Java Code Examples for org.apache.flink.runtime.testutils.MiniClusterResource#before()

The following examples show how to use org.apache.flink.runtime.testutils.MiniClusterResource#before() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: Flink-CEPplus   File: RollingSinkITCase.java    License: Apache License 2.0 6 votes vote down vote up
@BeforeClass
public static void setup() throws Exception {

	LOG.info("In RollingSinkITCase: Starting MiniDFSCluster ");

	dataDir = tempFolder.newFolder();

	conf.set(MiniDFSCluster.HDFS_MINIDFS_BASEDIR, dataDir.getAbsolutePath());
	MiniDFSCluster.Builder builder = new MiniDFSCluster.Builder(conf);
	hdfsCluster = builder.build();

	dfs = hdfsCluster.getFileSystem();

	hdfsURI = "hdfs://"
			+ NetUtils.hostAndPortToUrlString(hdfsCluster.getURI().getHost(), hdfsCluster.getNameNodePort())
			+ "/";

	miniClusterResource = new MiniClusterResource(
		new MiniClusterResourceConfiguration.Builder()
			.setNumberTaskManagers(1)
			.setNumberSlotsPerTaskManager(4)
			.build());

	miniClusterResource.before();
}
 
Example 2
Source Project: Flink-CEPplus   File: ClassLoaderITCase.java    License: Apache License 2.0 6 votes vote down vote up
@BeforeClass
public static void setUp() throws Exception {

	Configuration config = new Configuration();

	// we need to use the "filesystem" state backend to ensure FLINK-2543 is not happening again.
	config.setString(CheckpointingOptions.STATE_BACKEND, "filesystem");
	config.setString(CheckpointingOptions.CHECKPOINTS_DIRECTORY,
			FOLDER.newFolder().getAbsoluteFile().toURI().toString());

	// Savepoint path
	config.setString(CheckpointingOptions.SAVEPOINT_DIRECTORY,
			FOLDER.newFolder().getAbsoluteFile().toURI().toString());

	// required as we otherwise run out of memory
	config.setString(TaskManagerOptions.MANAGED_MEMORY_SIZE, "80m");

	miniClusterResource = new MiniClusterResource(
		new MiniClusterResourceConfiguration.Builder()
			.setNumberTaskManagers(2)
			.setNumberSlotsPerTaskManager(2)
			.setConfiguration(config)
			.build());

	miniClusterResource.before();
}
 
Example 3
@BeforeClass
public static void setup() throws Exception {
	blobBaseDir = TEMPORARY_FOLDER.newFolder();

	Configuration cfg = new Configuration();
	cfg.setString(BlobServerOptions.STORAGE_DIRECTORY, blobBaseDir.getAbsolutePath());
	cfg.setString(ConfigConstants.RESTART_STRATEGY, "fixeddelay");
	cfg.setInteger(ConfigConstants.RESTART_STRATEGY_FIXED_DELAY_ATTEMPTS, 1);
	// BLOBs are deleted from BlobCache between 1s and 2s after last reference
	// -> the BlobCache may still have the BLOB or not (let's test both cases randomly)
	cfg.setLong(BlobServerOptions.CLEANUP_INTERVAL, 1L);

	configuration = new UnmodifiableConfiguration(cfg);

	miniClusterResource = new MiniClusterResource(new MiniClusterResourceConfiguration.Builder()
		.setNumberSlotsPerTaskManager(2)
		.setNumberTaskManagers(1)
		.setConfiguration(configuration)
		.build());

	miniClusterResource.before();
}
 
Example 4
Source Project: flink   File: ClassLoaderITCase.java    License: Apache License 2.0 6 votes vote down vote up
@BeforeClass
public static void setUp() throws Exception {

	Configuration config = new Configuration();

