Example usage for com.amazonaws AmazonServiceException getErrorCode

List of usage examples for com.amazonaws AmazonServiceException getErrorCode

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Introduction

In this page you can find the example usage for com.amazonaws AmazonServiceException getErrorCode.

Prototype

public String getErrorCode()

Source Link

Document

Returns the AWS error code represented by this exception.

Usage

From source file:org.xmlsh.aws.gradle.ec2.AmazonEC2RevokeSecurityGroupIngressTask.java

License:BSD License

@TaskAction
public void revokeIngress() {
    // to enable conventionMappings feature
    String groupId = getGroupId();
    Object ipPermissions = getIpPermissions();

    if (groupId == null)
        throw new GradleException("groupId is not specified");
    if (ipPermissions == null)
        throw new GradleException("ipPermissions is not specified");

    AmazonEC2PluginExtension ext = getProject().getExtensions().getByType(AmazonEC2PluginExtension.class);
    AmazonEC2 ec2 = ext.getClient();//  www . j a  v a  2  s  .  c om

    try {
        ec2.revokeSecurityGroupIngress(new RevokeSecurityGroupIngressRequest().withGroupId(groupId)
                .withIpPermissions(parse(ipPermissions)));
    } catch (AmazonServiceException e) {
        if (e.getErrorCode().equals("InvalidPermission.NotFound")) {
            getLogger().warn(e.getMessage());
        } else {
            throw e;
        }
    }
}

From source file:org.xmlsh.aws.util.AWSCommand.java

License:BSD License

protected int handleException(AmazonServiceException e)
        throws InvalidArgumentException, XMLStreamException, SaxonApiException, CoreException, IOException {
    startResult();//w w  w . j a v a  2  s. co m
    startElement("service-exception");
    attribute("error-code", e.getErrorCode());
    attribute("error-message", e.getErrorMessage());
    attribute("service-name", e.getServiceName());
    attribute("request-id", e.getRequestId());
    attribute("status-code", e.getStatusCode());
    endElement();
    endResult();
    return e.getStatusCode();
}

From source file:org.zalando.stups.fullstop.plugin.SaveSecurityGroupsPlugin.java

License:Apache License

private List<String> listS3Objects(String bucketName, String prefix) {
    final List<String> commonPrefixes = Lists.newArrayList();

    AmazonS3Client s3client = new AmazonS3Client();

    try {/*from  w  w w . j a  va 2s .c o  m*/
        System.out.println("Listing objects");

        ListObjectsRequest listObjectsRequest = new ListObjectsRequest().withDelimiter("/")
                .withBucketName(bucketName).withPrefix(prefix);

        ObjectListing objectListing;

        do {
            objectListing = s3client.listObjects(listObjectsRequest);
            commonPrefixes.addAll(objectListing.getCommonPrefixes());
            for (S3ObjectSummary objectSummary : objectListing.getObjectSummaries()) {
                System.out.println(
                        " - " + objectSummary.getKey() + "  " + "(size = " + objectSummary.getSize() + ")");
            }
            listObjectsRequest.setMarker(objectListing.getNextMarker());
        } while (objectListing.isTruncated());

    } catch (AmazonServiceException ase) {
        System.out.println("Caught an AmazonServiceException, " + "which means your request made it "
                + "to Amazon S3, but was rejected with an error response " + "for some reason.");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, " + "which means the client encountered "
                + "an internal error while trying to communicate" + " with S3, "
                + "such as not being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
    }

    return commonPrefixes;
}

From source file:org.zalando.stups.fullstop.s3.S3Writer.java

License:Apache License

public void putObjectToS3(String bucket, String fileName, String keyName, ObjectMetadata metadata,
        InputStream stream) {/*  www .  j  a  v  a  2 s  .  c  o m*/
    AmazonS3 s3client = new AmazonS3Client();
    try {
        logger.info("Uploading a new object to S3 from a file");

        s3client.putObject(
                new PutObjectRequest(bucket, Paths.get(keyName, fileName).toString(), stream, metadata));

