List of usage examples for org.apache.hadoop.yarn.api.records ApplicationId newInstance
@Public
@Unstable
public static ApplicationId newInstance(long clusterTimestamp, int id)
From source file:org.apache.tez.runtime.library.common.writers.TestUnorderedPartitionedKVWriter.java
License:Apache License
private void baseTest(int numRecords, int numPartitions, Set<Integer> skippedPartitions, boolean shouldCompress) throws IOException, InterruptedException { PartitionerForTest partitioner = new PartitionerForTest(); ApplicationId appId = ApplicationId.newInstance(10000, 1); TezCounters counters = new TezCounters(); String uniqueId = UUID.randomUUID().toString(); OutputContext outputContext = createMockOutputContext(counters, appId, uniqueId); Configuration conf = createConfiguration(outputContext, IntWritable.class, LongWritable.class, shouldCompress, -1);//from ww w. j ava2 s . c o m CompressionCodec codec = null; if (shouldCompress) { codec = new DefaultCodec(); ((Configurable) codec).setConf(conf); } int numOutputs = numPartitions; long availableMemory = 2048; int numRecordsWritten = 0; Map<Integer, Multimap<Integer, Long>> expectedValues = new HashMap<Integer, Multimap<Integer, Long>>(); for (int i = 0; i < numOutputs; i++) { expectedValues.put(i, LinkedListMultimap.<Integer, Long>create()); } UnorderedPartitionedKVWriter kvWriter = new UnorderedPartitionedKVWriterForTest(outputContext, conf, numOutputs, availableMemory); int sizePerBuffer = kvWriter.sizePerBuffer; int sizePerRecord = 4 + 8; // IntW + LongW int sizePerRecordWithOverhead = sizePerRecord + 12; // Record + META_OVERHEAD IntWritable intWritable = new IntWritable(); LongWritable longWritable = new LongWritable(); for (int i = 0; i < numRecords; i++) { intWritable.set(i); longWritable.set(i); int partition = partitioner.getPartition(intWritable, longWritable, numOutputs); if (skippedPartitions != null && skippedPartitions.contains(partition)) { continue; } expectedValues.get(partition).put(intWritable.get(), longWritable.get()); kvWriter.write(intWritable, longWritable); numRecordsWritten++; } List<Event> events = kvWriter.close(); int recordsPerBuffer = sizePerBuffer / sizePerRecordWithOverhead; int numExpectedSpills = numRecordsWritten / recordsPerBuffer; verify(outputContext, never()).fatalError(any(Throwable.class), any(String.class)); // Verify the status of the buffers if (numExpectedSpills == 0) { assertEquals(1, kvWriter.numInitializedBuffers); } else { assertTrue(kvWriter.numInitializedBuffers > 1); } assertNull(kvWriter.currentBuffer); assertEquals(0, kvWriter.availableBuffers.size()); // Verify the counters TezCounter outputRecordBytesCounter = counters.findCounter(TaskCounter.OUTPUT_BYTES); TezCounter outputRecordsCounter = counters.findCounter(TaskCounter.OUTPUT_RECORDS); TezCounter outputBytesWithOverheadCounter = counters.findCounter(TaskCounter.OUTPUT_BYTES_WITH_OVERHEAD); TezCounter fileOutputBytesCounter = counters.findCounter(TaskCounter.OUTPUT_BYTES_PHYSICAL); TezCounter spilledRecordsCounter = counters.findCounter(TaskCounter.SPILLED_RECORDS); TezCounter additionalSpillBytesWritternCounter = counters .findCounter(TaskCounter.ADDITIONAL_SPILLS_BYTES_WRITTEN); TezCounter additionalSpillBytesReadCounter = counters.findCounter(TaskCounter.ADDITIONAL_SPILLS_BYTES_READ); TezCounter numAdditionalSpillsCounter = counters.findCounter(TaskCounter.ADDITIONAL_SPILL_COUNT); assertEquals(numRecordsWritten * sizePerRecord, outputRecordBytesCounter.getValue()); assertEquals(numRecordsWritten, outputRecordsCounter.getValue()); assertEquals(numRecordsWritten * sizePerRecordWithOverhead, outputBytesWithOverheadCounter.getValue()); long fileOutputBytes = fileOutputBytesCounter.getValue(); if (numRecordsWritten > 