	// we need to use the "filesystem" state backend to ensure FLINK-2543 is not happening again.
	config.setString(CheckpointingOptions.STATE_BACKEND, "filesystem");
	config.setString(CheckpointingOptions.CHECKPOINTS_DIRECTORY,
			FOLDER.newFolder().getAbsoluteFile().toURI().toString());

	// Savepoint path
	config.setString(CheckpointingOptions.SAVEPOINT_DIRECTORY,
			FOLDER.newFolder().getAbsoluteFile().toURI().toString());

	// required as we otherwise run out of memory
	config.setString(TaskManagerOptions.MANAGED_MEMORY_SIZE, "80m");

	miniClusterResource = new MiniClusterResource(
		new MiniClusterResourceConfiguration.Builder()
			.setNumberTaskManagers(2)
			.setNumberSlotsPerTaskManager(2)
			.setConfiguration(config)
			.build());

	miniClusterResource.before();
}
 
Example 5
Source Project: flink   File: BlobsCleanupITCase.java    License: Apache License 2.0 6 votes vote down vote up
@BeforeClass
public static void setup() throws Exception {
	blobBaseDir = TEMPORARY_FOLDER.newFolder();

	Configuration cfg = new Configuration();
	cfg.setString(BlobServerOptions.STORAGE_DIRECTORY, blobBaseDir.getAbsolutePath());
	cfg.setString(ConfigConstants.RESTART_STRATEGY, "fixeddelay");
	cfg.setInteger(ConfigConstants.RESTART_STRATEGY_FIXED_DELAY_ATTEMPTS, 1);
	// BLOBs are deleted from BlobCache between 1s and 2s after last reference
	// -> the BlobCache may still have the BLOB or not (let's test both cases randomly)
	cfg.setLong(BlobServerOptions.CLEANUP_INTERVAL, 1L);

	configuration = new UnmodifiableConfiguration(cfg);

	miniClusterResource = new MiniClusterResource(new MiniClusterResourceConfiguration.Builder()
		.setNumberSlotsPerTaskManager(2)
		.setNumberTaskManagers(1)
		.setConfiguration(configuration)
		.build());

	miniClusterResource.before();
}
 
Example 6
Source Project: flink   File: ClassLoaderITCase.java    License: Apache License 2.0 6 votes vote down vote up
@BeforeClass
public static void setUp() throws Exception {

	Configuration config = new Configuration();

	// we need to use the "filesystem" state backend to ensure FLINK-2543 is not happening again.
	config.setString(CheckpointingOptions.STATE_BACKEND, "filesystem");
	config.setString(CheckpointingOptions.CHECKPOINTS_DIRECTORY,
			FOLDER.newFolder().getAbsoluteFile().toURI().toString());

	// Savepoint path
	config.setString(CheckpointingOptions.SAVEPOINT_DIRECTORY,
			FOLDER.newFolder().getAbsoluteFile().toURI().toString());

	// required as we otherwise run out of memory
	config.set(TaskManagerOptions.MANAGED_MEMORY_SIZE, MemorySize.parse("80m"));

	miniClusterResource = new MiniClusterResource(
		new MiniClusterResourceConfiguration.Builder()
			.setNumberTaskManagers(2)
			.setNumberSlotsPerTaskManager(2)
			.setConfiguration(config)
			.build());

	miniClusterResource.before();
}
 
Example 7
Source Project: flink   File: BlobsCleanupITCase.java    License: Apache License 2.0 6 votes vote down vote up
@BeforeClass
public static void setup() throws Exception {
	blobBaseDir = TEMPORARY_FOLDER.newFolder();

