tez.dag.app.dag.event.TaskAttemptEventStartedRemotely in project tez by apache.

the class TestVertexImpl method testVertexTaskAttemptOutputFailure.

@SuppressWarnings("deprecation")
@Test(timeout = 5000)
public void testVertexTaskAttemptOutputFailure() throws Exception {
    initAllVertices(VertexState.INITED);
    VertexImpl v = vertices.get("vertex1");
    startVertex(v);
    dispatcher.await();
    TaskAttemptImpl ta = (TaskAttemptImpl) v.getTask(0).getAttempts().values().iterator().next();
    ta.handle(new TaskAttemptEventSchedule(ta.getID(), 2, 2));
    NodeId nid = NodeId.newInstance("127.0.0.1", 0);
    ContainerId contId = ContainerId.newInstance(appAttemptId, 3);
    Container container = mock(Container.class);
    when(container.getId()).thenReturn(contId);
    when(container.getNodeId()).thenReturn(nid);
    when(container.getNodeHttpAddress()).thenReturn("localhost:0");
    AMContainerMap containers = new AMContainerMap(mock(ContainerHeartbeatHandler.class), mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appContext);
    containers.addContainerIfNew(container, 0, 0, 0);
    doReturn(containers).when(appContext).getAllContainers();
    ta.handle(new TaskAttemptEventSubmitted(ta.getID(), contId));
    ta.handle(new TaskAttemptEventStartedRemotely(ta.getID()));
    Assert.assertEquals(TaskAttemptStateInternal.RUNNING, ta.getInternalState());
    ta.handle(new TaskAttemptEventAttemptFailed(ta.getID(), TaskAttemptEventType.TA_FAILED, TaskFailureType.NON_FATAL, "diag", TaskAttemptTerminationCause.OUTPUT_WRITE_ERROR));
    dispatcher.await();
    Assert.assertEquals(VertexState.RUNNING, v.getState());
    Assert.assertEquals(TaskAttemptTerminationCause.OUTPUT_WRITE_ERROR, ta.getTerminationCause());
}

Example 2 with TaskAttemptEventStartedRemotely

use of org.apache.tez.dag.app.dag.event.TaskAttemptEventStartedRemotely in project tez by apache.

the class TestVertexImpl method testLastTaskFinishTime.

@Test(timeout = 5000)
public void testLastTaskFinishTime() {
    NodeId nid = NodeId.newInstance("127.0.0.1", 0);
    ContainerId contId = ContainerId.newContainerId(appAttemptId, 3);
    Container container = mock(Container.class);
    when(container.getId()).thenReturn(contId);
    when(container.getNodeId()).thenReturn(nid);
    when(container.getNodeHttpAddress()).thenReturn("localhost:0");
    AMContainerMap containers = new AMContainerMap(mock(ContainerHeartbeatHandler.class), mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appContext);
    containers.addContainerIfNew(container, 0, 0, 0);
    doReturn(containers).when(appContext).getAllContainers();
    initAllVertices(VertexState.INITED);
    VertexImpl v = vertices.get("vertex2");
    startVertex(v);
    TezTaskID tid0 = TezTaskID.getInstance(v.getVertexId(), 0);
    TezTaskID tid1 = TezTaskID.getInstance(v.getVertexId(), 1);
    TaskImpl task0 = (TaskImpl) v.getTask(tid0);
    TaskImpl task1 = (TaskImpl) v.getTask(tid1);
    TezTaskAttemptID taskAttemptId0 = TezTaskAttemptID.getInstance(task0.getTaskId(), 0);
    TezTaskAttemptID taskAttemptId1 = TezTaskAttemptID.getInstance(task1.getTaskId(), 0);
    TaskAttemptImpl taskAttempt0 = (TaskAttemptImpl) task0.getAttempt(taskAttemptId0);
    TaskAttemptImpl taskAttempt1 = (TaskAttemptImpl) task1.getAttempt(taskAttemptId1);
    Assert.assertEquals(v.getLastTaskFinishTime(), -1);
    taskAttempt0.handle(new TaskAttemptEventSchedule(taskAttemptId0, 0, 0));
    taskAttempt0.handle(new TaskAttemptEventSubmitted(taskAttemptId0, contId));
    taskAttempt0.handle(new TaskAttemptEventStartedRemotely(taskAttemptId0));
    taskAttempt0.handle(new TaskAttemptEvent(taskAttemptId0, TaskAttemptEventType.TA_DONE));
    // task0.handle(new TaskEventTAUpdate(taskAttemptId0, TaskEventType.T_ATTEMPT_SUCCEEDED));
    Assert.assertEquals(v.getLastTaskFinishTime(), -1);
    taskAttempt1.handle(new TaskAttemptEventSchedule(taskAttemptId1, 0, 0));
    taskAttempt1.handle(new TaskAttemptEventSubmitted(taskAttemptId1, contId));
    taskAttempt1.handle(new TaskAttemptEventStartedRemotely(taskAttemptId1));
    taskAttempt1.handle(new TaskAttemptEvent(taskAttemptId1, TaskAttemptEventType.TA_DONE));
    // task1.handle(new TaskEventTAUpdate(taskAttemptId1, TaskEventType.T_ATTEMPT_SUCCEEDED));
    dispatcher.await();
    Assert.assertEquals(VertexState.SUCCEEDED, v.getState());
    Assert.assertTrue(v.getLastTaskFinishTime() > 0);
}