0) { assertTrue(fileOutputBytes > 0); if (!shouldCompress) { assertTrue(fileOutputBytes > outputRecordBytesCounter.getValue()); } } else { assertEquals(0, fileOutputBytes); } assertEquals(recordsPerBuffer * numExpectedSpills, spilledRecordsCounter.getValue()); long additionalSpillBytesWritten = additionalSpillBytesWritternCounter.getValue(); long additionalSpillBytesRead = additionalSpillBytesReadCounter.getValue(); if (numExpectedSpills == 0) { assertEquals(0, additionalSpillBytesWritten); assertEquals(0, additionalSpillBytesRead); } else { assertTrue(additionalSpillBytesWritten > 0); assertTrue(additionalSpillBytesRead > 0); if (!shouldCompress) { assertTrue(additionalSpillBytesWritten > (recordsPerBuffer * numExpectedSpills * sizePerRecord)); assertTrue(additionalSpillBytesRead > (recordsPerBuffer * numExpectedSpills * sizePerRecord)); } } assertTrue(additionalSpillBytesWritten == additionalSpillBytesRead); assertEquals(numExpectedSpills, numAdditionalSpillsCounter.getValue()); BitSet emptyPartitionBits = null; // Verify the event returned assertEquals(1, events.size()); assertTrue(events.get(0) instanceof CompositeDataMovementEvent); CompositeDataMovementEvent cdme = (CompositeDataMovementEvent) events.get(0); assertEquals(0, cdme.getSourceIndexStart()); assertEquals(numOutputs, cdme.getCount()); DataMovementEventPayloadProto eventProto = DataMovementEventPayloadProto .parseFrom(ByteString.copyFrom(cdme.getUserPayload())); assertFalse(eventProto.hasData()); if (skippedPartitions == null && numRecordsWritten > 0) { assertFalse(eventProto.hasEmptyPartitions()); emptyPartitionBits = new BitSet(numPartitions); } else { assertTrue(eventProto.hasEmptyPartitions()); byte[] emptyPartitions = TezCommonUtils .decompressByteStringToByteArray(eventProto.getEmptyPartitions()); emptyPartitionBits = TezUtilsInternal.fromByteArray(emptyPartitions); if (numRecordsWritten == 0) { assertEquals(numPartitions, emptyPartitionBits.cardinality()); } else { for (Integer e : skippedPartitions) { assertTrue(emptyPartitionBits.get(e)); } assertEquals(skippedPartitions.size(), emptyPartitionBits.cardinality()); } } if (emptyPartitionBits.cardinality() != numPartitions) { assertEquals(HOST_STRING, eventProto.getHost()); assertEquals(SHUFFLE_PORT, eventProto.getPort()); assertEquals(uniqueId, eventProto.getPathComponent()); } else { assertFalse(eventProto.hasHost()); assertFalse(eventProto.hasPort()); assertFalse(eventProto.hasPathComponent()); } // Verify the actual data TezTaskOutput taskOutput = new TezTaskOutputFiles(conf, uniqueId); Path outputFilePath = kvWriter.finalOutPath; Path spillFilePath = kvWriter.finalIndexPath; if (numRecordsWritten > 0) { assertTrue(localFs.exists(outputFilePath)); assertTrue(localFs.exists(spillFilePath)); } else { return; } // Special case for 0 records. TezSpillRecord spillRecord = new TezSpillRecord(spillFilePath, conf); DataInputBuffer keyBuffer = new DataInputBuffer(); DataInputBuffer valBuffer = new DataInputBuffer(); IntWritable keyDeser = new IntWritable(); LongWritable valDeser = new LongWritable(); for (int i = 0; i < numOutputs; i++) { if (skippedPartitions != null && skippedPartitions.contains(i)) { continue; } TezIndexRecord indexRecord = spillRecord.getIndex(i); FSDataInputStream inStream = FileSystem.getLocal(conf).open(outputFilePath); inStream.seek(indexRecord.getStartOffset()); IFile.Reader reader = new IFile.Reader(inStream, indexRecord.getPartLength(), codec, null, null, false, 0, -1); while (reader.nextRawKey(keyBuffer)) { reader.nextRawValue(valBuffer); keyDeser.readFields(keyBuffer); valDeser.readFields(valBuffer); int partition = partitioner.getPartition(keyDeser, valDeser, numOutputs); assertTrue(expectedValues.get(partition).remove(keyDeser.get(), valDeser.get())); } inStream.close(); } for (int i = 0; i < numOutputs; i++) { assertEquals(0, expectedValues.get(i).size()); expectedValues.remove(i); } assertEquals(0, expectedValues.size()); }