	Configuration cfg = new Configuration();
	cfg.setString(BlobServerOptions.STORAGE_DIRECTORY, blobBaseDir.getAbsolutePath());
	cfg.setString(RestartStrategyOptions.RESTART_STRATEGY, "fixeddelay");
	cfg.setInteger(RestartStrategyOptions.RESTART_STRATEGY_FIXED_DELAY_ATTEMPTS, 1);
	// BLOBs are deleted from BlobCache between 1s and 2s after last reference
	// -> the BlobCache may still have the BLOB or not (let's test both cases randomly)
	cfg.setLong(BlobServerOptions.CLEANUP_INTERVAL, 1L);

	configuration = new UnmodifiableConfiguration(cfg);

	miniClusterResource = new MiniClusterResource(new MiniClusterResourceConfiguration.Builder()
		.setNumberSlotsPerTaskManager(2)
		.setNumberTaskManagers(1)
		.setConfiguration(configuration)
		.build());

	miniClusterResource.before();
}
 
Example 8
public static void main(String[] args) throws Exception {
	final ParameterTool pt = ParameterTool.fromArgs(args);
	LOG.info("Starting exactly once test");

	final String streamName = "flink-test-" + UUID.randomUUID().toString();
	final String accessKey = pt.getRequired("accessKey");
	final String secretKey = pt.getRequired("secretKey");
	final String region = pt.getRequired("region");

	Properties configProps = new Properties();
	configProps.setProperty(AWSConfigConstants.AWS_ACCESS_KEY_ID, accessKey);
	configProps.setProperty(AWSConfigConstants.AWS_SECRET_ACCESS_KEY, secretKey);
	configProps.setProperty(AWSConfigConstants.AWS_REGION, region);
	AmazonKinesis client = AWSUtil.createKinesisClient(configProps);

	// create a stream for the test:
	client.createStream(streamName, 1);

	// wait until stream has been created
	DescribeStreamResult status = client.describeStream(streamName);
	LOG.info("status {}" , status);
	while (!status.getStreamDescription().getStreamStatus().equals("ACTIVE")) {
		status = client.describeStream(streamName);
		LOG.info("Status of stream {}", status);
		Thread.sleep(1000);
	}

	final Configuration flinkConfig = new Configuration();
	flinkConfig.setString(TaskManagerOptions.MANAGED_MEMORY_SIZE, "16m");
	flinkConfig.setString(ConfigConstants.RESTART_STRATEGY_FIXED_DELAY_DELAY, "0 s");

	MiniClusterResource flink = new MiniClusterResource(new MiniClusterResourceConfiguration.Builder()
		.setNumberTaskManagers(1)
		.setNumberSlotsPerTaskManager(8)
		.setConfiguration(flinkConfig)
		.build());
	flink.before();

	final int flinkPort = flink.getRestAddres().getPort();

	try {
		final AtomicReference<Throwable> producerError = new AtomicReference<>();
		Thread producerThread = KinesisEventsGeneratorProducerThread.create(
			TOTAL_EVENT_COUNT, 2,
			accessKey, secretKey, region, streamName,
			producerError, flinkPort, flinkConfig);
		producerThread.start();

		final AtomicReference<Throwable> consumerError = new AtomicReference<>();
		Thread consumerThread = ExactlyOnceValidatingConsumerThread.create(
			TOTAL_EVENT_COUNT, 200, 2, 500, 500,
			accessKey, secretKey, region, streamName,
			consumerError, flinkPort, flinkConfig);
		consumerThread.start();

		boolean deadlinePassed = false;
		long deadline = System.currentTimeMillis() + (1000 * 2 * 60); // wait at most for two minutes
		// wait until both producer and consumer finishes, or an unexpected error is thrown
		while ((consumerThread.isAlive() || producerThread.isAlive()) &&
			(producerError.get() == null && consumerError.get() == null)) {
			Thread.sleep(1000);
			if (System.currentTimeMillis() >= deadline) {
				LOG.warn("Deadline passed");
				deadlinePassed = true;
				break; // enough waiting
			}
		}

		if (producerThread.isAlive()) {
			producerThread.interrupt();
		}

		if (consumerThread.isAlive()) {
			consumerThread.interrupt();
		}

		if (producerError.get() != null) {
			LOG.info("+++ TEST failed! +++");
			throw new RuntimeException("Producer failed", producerError.get());
		}
		if (consumerError.get() != null) {
			LOG.info("+++ TEST failed! +++");
			throw new RuntimeException("Consumer failed", consumerError.get());
		}

		if (!deadlinePassed) {
			LOG.info("+++ TEST passed! +++");
		} else {
			LOG.info("+++ TEST failed! +++");
		}