    } catch (AmazonServiceException ase) {
        logger.error("Caught an AmazonServiceException, which " + "means your request made it "
                + "to Amazon S3, but was rejected with an error response" + " for some reason.");
        logger.error("Error Message:    " + ase.getMessage());
        logger.error("HTTP Status Code: " + ase.getStatusCode());
        logger.error("AWS Error Code:   " + ase.getErrorCode());
        logger.error("Error Type:       " + ase.getErrorType());
        logger.error("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        logger.error("Caught an AmazonClientException, which " + "means the client encountered "
                + "an internal error while trying to " + "communicate with S3, "
                + "such as not being able to access the network.");
        logger.error("Error Message: " + ace.getMessage());
    }
}

From source file:oulib.aws.s3.S3TiffMetadataProcessorThread.java

@Override
public void run() {

    String sourceBucketName = bookInfo.getBucketSourceName();
    String targetBucketName = bookInfo.getBucketTargetName();
    String bookName = bookInfo.getBookName();

    String bucketFolder = S3Util.S3_TIFF_METADATA_PROCESS_OUTPUT + File.separator + sourceBucketName;
    File bucketFolderFile = new File(bucketFolder);
    if (!bucketFolderFile.exists() || !bucketFolderFile.isDirectory()) {
        bucketFolderFile.mkdirs();//from  w ww .j a  v a 2  s .co m
    }

    String bookPath = bucketFolder + File.separator + bookName;
    File bookFile = new File(bookPath);
    if (!bookFile.exists()) {
        bookFile.mkdir();
    }

    try {

        // Every book has a folder in the target bucket:
        Map targetBucketKeyMap = S3Util.getBucketObjectKeyMap(targetBucketName, bookName, s3client);
        if (!S3Util.folderExitsts(bookName, targetBucketKeyMap)) {
            S3Util.createFolder(targetBucketName, bookName, s3client);
        }

        for (String key : tiffList) {
            if (key.contains(".tif") && matchS3ObjKeyWithFilter(key, filter)
                    && targetBucketKeyMap.containsKey(key)
                    && !targetBucketKeyMap.containsKey(key.split(".tif")[0] + "-copied.tif")) {
                S3Object objectSource = s3client.getObject(new GetObjectRequest(sourceBucketName, key));
                S3Object objectTarget = s3client.getObject(new GetObjectRequest(targetBucketName, key));
                output += ("Start to copy metadata from the source object " + sourceBucketName + "/" + key
                        + " to target object " + targetBucketName + "/" + key + "\n");
                System.out.println("Start to copy metadata from the source object " + sourceBucketName + "/"
                        + key + " to target object " + targetBucketName + "/" + key + "\n");
                S3Util.copyS3ObjectTiffMetadata(s3client, objectSource, objectTarget);
                System.out.println("Finished copy metadata for the object with key=" + key + "\n");
                output += "Finished copy metadata for the object with key=" + key + "\n";
                try {
                    objectSource.close();
                    objectTarget.close();
                } catch (IOException ex) {
                    Logger.getLogger(S3TiffProcessorThread.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        }
        System.out.println(Thread.currentThread().getName() + "'s job is done!");

    } catch (AmazonServiceException ase) {
        output += "Caught an AmazonServiceException, which means your request made it to Amazon S3, but was rejected with an error response for some reason.\n";
        output += "Error Message:    " + ase.getMessage();
        output += "HTTP Status Code: " + ase.getStatusCode();
        output += "AWS Error Code:   " + ase.getErrorCode();
        output += "Error Type:       " + ase.getErrorType();
        output += "Request ID:       " + ase.getRequestId();
        System.out.println(
                "Caught an AmazonServiceException, which means your request made it to Amazon S3, but was rejected with an error response for some reason.\n");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        output += "Caught an AmazonClientException, which means the client encountered an internal error while trying to communicate with S3, \nsuch as not being able to access the network.\n";
        output += "Error Message: " + ace.getMessage();
        System.out.println(
                "Caught an AmazonClientException, which means the client encountered an internal error while trying to communicate with S3, \nsuch as not being able to access the network.\n");
        System.out.println("Error Message: " + ace.getMessage());
    } finally {
        outputToFile(bookPath + File.separator + filter + ".txt");
    }
}

From source file:oulib.aws.s3.S3TiffProcessor.java

/**
* 
* @param bookInfo : contains the information of the source bucket name, target bucket name, and the name of the book
* @param context : lambda function runtime context
* @return :/*from   w w w .  ja v  a 2 s.c  o m*/
* 
*/
@Override
public String handleRequest(S3BookInfo bookInfo, Context context) {