From source file:org.apache.tez.runtime.library.shuffle.common.TestFetcher.java
License:Apache License
@Test(timeout = 3000) public void testLocalFetchModeSetting() throws Exception { TezConfiguration conf = new TezConfiguration(); conf.set(TezRuntimeConfiguration.TEZ_RUNTIME_OPTIMIZE_LOCAL_FETCH, "true"); EnvironmentUpdateUtils.put(ApplicationConstants.Environment.NM_HOST.toString(), HOST); InputAttemptIdentifier[] srcAttempts = { new InputAttemptIdentifier(0, 1, InputAttemptIdentifier.PATH_PREFIX + "pathComponent_1") }; FetcherCallback fetcherCallback = mock(FetcherCallback.class); Fetcher.FetcherBuilder builder = new Fetcher.FetcherBuilder(fetcherCallback, null, null, ApplicationId.newInstance(0, 1), null, "fetcherTest", conf, true); builder.assignWork(HOST, PORT, 0, Arrays.asList(srcAttempts)); Fetcher fetcher = spy(builder.build()); FetchResult fr = new FetchResult(HOST, PORT, 0, Arrays.asList(srcAttempts)); Fetcher.HostFetchResult hfr = new Fetcher.HostFetchResult(fr, srcAttempts, false); doReturn(hfr).when(fetcher).setupLocalDiskFetch(); doReturn(null).when(fetcher).doHttpFetch(); doNothing().when(fetcher).shutdown(); fetcher.call();// w w w. j a va 2s .c o m verify(fetcher).setupLocalDiskFetch(); verify(fetcher, never()).doHttpFetch(); // When disabled use http fetch conf.set(TezRuntimeConfiguration.TEZ_RUNTIME_OPTIMIZE_LOCAL_FETCH, "false"); builder = new Fetcher.FetcherBuilder(fetcherCallback, null, null, ApplicationId.newInstance(0, 1), null, "fetcherTest", conf, false); builder.assignWork(HOST, PORT, 0, Arrays.asList(srcAttempts)); fetcher = spy(builder.build()); doReturn(null).when(fetcher).setupLocalDiskFetch(); doReturn(hfr).when(fetcher).doHttpFetch(); doNothing().when(fetcher).shutdown(); fetcher.call(); verify(fetcher, never()).setupLocalDiskFetch(); verify(fetcher).doHttpFetch(); }
From source file:org.apache.tez.runtime.library.shuffle.common.TestFetcher.java
License:Apache License
@Test(timeout = 3000) public void testSetupLocalDiskFetch() throws Exception { InputAttemptIdentifier[] srcAttempts = { new InputAttemptIdentifier(0, 1, InputAttemptIdentifier.PATH_PREFIX + "pathComponent_0"), new InputAttemptIdentifier(1, 2, InputAttemptIdentifier.PATH_PREFIX + "pathComponent_1"), new InputAttemptIdentifier(2, 3, InputAttemptIdentifier.PATH_PREFIX + "pathComponent_2"), new InputAttemptIdentifier(3, 4, InputAttemptIdentifier.PATH_PREFIX + "pathComponent_3"), new InputAttemptIdentifier(4, 5, InputAttemptIdentifier.PATH_PREFIX + "pathComponent_4") }; final int FIRST_FAILED_ATTEMPT_IDX = 2; final int SECOND_FAILED_ATTEMPT_IDX = 4; final int[] sucessfulAttempts = { 0, 1, 3 }; TezConfiguration conf = new TezConfiguration(); conf.set(TezRuntimeConfiguration.TEZ_RUNTIME_OPTIMIZE_LOCAL_FETCH, "true"); EnvironmentUpdateUtils.put(ApplicationConstants.Environment.NM_HOST.toString(), HOST); int partition = 42; FetcherCallback callback = mock(FetcherCallback.class); Fetcher.FetcherBuilder builder = new Fetcher.FetcherBuilder(callback, null, null, ApplicationId.newInstance(0, 1), null, "fetcherTest", conf, true); builder.assignWork(HOST, PORT, partition, Arrays.asList(srcAttempts)); Fetcher fetcher = spy(builder.build()); doAnswer(new Answer<Path>() { @Override//from ww w . j a v a 2 s .c o m public Path answer(InvocationOnMock invocation) throws Throwable { Object[] args = invocation.getArguments(); return new Path(SHUFFLE_INPUT_FILE_PREFIX + args[0]); } }).when(fetcher).getShuffleInputFileName(anyString(), anyString()); doAnswer(new Answer<TezIndexRecord>() { @Override public TezIndexRecord answer(InvocationOnMock