Example 3 with TaskAttemptEventStartedRemotely

use of org.apache.tez.dag.app.dag.event.TaskAttemptEventStartedRemotely in project tez by apache.

the class TestTaskAttempt method testSuccess.

@Test(timeout = 5000)
public void testSuccess() throws Exception {
    ApplicationId appId = ApplicationId.newInstance(1, 2);
    ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 0);
    TezDAGID dagID = TezDAGID.getInstance(appId, 1);
    TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
    TezTaskID taskID = TezTaskID.getInstance(vertexID, 1);
    MockEventHandler eventHandler = spy(new MockEventHandler());
    TaskCommunicatorManagerInterface taListener = createMockTaskAttemptListener();
    Configuration taskConf = new Configuration();
    taskConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class);
    taskConf.setBoolean("fs.file.impl.disable.cache", true);
    taskConf.setBoolean(TezConfiguration.TEZ_AM_SPECULATION_ENABLED, true);
    locationHint = TaskLocationHint.createTaskLocationHint(new HashSet<String>(Arrays.asList(new String[] { "127.0.0.1" })), null);
    Resource resource = Resource.newInstance(1024, 1);
    NodeId nid = NodeId.newInstance("127.0.0.1", 0);
    @SuppressWarnings("deprecation") ContainerId contId = ContainerId.newInstance(appAttemptId, 3);
    Container container = mock(Container.class);
    when(container.getId()).thenReturn(contId);
    when(container.getNodeId()).thenReturn(nid);
    when(container.getNodeHttpAddress()).thenReturn("localhost:0");
    AMContainerMap containers = new AMContainerMap(mock(ContainerHeartbeatHandler.class), mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appCtx);
    containers.addContainerIfNew(container, 0, 0, 0);
    doReturn(new ClusterInfo()).when(appCtx).getClusterInfo();
    doReturn(containers).when(appCtx).getAllContainers();
    TaskHeartbeatHandler mockHeartbeatHandler = mock(TaskHeartbeatHandler.class);
    TaskAttemptImpl taImpl = new MockTaskAttemptImpl(taskID, 1, eventHandler, taListener, taskConf, new SystemClock(), mockHeartbeatHandler, appCtx, false, resource, createFakeContainerContext(), false);
    TezTaskAttemptID taskAttemptID = taImpl.getID();
    ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
    taImpl.handle(new TaskAttemptEventSchedule(taskAttemptID, 0, 0));
    taImpl.handle(new TaskAttemptEventSubmitted(taskAttemptID, contId));
    taImpl.handle(new TaskAttemptEventStartedRemotely(taskAttemptID));
    assertEquals("Task attempt is not in the RUNNING state", taImpl.getState(), TaskAttemptState.RUNNING);
    verify(mockHeartbeatHandler).register(taskAttemptID);
    int expectedEventsAtRunning = 6;
    verify(eventHandler, times(expectedEventsAtRunning)).handle(arg.capture());
    verifyEventType(arg.getAllValues().subList(0, expectedEventsAtRunning), SpeculatorEventTaskAttemptStatusUpdate.class, 1);
    taImpl.handle(new TaskAttemptEventStatusUpdate(taskAttemptID, new TaskStatusUpdateEvent(null, 0.1f, null, false)));
    taImpl.handle(new TaskAttemptEvent(taskAttemptID, TaskAttemptEventType.TA_DONE));
    assertEquals("Task attempt is not in the  SUCCEEDED state", taImpl.getState(), TaskAttemptState.SUCCEEDED);
    verify(mockHeartbeatHandler).unregister(taskAttemptID);
    assertEquals(0, taImpl.getDiagnostics().size());
    int expectedEvenstAfterTerminating = expectedEventsAtRunning + 5;
    arg = ArgumentCaptor.forClass(Event.class);
    verify(eventHandler, times(expectedEvenstAfterTerminating)).handle(arg.capture());
    Event e = verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), TaskEventTASucceeded.class, 1);
    assertEquals(TaskEventType.T_ATTEMPT_SUCCEEDED, e.getType());
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), AMSchedulerEventTAEnded.class, 1);
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), DAGEventCounterUpdate.class, 1);
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), SpeculatorEventTaskAttemptStatusUpdate.class, 2);
}