	} finally {
		client.deleteStream(streamName);
		client.shutdown();

		// stopping flink
		flink.after();
	}
}
 
Example 9
@BeforeClass
public static void setup() throws Exception {

	skipIfHadoopVersionIsNotAppropriate();

	LOG.info("starting secure cluster environment for testing");

	dataDir = tempFolder.newFolder();

	conf.set(MiniDFSCluster.HDFS_MINIDFS_BASEDIR, dataDir.getAbsolutePath());

	SecureTestEnvironment.prepare(tempFolder);

	populateSecureConfigurations();

	Configuration flinkConfig = new Configuration();
	flinkConfig.setString(SecurityOptions.KERBEROS_LOGIN_KEYTAB,
			SecureTestEnvironment.getTestKeytab());
	flinkConfig.setString(SecurityOptions.KERBEROS_LOGIN_PRINCIPAL,
			SecureTestEnvironment.getHadoopServicePrincipal());

	SecurityConfiguration ctx =
		new SecurityConfiguration(
			flinkConfig,
			Collections.singletonList(securityConfig -> new HadoopModule(securityConfig, conf)));
	try {
		TestingSecurityContext.install(ctx, SecureTestEnvironment.getClientSecurityConfigurationMap());
	} catch (Exception e) {
		throw new RuntimeException("Exception occurred while setting up secure test context. Reason: {}", e);
	}

	File hdfsSiteXML = new File(dataDir.getAbsolutePath() + "/hdfs-site.xml");

	FileWriter writer = new FileWriter(hdfsSiteXML);
	conf.writeXml(writer);
	writer.flush();
	writer.close();

	Map<String, String> map = new HashMap<String, String>(System.getenv());
	map.put("HADOOP_CONF_DIR", hdfsSiteXML.getParentFile().getAbsolutePath());
	TestBaseUtils.setEnv(map);

	MiniDFSCluster.Builder builder = new MiniDFSCluster.Builder(conf);
	builder.checkDataNodeAddrConfig(true);
	builder.checkDataNodeHostConfig(true);
	hdfsCluster = builder.build();

	dfs = hdfsCluster.getFileSystem();

	hdfsURI = "hdfs://"
			+ NetUtils.hostAndPortToUrlString(hdfsCluster.getURI().getHost(), hdfsCluster.getNameNodePort())
			+ "/";

	Configuration configuration = startSecureFlinkClusterWithRecoveryModeEnabled();

	miniClusterResource = new MiniClusterResource(
		new MiniClusterResourceConfiguration.Builder()
			.setConfiguration(configuration)
			.setNumberTaskManagers(1)
			.setNumberSlotsPerTaskManager(4)
			.build());

	miniClusterResource.before();
}
 
Example 10
Source Project: Flink-CEPplus   File: JarRunHandlerTest.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRunJar() throws Exception {
	Path uploadDir = TMP.newFolder().toPath();

	Path actualUploadDir = uploadDir.resolve("flink-web-upload");
	Files.createDirectory(actualUploadDir);

	Path emptyJar = actualUploadDir.resolve("empty.jar");
	Files.createFile(emptyJar);

	Configuration config = new Configuration();
	config.setString(WebOptions.UPLOAD_DIR, uploadDir.toString());