invocation) throws Throwable { Object[] args = invocation.getArguments(); InputAttemptIdentifier srcAttemptId = (InputAttemptIdentifier) args[0]; String pathComponent = srcAttemptId.getPathComponent(); int len = pathComponent.length(); long p = Long.valueOf(pathComponent.substring(len - 1, len)); // Fail the 3rd one and 5th one. if (p == FIRST_FAILED_ATTEMPT_IDX || p == SECOND_FAILED_ATTEMPT_IDX) { throw new IOException("failing on 3/5th input to simulate failure case"); } // match with params for copySucceeded below. return new TezIndexRecord(p * 10, p * 1000, p * 100); } }).when(fetcher).getTezIndexRecord(any(InputAttemptIdentifier.class)); doNothing().when(fetcher).shutdown(); doNothing().when(callback).fetchSucceeded(anyString(), any(InputAttemptIdentifier.class), any(FetchedInput.class), anyLong(), anyLong(), anyLong()); doNothing().when(callback).fetchFailed(anyString(), any(InputAttemptIdentifier.class), eq(false)); FetchResult fetchResult = fetcher.call(); verify(fetcher).setupLocalDiskFetch(); // expect 3 sucesses and 2 failures for (int i : sucessfulAttempts) { verifyFetchSucceeded(callback, srcAttempts[i], conf); } verify(callback).fetchFailed(eq(HOST), eq(srcAttempts[FIRST_FAILED_ATTEMPT_IDX]), eq(false)); verify(callback).fetchFailed(eq(HOST), eq(srcAttempts[SECOND_FAILED_ATTEMPT_IDX]), eq(false)); Assert.assertEquals("fetchResult host", fetchResult.getHost(), HOST); Assert.assertEquals("fetchResult partition", fetchResult.getPartition(), partition); Assert.assertEquals("fetchResult port", fetchResult.getPort(), PORT); // 3nd and 5th attempt failed List<InputAttemptIdentifier> pendingInputs = Lists.newArrayList(fetchResult.getPendingInputs()); Assert.assertEquals("fetchResult pendingInput size", pendingInputs.size(), 2); Assert.assertEquals("fetchResult failed attempt", pendingInputs.get(0), srcAttempts[FIRST_FAILED_ATTEMPT_IDX]); Assert.assertEquals("fetchResult failed attempt", pendingInputs.get(1), srcAttempts[SECOND_FAILED_ATTEMPT_IDX]); }
From source file:org.apache.tez.runtime.task.TestContainerExecution.java
License:Apache License
@Test(timeout = 5000) public void testGetTaskShouldDie() throws InterruptedException, ExecutionException { ListeningExecutorService executor = null; try {/* w w w . j a v a 2 s. c o m*/ ExecutorService rawExecutor = Executors.newFixedThreadPool(1); executor = MoreExecutors.listeningDecorator(rawExecutor); ApplicationId appId = ApplicationId.newInstance(10000, 1); ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 1); @SuppressWarnings("deprecation") ContainerId containerId = ContainerId.newInstance(appAttemptId, 1); TaskExecutionTestHelpers.TezTaskUmbilicalForTest umbilical = new TaskExecutionTestHelpers.TezTaskUmbilicalForTest(); ContainerContext containerContext = new ContainerContext(containerId.toString()); ContainerReporter containerReporter = new ContainerReporter(umbilical, containerContext, 100); ListenableFuture<ContainerTask> getTaskFuture = executor.submit(containerReporter); getTaskFuture.get(); assertEquals(1, umbilical.getTaskInvocations); } finally { executor.shutdownNow(); } }
From source file:org.apache.tez.runtime.task.TestTaskExecution.java
License:Apache License
@Test(timeout = 5000) public void testSingleSuccessfulTask() throws IOException, InterruptedException, TezException, ExecutionException { ListeningExecutorService executor = null; try {/*ww w .j a v a 2 s. co m*/ ExecutorService rawExecutor = Executors.newFixedThreadPool(1); executor = MoreExecutors.listeningDecorator(rawExecutor); ApplicationId appId = ApplicationId.newInstance(10000, 1); TezTaskUmbilicalForTest umbilical = new TezTaskUmbilicalForTest(); TaskReporter taskReporter = createTaskReporter(appId, umbilical); TezTaskRunner taskRunner = createTaskRunner(appId, umbilical, taskReporter, executor, TestProcessor.CONF_EMPTY); // Setup the executor Future<Boolean> taskRunnerFuture = taskExecutor.submit(new TaskRunnerCallable(taskRunner)); // Signal the processor to go through TestProcessor.signal(); boolean result = taskRunnerFuture.get(); assertTrue(result); assertNull(taskReporter.currentCallable); umbilical.verifyTaskSuccessEvent(); } finally { executor.shutdownNow(); } }