Example 4 with TaskAttemptEventStartedRemotely

use of org.apache.tez.dag.app.dag.event.TaskAttemptEventStartedRemotely in project tez by apache.

the class TestTaskAttempt method testContainerTerminationWhileRunning.

@Test(timeout = 5000)
public // the TaskAttempt
void testContainerTerminationWhileRunning() throws Exception {
    ApplicationId appId = ApplicationId.newInstance(1, 2);
    ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 0);
    TezDAGID dagID = TezDAGID.getInstance(appId, 1);
    TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
    TezTaskID taskID = TezTaskID.getInstance(vertexID, 1);
    MockEventHandler eventHandler = spy(new MockEventHandler());
    TaskCommunicatorManagerInterface taListener = createMockTaskAttemptListener();
    Configuration taskConf = new Configuration();
    taskConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class);
    taskConf.setBoolean("fs.file.impl.disable.cache", true);
    locationHint = TaskLocationHint.createTaskLocationHint(new HashSet<String>(Arrays.asList(new String[] { "127.0.0.1" })), null);
    Resource resource = Resource.newInstance(1024, 1);
    NodeId nid = NodeId.newInstance("127.0.0.1", 0);
    @SuppressWarnings("deprecation") ContainerId contId = ContainerId.newInstance(appAttemptId, 3);
    Container container = mock(Container.class);
    when(container.getId()).thenReturn(contId);
    when(container.getNodeId()).thenReturn(nid);
    when(container.getNodeHttpAddress()).thenReturn("localhost:0");
    AMContainerMap containers = new AMContainerMap(mock(ContainerHeartbeatHandler.class), mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appCtx);
    containers.addContainerIfNew(container, 0, 0, 0);
    doReturn(new ClusterInfo()).when(appCtx).getClusterInfo();
    doReturn(containers).when(appCtx).getAllContainers();
    TaskHeartbeatHandler mockHeartbeatHandler = mock(TaskHeartbeatHandler.class);
    TaskAttemptImpl taImpl = new MockTaskAttemptImpl(taskID, 1, eventHandler, taListener, taskConf, new SystemClock(), mockHeartbeatHandler, appCtx, false, resource, createFakeContainerContext(), false);
    TezTaskAttemptID taskAttemptID = taImpl.getID();
    ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
    taImpl.handle(new TaskAttemptEventSchedule(taskAttemptID, 0, 0));
    taImpl.handle(new TaskAttemptEventSubmitted(taskAttemptID, contId));
    assertEquals("Task attempt is not in the STARTING state", taImpl.getState(), TaskAttemptState.STARTING);
    assertEquals("Task attempt internal state is not at SUBMITTED", taImpl.getInternalState(), TaskAttemptStateInternal.SUBMITTED);