	MiniClusterResource clusterResource = new MiniClusterResource(
		new MiniClusterResourceConfiguration.Builder()
			.setConfiguration(config)
			.setNumberTaskManagers(1)
			.setNumberSlotsPerTaskManager(1)
			.build());
	clusterResource.before();

	try {
		Configuration clientConfig = clusterResource.getClientConfiguration();
		RestClient client = new RestClient(RestClientConfiguration.fromConfiguration(clientConfig), TestingUtils.defaultExecutor());

		try {
			JarRunHeaders headers = JarRunHeaders.getInstance();
			JarRunMessageParameters parameters = headers.getUnresolvedMessageParameters();
			parameters.jarIdPathParameter.resolve(emptyJar.getFileName().toString());

			String host = clientConfig.getString(RestOptions.ADDRESS);
			int port = clientConfig.getInteger(RestOptions.PORT);

			try {
				client.sendRequest(host, port, headers, parameters, new JarRunRequestBody())
					.get();
			} catch (Exception e) {
				Optional<RestClientException> expected = ExceptionUtils.findThrowable(e, RestClientException.class);
				if (expected.isPresent()) {
					// implies the job was actually submitted
					assertTrue(expected.get().getMessage().contains("ProgramInvocationException"));
					// original cause is preserved in stack trace
					assertThat(expected.get().getMessage(), containsString("ZipException"));
					// implies the jar was registered for the job graph (otherwise the jar name would not occur in the exception)
					// implies the jar was uploaded (otherwise the file would not be found at all)
					assertTrue(expected.get().getMessage().contains("empty.jar'. zip file is empty"));
				} else {
					throw e;
				}
			}
		} finally {
			client.shutdown(Time.milliseconds(10));
		}
	} finally {
		clusterResource.after();
	}
}
 
Example 11
Source Project: flink   File: ManualExactlyOnceTest.java    License: Apache License 2.0 4 votes vote down vote up
public static void main(String[] args) throws Exception {
	final ParameterTool pt = ParameterTool.fromArgs(args);
	LOG.info("Starting exactly once test");

	final String streamName = "flink-test-" + UUID.randomUUID().toString();
	final String accessKey = pt.getRequired("accessKey");
	final String secretKey = pt.getRequired("secretKey");
	final String region = pt.getRequired("region");

	Properties configProps = new Properties();
	configProps.setProperty(AWSConfigConstants.AWS_ACCESS_KEY_ID, accessKey);
	configProps.setProperty(AWSConfigConstants.AWS_SECRET_ACCESS_KEY, secretKey);
	configProps.setProperty(AWSConfigConstants.AWS_REGION, region);
	AmazonKinesis client = AWSUtil.createKinesisClient(configProps);

	// create a stream for the test:
	client.createStream(streamName, 1);

	// wait until stream has been created
	DescribeStreamResult status = client.describeStream(streamName);
	LOG.info("status {}" , status);
	while (!status.getStreamDescription().getStreamStatus().equals("ACTIVE")) {
		status = client.describeStream(streamName);
		LOG.info("Status of stream {}", status);
		Thread.sleep(1000);
	}

	final Configuration flinkConfig = new Configuration();
	flinkConfig.setString(TaskManagerOptions.MANAGED_MEMORY_SIZE, "16m");
	flinkConfig.setString(ConfigConstants.RESTART_STRATEGY_FIXED_DELAY_DELAY, "0 s");

	MiniClusterResource flink = new MiniClusterResource(new MiniClusterResourceConfiguration.Builder()
		.setNumberTaskManagers(1)
		.setNumberSlotsPerTaskManager(8)
		.setConfiguration(flinkConfig)
		.build());
	flink.before();

	final int flinkPort = flink.getRestAddres().getPort();

	try {
		final AtomicReference<Throwable> producerError = new AtomicReference<>();
		Thread producerThread = KinesisEventsGeneratorProducerThread.create(
			TOTAL_EVENT_COUNT, 2,
			accessKey, secretKey, region, streamName,
			producerError, flinkPort, flinkConfig);
		producerThread.start();