From source file:org.apache.tez.runtime.task.TestTaskExecution.java
License:Apache License
@Test(timeout = 5000) public void testMultipleSuccessfulTasks() throws IOException, InterruptedException, TezException, ExecutionException { ListeningExecutorService executor = null; try {/*from ww w .j ava2s . co m*/ ExecutorService rawExecutor = Executors.newFixedThreadPool(1); executor = MoreExecutors.listeningDecorator(rawExecutor); ApplicationId appId = ApplicationId.newInstance(10000, 1); TezTaskUmbilicalForTest umbilical = new TezTaskUmbilicalForTest(); TaskReporter taskReporter = createTaskReporter(appId, umbilical); TezTaskRunner taskRunner = createTaskRunner(appId, umbilical, taskReporter, executor, TestProcessor.CONF_EMPTY); // Setup the executor Future<Boolean> taskRunnerFuture = taskExecutor.submit(new TaskRunnerCallable(taskRunner)); // Signal the processor to go through TestProcessor.signal(); boolean result = taskRunnerFuture.get(); assertTrue(result); assertNull(taskReporter.currentCallable); umbilical.verifyTaskSuccessEvent(); umbilical.resetTrackedEvents(); taskRunner = createTaskRunner(appId, umbilical, taskReporter, executor, TestProcessor.CONF_EMPTY); // Setup the executor taskRunnerFuture = taskExecutor.submit(new TaskRunnerCallable(taskRunner)); // Signal the processor to go through TestProcessor.signal(); result = taskRunnerFuture.get(); assertTrue(result); assertNull(taskReporter.currentCallable); umbilical.verifyTaskSuccessEvent(); } finally { executor.shutdownNow(); } }
From source file:org.apache.tez.runtime.task.TestTaskExecution.java
License:Apache License
@Test(timeout = 5000) public void testFailedTask() throws IOException, InterruptedException, TezException { ListeningExecutorService executor = null; try {/*from w ww .j av a 2s . c om*/ ExecutorService rawExecutor = Executors.newFixedThreadPool(1); executor = MoreExecutors.listeningDecorator(rawExecutor); ApplicationId appId = ApplicationId.newInstance(10000, 1); TezTaskUmbilicalForTest umbilical = new TezTaskUmbilicalForTest(); TaskReporter taskReporter = createTaskReporter(appId, umbilical); TezTaskRunner taskRunner = createTaskRunner(appId, umbilical, taskReporter, executor, TestProcessor.CONF_THROW_TEZ_EXCEPTION); // Setup the executor Future<Boolean> taskRunnerFuture = taskExecutor.submit(new TaskRunnerCallable(taskRunner)); // Signal the processor to go through TestProcessor.awaitStart(); TestProcessor.signal(); try { taskRunnerFuture.get(); fail("Expecting the task to fail"); } catch (ExecutionException e) { Throwable cause = e.getCause(); LOG.info(cause.getClass().getName()); assertTrue(cause instanceof TezException); } assertNull(taskReporter.currentCallable); umbilical.verifyTaskFailedEvent( "Failure while running task:org.apache.tez.dag.api.TezException: TezException"); } finally { executor.shutdownNow(); } }
From source file:org.apache.tez.runtime.task.TestTaskExecution.java
License:Apache License