    // At state STARTING.
    taImpl.handle(new TaskAttemptEventStartedRemotely(taskAttemptID));
    assertEquals("Task attempt is not in the RUNNING state", taImpl.getState(), TaskAttemptState.RUNNING);
    verify(mockHeartbeatHandler).register(taskAttemptID);
    int expectedEventsAtRunning = 5;
    verify(eventHandler, times(expectedEventsAtRunning)).handle(arg.capture());
    taImpl.handle(new TaskAttemptEventContainerTerminating(taskAttemptID, "Terminating", TaskAttemptTerminationCause.APPLICATION_ERROR));
    assertFalse("InternalError occurred trying to handle TA_CONTAINER_TERMINATING", eventHandler.internalError);
    verify(mockHeartbeatHandler).unregister(taskAttemptID);
    assertEquals("Task attempt is not in the  FAILED state", taImpl.getState(), TaskAttemptState.FAILED);
    assertEquals(1, taImpl.getDiagnostics().size());
    assertEquals("Terminating", taImpl.getDiagnostics().get(0));
    assertEquals(TaskAttemptTerminationCause.APPLICATION_ERROR, taImpl.getTerminationCause());
    int expectedEvenstAfterTerminating = expectedEventsAtRunning + 3;
    arg = ArgumentCaptor.forClass(Event.class);
    verify(eventHandler, times(expectedEvenstAfterTerminating)).handle(arg.capture());
    Event event = verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), TaskEventTAFailed.class, 1);
    TaskEventTAFailed failedEvent = (TaskEventTAFailed) event;
    assertEquals(TaskFailureType.NON_FATAL, failedEvent.getTaskFailureType());
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), AMSchedulerEventTAEnded.class, 1);
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), DAGEventCounterUpdate.class, 1);
    taImpl.handle(new TaskAttemptEventContainerTerminated(contId, taskAttemptID, "Terminated", TaskAttemptTerminationCause.CONTAINER_EXITED));
    // verify unregister is not invoked again
    verify(mockHeartbeatHandler, times(1)).unregister(taskAttemptID);
    int expectedEventAfterTerminated = expectedEvenstAfterTerminating + 0;
    arg = ArgumentCaptor.forClass(Event.class);
    verify(eventHandler, times(expectedEventAfterTerminated)).handle(arg.capture());
    assertEquals(2, taImpl.getDiagnostics().size());
    assertEquals("Terminated", taImpl.getDiagnostics().get(1));
    // check that original error cause is retained
    assertEquals(TaskAttemptTerminationCause.APPLICATION_ERROR, taImpl.getTerminationCause());
}

Example 5 with TaskAttemptEventStartedRemotely

use of org.apache.tez.dag.app.dag.event.TaskAttemptEventStartedRemotely in project tez by apache.

the class TestTaskAttempt method testMultipleOutputFailed.