    AmazonS3 s3client = new AmazonS3Client();
    Region usEast = Region.getRegion(Regions.US_EAST_1);
    s3client.setRegion(usEast);

    try {
        String sourceBucketName = bookInfo.getBucketSourceName();
        String targetBucketName = bookInfo.getBucketTargetName();
        String bookName = bookInfo.getBookName();

        // Every book has a folder in the target bucket:
        Map targetBucketKeyMap = S3Util.getBucketObjectKeyMap(targetBucketName, bookName, s3client);
        if (!S3Util.folderExitsts(bookName, targetBucketKeyMap)) {
            S3Util.createFolder(targetBucketName, bookName, s3client);
        }

        final ListObjectsV2Request req = new ListObjectsV2Request().withBucketName(sourceBucketName)
                .withPrefix(bookName + "/data/");
        ListObjectsV2Result result;

        do {
            result = s3client.listObjectsV2(req);

            for (S3ObjectSummary objectSummary : result.getObjectSummaries()) {
                String key = objectSummary.getKey();
                if (key.endsWith(".tif") && !targetBucketKeyMap.containsKey(key + ".tif")) {
                    S3Object object = s3client.getObject(new GetObjectRequest(sourceBucketName, key));
                    System.out.println("Start to generate smaller tif image for the object " + key);
                    S3Util.generateSmallTiffWithTargetSize(s3client, object, targetBucketName,
                            bookInfo.getCompressionSize());
                    //                       S3Util.copyS3ObjectTiffMetadata(s3client, object, s3client.getObject(new GetObjectRequest(targetBucketName, key)), targetBucketName, key+".tif");
                    System.out.println("Finished to generate smaller tif image for the object " + key + ".tif");
                    //                       break;
                }
            }
            System.out.println("Next Continuation Token : " + result.getNextContinuationToken());
            req.setContinuationToken(result.getNextContinuationToken());
        } while (result.isTruncated() == true);

    } catch (AmazonServiceException ase) {
        System.out.println(
                "Caught an AmazonServiceException, which means your request made it to Amazon S3, but was rejected with an error response for some reason.");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        System.out.println(
                "Caught an AmazonClientException, which means the client encountered an internal error while trying to communicate with S3, \nsuch as not being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
    }
    return null;
}

From source file:oulib.aws.s3.S3TiffProcessorThread.java

@Override
public void run() {

    String sourceBucketName = bookInfo.getBucketSourceName();
    String targetBucketName = bookInfo.getBucketTargetName();
    String bookName = bookInfo.getBookName();

    String bucketFolder = S3Util.S3_SMALL_DERIVATIVE_OUTPUT + File.separator + sourceBucketName;
    File bucketFolderFile = new File(bucketFolder);
    if (!bucketFolderFile.exists() || !bucketFolderFile.isDirectory()) {
        bucketFolderFile.mkdirs();//from  w ww.  jav a 2  s  .  c o m
    }

    String bookPath = bucketFolder + File.separator + bookName;
    File bookFile = new File(bookPath);
    if (!bookFile.exists()) {
        bookFile.mkdir();
    }

    try {

        // Every book has a folder in the target bucket:
        Map targetBucketKeyMap = S3Util.getBucketObjectKeyMap(targetBucketName, bookName, s3client);
        if (!S3Util.folderExitsts(bookName, targetBucketKeyMap)) {
            S3Util.createFolder(targetBucketName, bookName, s3client);
        }

        //            final ListObjectsV2Request req = new ListObjectsV2Request().withBucketName(sourceBucketName).withPrefix(bookName + "/data/");
        //            ListObjectsV2Result result;