		final AtomicReference<Throwable> consumerError = new AtomicReference<>();
		Thread consumerThread = ExactlyOnceValidatingConsumerThread.create(
			TOTAL_EVENT_COUNT, 200, 2, 500, 500,
			accessKey, secretKey, region, streamName,
			consumerError, flinkPort, flinkConfig);
		consumerThread.start();

		boolean deadlinePassed = false;
		long deadline = System.currentTimeMillis() + (1000 * 2 * 60); // wait at most for two minutes
		// wait until both producer and consumer finishes, or an unexpected error is thrown
		while ((consumerThread.isAlive() || producerThread.isAlive()) &&
			(producerError.get() == null && consumerError.get() == null)) {
			Thread.sleep(1000);
			if (System.currentTimeMillis() >= deadline) {
				LOG.warn("Deadline passed");
				deadlinePassed = true;
				break; // enough waiting
			}
		}

		if (producerThread.isAlive()) {
			producerThread.interrupt();
		}

		if (consumerThread.isAlive()) {
			consumerThread.interrupt();
		}

		if (producerError.get() != null) {
			LOG.info("+++ TEST failed! +++");
			throw new RuntimeException("Producer failed", producerError.get());
		}
		if (consumerError.get() != null) {
			LOG.info("+++ TEST failed! +++");
			throw new RuntimeException("Consumer failed", consumerError.get());
		}

		if (!deadlinePassed) {
			LOG.info("+++ TEST passed! +++");
		} else {
			LOG.info("+++ TEST failed! +++");
		}

	} finally {
		client.deleteStream(streamName);
		client.shutdown();

		// stopping flink
		flink.after();
	}
}
 
Example 12
Source Project: flink   File: JarRunHandlerTest.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRunJar() throws Exception {
	Path uploadDir = TMP.newFolder().toPath();

	Path actualUploadDir = uploadDir.resolve("flink-web-upload");
	Files.createDirectory(actualUploadDir);

	Path emptyJar = actualUploadDir.resolve("empty.jar");
	Files.createFile(emptyJar);

	Configuration config = new Configuration();
	config.setString(WebOptions.UPLOAD_DIR, uploadDir.toString());

	MiniClusterResource clusterResource = new MiniClusterResource(
		new MiniClusterResourceConfiguration.Builder()
			.setConfiguration(config)
			.setNumberTaskManagers(1)
			.setNumberSlotsPerTaskManager(1)
			.build());
	clusterResource.before();

	try {
		Configuration clientConfig = clusterResource.getClientConfiguration();
		RestClient client = new RestClient(RestClientConfiguration.fromConfiguration(clientConfig), TestingUtils.defaultExecutor());

		try {
			JarRunHeaders headers = JarRunHeaders.getInstance();
			JarRunMessageParameters parameters = headers.getUnresolvedMessageParameters();
			parameters.jarIdPathParameter.resolve(emptyJar.getFileName().toString());

			String host = clientConfig.getString(RestOptions.ADDRESS);
			int port = clientConfig.getInteger(RestOptions.PORT);

			try {
				client.sendRequest(host, port, headers, parameters, new JarRunRequestBody())
					.get();
			} catch (Exception e) {
				Optional<RestClientException> expected = ExceptionUtils.findThrowable(e, RestClientException.class);
				if (expected.isPresent()) {
					// implies the job was actually submitted
					assertTrue(expected.get().getMessage().contains("ProgramInvocationException"));
					// original cause is preserved in stack trace
					assertThat(expected.get().getMessage(), containsString("ZipException: zip file is empty"));
					// implies the jar was registered for the job graph (otherwise the jar name would not occur in the exception)
					// implies the jar was uploaded (otherwise the file would not be found at all)
					assertTrue(expected.get().getMessage().contains("empty.jar"));
				} else {
					throw e;
				}
			}
		} finally {
			client.shutdown(Time.milliseconds(10));
		}
	} finally {
		clusterResource.after();
	}
}
 