@Test(timeout = 5000)
public // TaskAttempt.
void testMultipleOutputFailed() throws Exception {
    ApplicationId appId = ApplicationId.newInstance(1, 2);
    ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 0);
    TezDAGID dagID = TezDAGID.getInstance(appId, 1);
    TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
    TezTaskID taskID = TezTaskID.getInstance(vertexID, 1);
    MockEventHandler mockEh = new MockEventHandler();
    MockEventHandler eventHandler = spy(mockEh);
    TaskCommunicatorManagerInterface taListener = createMockTaskAttemptListener();
    Configuration taskConf = new Configuration();
    taskConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class);
    taskConf.setBoolean("fs.file.impl.disable.cache", true);
    locationHint = TaskLocationHint.createTaskLocationHint(new HashSet<String>(Arrays.asList(new String[] { "127.0.0.1" })), null);
    Resource resource = Resource.newInstance(1024, 1);
    NodeId nid = NodeId.newInstance("127.0.0.1", 0);
    @SuppressWarnings("deprecation") ContainerId contId = ContainerId.newInstance(appAttemptId, 3);
    Container container = mock(Container.class);
    when(container.getId()).thenReturn(contId);
    when(container.getNodeId()).thenReturn(nid);
    when(container.getNodeHttpAddress()).thenReturn("localhost:0");
    AMContainerMap containers = new AMContainerMap(mock(ContainerHeartbeatHandler.class), mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appCtx);
    containers.addContainerIfNew(container, 0, 0, 0);
    doReturn(new ClusterInfo()).when(appCtx).getClusterInfo();
    doReturn(containers).when(appCtx).getAllContainers();
    HistoryEventHandler mockHistHandler = mock(HistoryEventHandler.class);
    doReturn(mockHistHandler).when(appCtx).getHistoryHandler();
    TaskHeartbeatHandler mockHeartbeatHandler = mock(TaskHeartbeatHandler.class);
    MockTaskAttemptImpl taImpl = new MockTaskAttemptImpl(taskID, 1, eventHandler, taListener, taskConf, new SystemClock(), mockHeartbeatHandler, appCtx, false, resource, createFakeContainerContext(), false);
    TezTaskAttemptID taskAttemptID = taImpl.getID();
    taImpl.handle(new TaskAttemptEventSchedule(taskAttemptID, 0, 0));
    taImpl.handle(new TaskAttemptEventSubmitted(taskAttemptID, contId));
    taImpl.handle(new TaskAttemptEventStartedRemotely(taskAttemptID));
    verify(mockHeartbeatHandler).register(taskAttemptID);
    taImpl.handle(new TaskAttemptEvent(taskAttemptID, TaskAttemptEventType.TA_DONE));
    assertEquals("Task attempt is not in succeeded state", taImpl.getState(), TaskAttemptState.SUCCEEDED);
    verify(mockHeartbeatHandler).unregister(taskAttemptID);
    int expectedEventsTillSucceeded = 8;
    ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
    ArgumentCaptor<DAGHistoryEvent> histArg = ArgumentCaptor.forClass(DAGHistoryEvent.class);
    verify(eventHandler, times(expectedEventsTillSucceeded)).handle(arg.capture());
    // start and finish
    verify(mockHistHandler, times(2)).handle(histArg.capture());
    DAGHistoryEvent histEvent = histArg.getValue();
    TaskAttemptFinishedEvent finishEvent = (TaskAttemptFinishedEvent) histEvent.getHistoryEvent();
    long finishTime = finishEvent.getFinishTime();
    verifyEventType(arg.getAllValues(), TaskEventTAUpdate.class, 2);
    InputReadErrorEvent mockReEvent = InputReadErrorEvent.create("", 0, 1);
    EventMetaData mockMeta = mock(EventMetaData.class);