        //            do {               
        //                result = s3client.listObjectsV2(req);

        for (String key : tiffList) {
            //                    String key = objectSummary.getKey();
            //                    if(key.contains(".tif") && key.contains(filter) && !targetBucketKeyMap.containsKey(key+".tif")){
            if (key.contains(".tif") && matchS3ObjKeyWithFilter(key, filter)
                    && !targetBucketKeyMap.containsKey(key + ".tif")) {
                S3Object object = s3client.getObject(new GetObjectRequest(sourceBucketName, key));
                output += ("Start to generate smaller tif image for the object " + key + "\n");
                System.out.println("Start to generate smaller tif image for the object " + key + "\n");
                //                        System.out.println("Working on the object "+key);
                S3Util.generateSmallTiffWithTargetSize(s3client, object, targetBucketName,
                        bookInfo.getCompressionSize());
                //                   S3Util.copyS3ObjectTiffMetadata(s3client, object, s3client.getObject(new GetObjectRequest(targetBucketName, key)), targetBucketName, key+".tif");
                System.out.println("Finished to generate smaller tif image for the object " + key + "\n");
                output += "Finished to generate smaller tif image for the object " + key + "\n";
                try {
                    object.close();
                } catch (IOException ex) {
                    Logger.getLogger(S3TiffProcessorThread.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        }
        //                output += "Next Continuation Token : " + result.getNextContinuationToken();
        System.out.println(Thread.currentThread().getName() + "'s job is done!");
        //                req.setContinuationToken(result.getNextContinuationToken());
        //            } while(result.isTruncated() == true ); 

    } catch (AmazonServiceException ase) {
        output += "Caught an AmazonServiceException, which means your request made it to Amazon S3, but was rejected with an error response for some reason.\n";
        output += "Error Message:    " + ase.getMessage();
        output += "HTTP Status Code: " + ase.getStatusCode();
        output += "AWS Error Code:   " + ase.getErrorCode();
        output += "Error Type:       " + ase.getErrorType();
        output += "Request ID:       " + ase.getRequestId();
        System.out.println(
                "Caught an AmazonServiceException, which means your request made it to Amazon S3, but was rejected with an error response for some reason.\n");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        output += "Caught an AmazonClientException, which means the client encountered an internal error while trying to communicate with S3, \nsuch as not being able to access the network.\n";
        output += "Error Message: " + ace.getMessage();
        System.out.println(
                "Caught an AmazonClientException, which means the client encountered an internal error while trying to communicate with S3, \nsuch as not being able to access the network.\n");
        System.out.println("Error Message: " + ace.getMessage());
    } finally {
        outputToFile(bookPath + File.separator + filter + ".txt");
    }
}

From source file:oulib.aws.s3.S3Util.java

public static void generateTifDerivativesByS3Bucket(AmazonS3 s3client, S3BookInfo bookInfo) {

    String sourceBucketName = bookInfo.getBucketSourceName();
    String targetBucketName = bookInfo.getBucketTargetName();
    String bookName = bookInfo.getBookName();

    try {/*from w w w .ja v  a  2 s  . c om*/

        // Every book has a folder in the target bucket:
        Map targetBucketKeyMap = S3Util.getBucketObjectKeyMap(targetBucketName, bookName, s3client);
        if (!S3Util.folderExitsts(bookName, targetBucketKeyMap)) {
            S3Util.createFolder(targetBucketName, bookName, s3client);
        }

        final ListObjectsV2Request req = new ListObjectsV2Request().withBucketName(sourceBucketName)
                .withPrefix(bookName + "/data/");
        ListObjectsV2Result result;

        do {
            result = s3client.listObjectsV2(req);

            for (S3ObjectSummary objectSummary : result.getObjectSummaries()) {
                String key = objectSummary.getKey();
                if (key.contains(".tif") && (key.contains("047") || key.contains("049") || key.contains("054"))
                        && !targetBucketKeyMap.containsKey(key + ".tif")) {
                    S3Object object = s3client.getObject(new GetObjectRequest(sourceBucketName, key));
                    System.out.println("Start to generate smaller tif image for the object " + key + "\n");
                    S3Util.generateSmallTiffWithTargetSize(s3client, object, targetBucketName,
                            bookInfo.getCompressionSize());
                    //                   S3Util.copyS3ObjectTiffMetadata(s3client, object, s3client.getObject(new GetObjectRequest(targetBucketName, key)), targetBucketName, key+".tif");
                    System.out.println("Finished to generate smaller tif image for the object " + key + "\n");
                    //                   break;
                }
            }
            System.out.println("Next Continuation Token : " + result.getNextContinuationToken() + "\n");
            req.setContinuationToken(result.getNextContinuationToken());
        } while (result.isTruncated() == true);

