AWS Developer Blog

Tag: Java

Using Amazon SQS Dead Letter Queues

by Jason Fulghum | on | in Java | Permalink | Comments |  Share

Amazon SQS recently introduced support for dead letter queues. This feature is an important tool to help your applications consume messages from SQS queues in a more resilient way. Dead letter queues allow you to set a limit on the number of times a message in a queue is processed. Consider an application that consumes […]

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Performing Conditional Writes Using the Amazon DynamoDB Transaction Library

by Wade Matveyenko | on | in Java | Permalink | Comments |  Share

Today we’re lucky to have another guest post by David Yanacek from the Amazon DynamoDB team. David is sharing his deep knowledge on the Amazon DynamoDB Transactions library to help explain how to use it with the conditional writes feature of Amazon DynamoDB. The DynamoDB transaction library provides a convenient way to perform atomic reads […]

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Two New Amazon RDS Database Engines in Eclipse

We’re excited to announce support for two more Amazon RDS database engines in the AWS Toolkit for Eclipse. You can now configure connections to PostgreSQL and Microsoft SQL Server RDS database instances directly from within Eclipse by opening the AWS Explorer view and double-clicking on your RDS database instance. The first time you select your […]

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DynamoDB Local Test Tool Integration for Eclipse

We’re excited to announce that the AWS Toolkit for Eclipse now includes integration with the Amazon DynamoDB Local Test Tool. The DynamoDB Local Test Tool allows you to develop and test your application against a DynamoDB-compatible database running locally — no Internet connectivity or credit card required. When your application is ready for prime time, […]

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Taste of JMX Using the AWS SDK for Java

by Hanson Char | on | in Java | Permalink | Comments |  Share

As you may know, starting from Java 5, the JMX technology is available out-of-the-box to monitor and manage the Java VM.  It seems natural to wonder what it would be like to configure and modify the behavior of the AWS Java SDK via JMX in real time.  Imagine, for example, every configuration option related to […]

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Eclipse Support for AWS Elastic Beanstalk Worker Environment Tiers

A web application is typically concerned with quickly sending responses to incoming queries from its users. This model works really well for things like rendering a web page based on a couple of database queries or validating some user input and storing it to a database. The user makes a request to the application to […]

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Metric Configuration in AWS SDK for Java

by Hanson Char | on | in Java | Permalink | Comments |  Share

As we mentioned in an earlier blog, you can now enable the automatic generation of performance metrics when using the AWS SDK for Java, and have them automatically uploaded to Amazon CloudWatch for monitoring purposes. Sometimes, however, you may want to generate more fine-grained metrics, such as per-host and per-JVM metrics, that are not enabled […]

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New, Simplified Method Forms in the AWS SDK for Java

by Jason Fulghum | on | in Java | Permalink | Comments |  Share

We’re always looking for new ways to improve the tools our team builds, like the AWS SDK for Java and the AWS Toolkit for Eclipse. Sometimes those improvements come as brand new functionality, such as Amazon CloudWatch Metrics for the AWS SDK for Java, and sometimes they’re small tweaks to make the tools faster or […]

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Credentials Best Practices

by David Murray | on | in Java | Permalink | Comments |  Share

Introduction Your Amazon Web Services account is (we hope!) pretty important to you. Whether you’re running mission-critical applications that need to be protected from malicious interlopers, or you simply want to ensure that only the people you specify can bill resources to your AWS account, it is vital that you keep your account and its […]

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Enabling Metrics with the AWS SDK for Java

by Hanson Char | on | in Java | Permalink | Comments |  Share

Ever thought about generating metrics that measure your application’s performance on accessing AWS, and then having those metrics uploaded to Amazon CloudWatch for visualization or monitoring purposes ? How about generating performance metrics of your JVM’s when used against AWS ? Wouldn’t it be nice to capture and visualize metrics related to the runtime environment […]

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