    TezTaskAttemptID mockDestId1 = mock(TezTaskAttemptID.class);
    when(mockMeta.getTaskAttemptID()).thenReturn(mockDestId1);
    TezEvent tzEvent = new TezEvent(mockReEvent, mockMeta);
    taImpl.handle(new TaskAttemptEventOutputFailed(taskAttemptID, tzEvent, 11));
    // failure threshold not met. state is SUCCEEDED
    assertEquals("Task attempt is not in succeeded state", taImpl.getState(), TaskAttemptState.SUCCEEDED);
    // sending same error again doesnt change anything
    taImpl.handle(new TaskAttemptEventOutputFailed(taskAttemptID, tzEvent, 11));
    assertEquals("Task attempt is not in succeeded state", taImpl.getState(), TaskAttemptState.SUCCEEDED);
    // default value of error cause
    assertEquals(TaskAttemptTerminationCause.UNKNOWN_ERROR, taImpl.getTerminationCause());
    // different destination attempt reports error. now threshold crossed
    TezTaskAttemptID mockDestId2 = mock(TezTaskAttemptID.class);
    when(mockMeta.getTaskAttemptID()).thenReturn(mockDestId2);
    taImpl.handle(new TaskAttemptEventOutputFailed(taskAttemptID, tzEvent, 11));
    assertEquals("Task attempt is not in FAILED state", taImpl.getState(), TaskAttemptState.FAILED);
    assertEquals(TaskAttemptTerminationCause.OUTPUT_LOST, taImpl.getTerminationCause());
    // verify unregister is not invoked again
    verify(mockHeartbeatHandler, times(1)).unregister(taskAttemptID);
    verify(mockHistHandler, times(3)).handle(histArg.capture());
    histEvent = histArg.getValue();
    finishEvent = (TaskAttemptFinishedEvent) histEvent.getHistoryEvent();
    assertEquals(TaskFailureType.NON_FATAL, finishEvent.getTaskFailureType());
    long newFinishTime = finishEvent.getFinishTime();
    Assert.assertEquals(finishTime, newFinishTime);
    assertEquals(true, taImpl.inputFailedReported);
    int expectedEventsAfterFetchFailure = expectedEventsTillSucceeded + 2;
    arg.getAllValues().clear();
    verify(eventHandler, times(expectedEventsAfterFetchFailure)).handle(arg.capture());
    Event e = verifyEventType(arg.getAllValues().subList(expectedEventsTillSucceeded, expectedEventsAfterFetchFailure), TaskEventTAFailed.class, 1);
    TaskEventTAFailed failedEvent = (TaskEventTAFailed) e;
    assertEquals(TaskFailureType.NON_FATAL, failedEvent.getTaskFailureType());
    taImpl.handle(new TaskAttemptEventOutputFailed(taskAttemptID, tzEvent, 1));
    assertEquals("Task attempt is not in FAILED state, still", taImpl.getState(), TaskAttemptState.FAILED);
    assertFalse("InternalError occurred trying to handle TA_TOO_MANY_FETCH_FAILURES", eventHandler.internalError);
    // No new events.
    verify(eventHandler, times(expectedEventsAfterFetchFailure)).handle(arg.capture());
    taskConf.setInt(TezConfiguration.TEZ_TASK_MAX_ALLOWED_OUTPUT_FAILURES, 1);
    TezTaskID taskID2 = TezTaskID.getInstance(vertexID, 2);
    MockTaskAttemptImpl taImpl2 = new MockTaskAttemptImpl(taskID2, 1, eventHandler, taListener, taskConf, new SystemClock(), mockHeartbeatHandler, appCtx, false, resource, createFakeContainerContext(), false);
    TezTaskAttemptID taskAttemptID2 = taImpl2.getID();
    taImpl2.handle(new TaskAttemptEventSchedule(taskAttemptID2, 0, 0));
    taImpl2.handle(new TaskAttemptEventSubmitted(taskAttemptID2, contId));
    taImpl2.handle(new TaskAttemptEventStartedRemotely(taskAttemptID2));
    verify(mockHeartbeatHandler).register(taskAttemptID2);
    taImpl2.handle(new TaskAttemptEvent(taskAttemptID2, TaskAttemptEventType.TA_DONE));