Example 13
Source Project: flink   File: ManualExactlyOnceTest.java    License: Apache License 2.0 4 votes vote down vote up
public static void main(String[] args) throws Exception {
	final ParameterTool pt = ParameterTool.fromArgs(args);
	LOG.info("Starting exactly once test");

	final String streamName = "flink-test-" + UUID.randomUUID().toString();
	final String accessKey = pt.getRequired("accessKey");
	final String secretKey = pt.getRequired("secretKey");
	final String region = pt.getRequired("region");

	Properties configProps = new Properties();
	configProps.setProperty(AWSConfigConstants.AWS_ACCESS_KEY_ID, accessKey);
	configProps.setProperty(AWSConfigConstants.AWS_SECRET_ACCESS_KEY, secretKey);
	configProps.setProperty(AWSConfigConstants.AWS_REGION, region);
	AmazonKinesis client = AWSUtil.createKinesisClient(configProps);

	// create a stream for the test:
	client.createStream(streamName, 1);

	// wait until stream has been created
	DescribeStreamResult status = client.describeStream(streamName);
	LOG.info("status {}" , status);
	while (!status.getStreamDescription().getStreamStatus().equals("ACTIVE")) {
		status = client.describeStream(streamName);
		LOG.info("Status of stream {}", status);
		Thread.sleep(1000);
	}

	final Configuration flinkConfig = new Configuration();
	flinkConfig.set(TaskManagerOptions.MANAGED_MEMORY_SIZE, MemorySize.parse("16m"));
	flinkConfig.setString(ConfigConstants.RESTART_STRATEGY_FIXED_DELAY_DELAY, "0 s");

	MiniClusterResource flink = new MiniClusterResource(new MiniClusterResourceConfiguration.Builder()
		.setNumberTaskManagers(1)
		.setNumberSlotsPerTaskManager(8)
		.setConfiguration(flinkConfig)
		.build());
	flink.before();

	final int flinkPort = flink.getRestAddres().getPort();

	try {
		final AtomicReference<Throwable> producerError = new AtomicReference<>();
		Thread producerThread = KinesisEventsGeneratorProducerThread.create(
			TOTAL_EVENT_COUNT, 2,
			accessKey, secretKey, region, streamName,
			producerError, flinkPort, flinkConfig);
		producerThread.start();

		final AtomicReference<Throwable> consumerError = new AtomicReference<>();
		Thread consumerThread = ExactlyOnceValidatingConsumerThread.create(
			TOTAL_EVENT_COUNT, 200, 2, 500, 500,
			accessKey, secretKey, region, streamName,
			consumerError, flinkPort, flinkConfig);
		consumerThread.start();

		boolean deadlinePassed = false;
		long deadline = System.currentTimeMillis() + (1000 * 2 * 60); // wait at most for two minutes
		// wait until both producer and consumer finishes, or an unexpected error is thrown
		while ((consumerThread.isAlive() || producerThread.isAlive()) &&
			(producerError.get() == null && consumerError.get() == null)) {
			Thread.sleep(1000);
			if (System.currentTimeMillis() >= deadline) {
				LOG.warn("Deadline passed");
				deadlinePassed = true;
				break; // enough waiting
			}
		}

		if (producerThread.isAlive()) {
			producerThread.interrupt();
		}

		if (consumerThread.isAlive()) {
			consumerThread.interrupt();
		}

		if (producerError.get() != null) {
			LOG.info("+++ TEST failed! +++");
			throw new RuntimeException("Producer failed", producerError.get());
		}
		if (consumerError.get() != null) {
			LOG.info("+++ TEST failed! +++");
			throw new RuntimeException("Consumer failed", consumerError.get());
		}

		if (!deadlinePassed) {
			LOG.info("+++ TEST passed! +++");
		} else {
			LOG.info("+++ TEST failed! +++");
		}

	} finally {
		client.deleteStream(streamName);
		client.shutdown();

		// stopping flink
		flink.after();
	}
}