    } catch (AmazonServiceException ase) {
        System.out.println(
                "Caught an AmazonServiceException, which means your request made it to Amazon S3, but was rejected with an error response for some reason.\n");
        System.out.println("Error Message:    " + ase.getMessage() + "\n");
        System.out.println("HTTP Status Code: " + ase.getStatusCode() + "\n");
        System.out.println("AWS Error Code:   " + ase.getErrorCode() + "\n");
        System.out.println("Error Type:       " + ase.getErrorType() + "\n");
        System.out.println("Request ID:       " + ase.getRequestId() + "\n");
    } catch (AmazonClientException ace) {
        System.out.println(
                "Caught an AmazonClientException, which means the client encountered an internal error while trying to communicate with S3, \nsuch as not being able to access the network.\n");
        System.out.println("Error Message: " + ace.getMessage() + "\n");
    }
}

From source file:pa3.RemoteClientSQS.java

License:Open Source License

public static void main(String[] args) throws Exception {

    initSQSandDynamoDB();//  w  w  w.  j av  a 2  s  .c o  m

    double startTime, endTime, totalTime;

    // String fileName =
    // "C:/Cloud/Assignment/LocalQueueAsst3/src/cloud/asst3/queue/10KSleepTasks.txt";
    // int noOfThreads = 16 ;
    // String localOrRemote = "REMOTE";
    // String clientOrWorker = "CLIENT";

    String fileName = args[4];
    String requestQueueName = "MyRequestQueue" + args[2];
    String responseQueueName = "MyResponseQueue" + args[2];
    String clientOrWorker = args[0];

    System.out.println("===========================================");
    System.out.println("Lets get started with Amazon SQS");
    System.out.println("===========================================\n");

    try {
        // Create a queue
        System.out.println("Creating a new SQS queue called MyRequestQueue.\n");
        CreateQueueRequest createRequestQueue = new CreateQueueRequest(requestQueueName);
        String myRequestQueueUrl = sqs.createQueue(createRequestQueue).getQueueUrl();

        System.out.println("Creating a new SQS queue called MyResponseQueue.\n");
        CreateQueueRequest createResponseQueue = new CreateQueueRequest(responseQueueName);
        String myResponseQueueUrl = sqs.createQueue(createResponseQueue).getQueueUrl();

        // List queues
        System.out.println("Listing all queues in your account.\n");
        for (String queueUrl : sqs.listQueues().getQueueUrls()) {
            System.out.println("  QueueUrl: " + queueUrl);
        }

        // Send a message
        System.out.println("Sending a message to " + requestQueueName);

        int taskID = 1;
        FileReader fileReader;
        BufferedReader bufferedReader = null;
        startTime = System.nanoTime();
        try {
            fileReader = new FileReader(fileName);
            bufferedReader = new BufferedReader(fileReader);
            String eachTaskLine = null;
            mySubmittedTasks = new ConcurrentHashMap<Integer, String>();

            while ((eachTaskLine = bufferedReader.readLine()) != null) {
                sqs.sendMessage(new SendMessageRequest(myRequestQueueUrl, taskID + " " + eachTaskLine));
                mySubmittedTasks.put(taskID, eachTaskLine);
                taskID++;
            }
            bufferedReader.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        System.out.println("Sent all the messages to " + requestQueueName);

        try {
            ReceiveMessageRequest receiveMessageRequest = new ReceiveMessageRequest(myResponseQueueUrl);
            receiveMessageRequest.setVisibilityTimeout(900);
            receiveMessageRequest.setWaitTimeSeconds(20);

            while (!mySubmittedTasks.isEmpty()) {
                List<Message> messages = sqs.receiveMessage(receiveMessageRequest).getMessages();
                for (Message message : messages) {
                    if (mySubmittedTasks.containsKey(Integer.parseInt(message.getBody().toString()))) {
                        mySubmittedTasks.remove(Integer.parseInt(message.getBody().toString()));
                        String messageReceiptHandle = message.getReceiptHandle();
                        sqs.deleteMessage(new DeleteMessageRequest(myResponseQueueUrl, messageReceiptHandle));
                    }
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        if (!mySubmittedTasks.isEmpty()) {
            System.out.println("Some tasks have failed");
        }
        endTime = System.nanoTime();
        totalTime = (endTime - startTime) / 1000000000.0;
        System.out.println("This is " + clientOrWorker.toUpperCase() + " running with workers.");
        System.out.println("Total time taken: " + totalTime);