    assertEquals("Task attempt is not in succeeded state", taImpl2.getState(), TaskAttemptState.SUCCEEDED);
    verify(mockHeartbeatHandler).unregister(taskAttemptID2);
    mockReEvent = InputReadErrorEvent.create("", 1, 1);
    mockMeta = mock(EventMetaData.class);
    mockDestId1 = mock(TezTaskAttemptID.class);
    when(mockMeta.getTaskAttemptID()).thenReturn(mockDestId1);
    tzEvent = new TezEvent(mockReEvent, mockMeta);
    // This should fail even when MAX_ALLOWED_OUTPUT_FAILURES_FRACTION is within limits, as
    // MAX_ALLOWED_OUTPUT_FAILURES has crossed the limit.
    taImpl2.handle(new TaskAttemptEventOutputFailed(taskAttemptID2, tzEvent, 8));
    assertEquals("Task attempt is not in failed state", taImpl2.getState(), TaskAttemptState.FAILED);
    assertEquals(TaskAttemptTerminationCause.OUTPUT_LOST, taImpl2.getTerminationCause());
    // verify unregister is not invoked again
    verify(mockHeartbeatHandler, times(1)).unregister(taskAttemptID2);
    Clock mockClock = mock(Clock.class);
    int readErrorTimespanSec = 1;
    taskConf.setInt(TezConfiguration.TEZ_TASK_MAX_ALLOWED_OUTPUT_FAILURES, 10);
    taskConf.setInt(TezConfiguration.TEZ_AM_MAX_ALLOWED_TIME_FOR_TASK_READ_ERROR_SEC, readErrorTimespanSec);
    TezTaskID taskID3 = TezTaskID.getInstance(vertexID, 3);
    MockTaskAttemptImpl taImpl3 = new MockTaskAttemptImpl(taskID3, 1, eventHandler, taListener, taskConf, mockClock, mockHeartbeatHandler, appCtx, false, resource, createFakeContainerContext(), false);
    TezTaskAttemptID taskAttemptID3 = taImpl3.getID();
    taImpl3.handle(new TaskAttemptEventSchedule(taskAttemptID3, 0, 0));
    taImpl3.handle(new TaskAttemptEventSubmitted(taskAttemptID3, contId));
    taImpl3.handle(new TaskAttemptEventStartedRemotely(taskAttemptID3));
    verify(mockHeartbeatHandler).register(taskAttemptID3);
    taImpl3.handle(new TaskAttemptEvent(taskAttemptID3, TaskAttemptEventType.TA_DONE));
    assertEquals("Task attempt is not in succeeded state", taImpl3.getState(), TaskAttemptState.SUCCEEDED);
    verify(mockHeartbeatHandler).unregister(taskAttemptID3);
    mockReEvent = InputReadErrorEvent.create("", 1, 1);
    mockMeta = mock(EventMetaData.class);
    mockDestId1 = mock(TezTaskAttemptID.class);
    when(mockMeta.getTaskAttemptID()).thenReturn(mockDestId1);
    tzEvent = new TezEvent(mockReEvent, mockMeta);
    when(mockClock.getTime()).thenReturn(1000L);
    // time deadline not exceeded for a couple of read error events
    taImpl3.handle(new TaskAttemptEventOutputFailed(taskAttemptID3, tzEvent, 1000));
    assertEquals("Task attempt is not in succeeded state", taImpl3.getState(), TaskAttemptState.SUCCEEDED);
    when(mockClock.getTime()).thenReturn(1500L);
    taImpl3.handle(new TaskAttemptEventOutputFailed(taskAttemptID3, tzEvent, 1000));
    assertEquals("Task attempt is not in succeeded state", taImpl3.getState(), TaskAttemptState.SUCCEEDED);
    // exceed the time threshold
    when(mockClock.getTime()).thenReturn(2001L);
    taImpl3.handle(new TaskAttemptEventOutputFailed(taskAttemptID3, tzEvent, 1000));
    assertEquals("Task attempt is not in FAILED state", taImpl3.getState(), TaskAttemptState.FAILED);
    assertEquals(TaskAttemptTerminationCause.OUTPUT_LOST, taImpl3.getTerminationCause());
    // verify unregister is not invoked again
    verify(mockHeartbeatHandler, times(1)).unregister(taskAttemptID3);
}