@Test(timeout = 5000) public void testFailedTask2() throws IOException, InterruptedException, TezException { ListeningExecutorService executor = null; try {//from w ww .ja v a 2 s . c o m ExecutorService rawExecutor = Executors.newFixedThreadPool(1); executor = MoreExecutors.listeningDecorator(rawExecutor); ApplicationId appId = ApplicationId.newInstance(10000, 1); TezTaskUmbilicalForTest umbilical = new TezTaskUmbilicalForTest(); TaskReporter taskReporter = createTaskReporter(appId, umbilical); TezTaskRunner taskRunner = createTaskRunner(appId, umbilical, taskReporter, executor, "NotExitedProcessor", TestProcessor.CONF_THROW_TEZ_EXCEPTION); // Setup the executor Future<Boolean> taskRunnerFuture = taskExecutor.submit(new TaskRunnerCallable(taskRunner)); try { taskRunnerFuture.get(); } catch (ExecutionException e) { Throwable cause = e.getCause(); LOG.info(cause.getClass().getName()); assertTrue(cause instanceof TezException); } assertNull(taskReporter.currentCallable); umbilical.verifyTaskFailedEvent( "Failure while running task:org.apache.tez.dag.api.TezUncheckedException: " + "Unable to load class: NotExitedProcessor"); } finally { executor.shutdownNow(); } }
From source file:org.apache.tez.runtime.task.TestTaskExecution.java
License:Apache License
@Test(timeout = 5000) public void testHeartbeatException() throws IOException, InterruptedException, TezException { ListeningExecutorService executor = null; try {//from w w w . j av a2 s.co m ExecutorService rawExecutor = Executors.newFixedThreadPool(1); executor = MoreExecutors.listeningDecorator(rawExecutor); ApplicationId appId = ApplicationId.newInstance(10000, 1); TezTaskUmbilicalForTest umbilical = new TezTaskUmbilicalForTest(); TaskReporter taskReporter = createTaskReporter(appId, umbilical); TezTaskRunner taskRunner = createTaskRunner(appId, umbilical, taskReporter, executor, TestProcessor.CONF_EMPTY); // Setup the executor Future<Boolean> taskRunnerFuture = taskExecutor.submit(new TaskRunnerCallable(taskRunner)); // Signal the processor to go through TestProcessor.awaitStart(); umbilical.signalThrowException(); umbilical.awaitRegisteredEvent(); // Not signaling an actual start to verify task interruption try { taskRunnerFuture.get(); fail("Expecting the task to fail"); } catch (ExecutionException e) { Throwable cause = e.getCause(); assertTrue(cause instanceof IOException); assertTrue(cause.getMessage().contains(HEARTBEAT_EXCEPTION_STRING)); } TestProcessor.awaitCompletion(); assertTrue(TestProcessor.wasInterrupted()); assertNull(taskReporter.currentCallable); // No completion events since umbilical communication already failed. umbilical.verifyNoCompletionEvents(); } finally { executor.shutdownNow(); } }
From source file:org.apache.tez.runtime.task.TestTaskExecution.java
License:Apache License
@Test(timeout = 5000) public void testHeartbeatShouldDie() throws IOException, InterruptedException, TezException, ExecutionException { ListeningExecutorService executor = null; try {//w w w . ja v a 2 s . c o m ExecutorService rawExecutor = Executors.newFixedThreadPool(1); executor = MoreExecutors.listeningDecorator(rawExecutor); ApplicationId appId = ApplicationId.newInstance(10000, 1); TezTaskUmbilicalForTest umbilical = new TezTaskUmbilicalForTest(); TaskReporter taskReporter = createTaskReporter(appId, umbilical); TezTaskRunner taskRunner = createTaskRunner(appId, umbilical, taskReporter, executor, TestProcessor.CONF_EMPTY); // Setup the executor Future<Boolean> taskRunnerFuture = taskExecutor.submit(new TaskRunnerCallable(taskRunner)); // Signal the processor to go through TestProcessor.awaitStart(); umbilical.signalSendShouldDie(); umbilical.awaitRegisteredEvent(); // Not signaling an actual start to verify task interruption boolean result = taskRunnerFuture.get(); assertFalse(result); TestProcessor.awaitCompletion(); assertTrue(TestProcessor.wasInterrupted()); assertNull(taskReporter.currentCallable); // TODO Is this statement correct ? // No completion events since shouldDie was requested by the AM, which should have killed the // task. umbilical.verifyNoCompletionEvents(); } finally { executor.shutdownNow(); } }