        System.out.println("Received all the messages from MyResponseQueue.\n");

    } catch (AmazonServiceException ase) {
        System.out.println("Caught an AmazonServiceException, which means your request made it "
                + "to Amazon SQS, but was rejected with an error response for some reason.");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, which means the client encountered "
                + "a serious internal problem while trying to communicate with SQS, such as not "
                + "being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
    }
}

From source file:pa3.RemoteWorkerSQS.java

License:Open Source License

public static void main(String[] args) throws Exception {

    initSQSandDynamoDB();//from w  ww.j a v  a  2  s.  c  om
    try {

        String tableName = "PA3" + args[2];
        // Create table if it does not exist yet
        if (Tables.doesTableExist(dynamoDB, tableName)) {
            System.out.println("Table " + tableName + " is already ACTIVE");
        } else {
            // Create a table with a primary hash key named 'name', which
            // holds a string
            CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
                    .withKeySchema(new KeySchemaElement().withAttributeName("taskID").withKeyType(KeyType.HASH))
                    .withAttributeDefinitions(new AttributeDefinition().withAttributeName("taskID")
                            .withAttributeType(ScalarAttributeType.S))
                    .withProvisionedThroughput(
                            new ProvisionedThroughput().withReadCapacityUnits(1L).withWriteCapacityUnits(1L));
            TableDescription createdTableDescription = dynamoDB.createTable(createTableRequest)
                    .getTableDescription();
            System.out.println("Created Table: " + createdTableDescription);

            // Wait for it to become active
            System.out.println("Waiting for " + tableName + " to become ACTIVE...");
            Tables.awaitTableToBecomeActive(dynamoDB, tableName);
        }

        String noOfWorkers = args[4];
        String requestQueueName = "TaskQueue" + args[2];
        String responseQueueName = "TaskResponseQueue" + args[2];
        String clientOrWorker = args[0];

        // Create a queue
        //System.out.println("Accessing SQS queue: "+requestQueueName);
        String myRequestQueueUrl = sqs.createQueue(requestQueueName).getQueueUrl();

        //System.out.println("Creating a new SQS queue called MyResponseQueue.\n");
        String myResponseQueueUrl = sqs.createQueue(responseQueueName).getQueueUrl();

        // Receive the messages
        try {
            ReceiveMessageRequest receiveMessageRequest = new ReceiveMessageRequest(myRequestQueueUrl);
            receiveMessageRequest.setVisibilityTimeout(900);
            receiveMessageRequest.setWaitTimeSeconds(20);
            while (true) {
                List<Message> messages = sqs.receiveMessage(receiveMessageRequest).getMessages();
                // Throw exception when queue gets empty
                if (messages.isEmpty()) {
                    break;
                }
                for (Message message : messages) {
                    try {
                        String[] splitTask = message.getBody().split(" ");
                        //DynamoDB
                        Map<String, AttributeValue> item = newItem(splitTask[0]);
                        PutItemRequest putItemRequest = new PutItemRequest(tableName, item)
                                .withConditionExpression("attribute_not_exists(taskID)");
                        dynamoDB.putItem(putItemRequest);

                        //System.out.println(splitTask[0]+" : "+splitTask[2]);
                        // Execute Task
                        Thread.sleep(Long.parseLong(splitTask[2]));
                        sqs.sendMessage(new SendMessageRequest(myResponseQueueUrl, splitTask[0]));
                        // Delete the message
                        String messageReceiptHandle = message.getReceiptHandle();
                        sqs.deleteMessage(new DeleteMessageRequest(myRequestQueueUrl, messageReceiptHandle));

                    } catch (ConditionalCheckFailedException e) {
                        //e.printStackTrace();
                    }
                }
            }
        } catch (Exception ex) {
            //ex.printStackTrace();
        }

    } catch (AmazonServiceException ase) {
        System.out.println("Caught an AmazonServiceException, which means your request made it "
                + "to AWS, but was rejected with an error response for some reason.");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, which means the client encountered "
                + "a serious internal problem while trying to communicate with AWS, "
                + "such as not being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
    }

}