AWS Developer Tools Blog

Category: Java

Introducing CRT-based S3 Client and the S3 Transfer Manager in the AWS SDK for Java 2.x

We are excited to announce the general availability of two new features in the AWS SDK for Java 2.x that enable accelerated object transfer with Amazon Simple Storage Service (Amazon S3): An AWS Common Runtime (CRT)-based S3 SDK client, and the S3 Transfer Manager. The CRT-based S3 client allows you to transfer objects to and […]

Amazon CloudFront Signed URLs and Cookies are now supported in AWS SDK for Java 2.x

We are pleased to announce the general availability of Amazon CloudFront signed URLs and signed cookies in the AWS SDK for Java 2.x. You can now securely serve private content through CloudFront, requiring that your users access your content by using special CloudFront signed URLs or signed cookies. To configure your CloudFront distribution to use […]

Tuning Apache Kafka and Confluent Platform for Graviton2 using Amazon Corretto

Tuning Apache Kafka and Confluent Platform for Graviton2 using Amazon Corretto By Guest Blogger Liz Fong-Jones, Principal Developer Advocate, Honeycomb.io Background Honeycomb is a leading observability platform used by high-performance engineering teams to quickly visualize, analyze, and improve cloud application quality and performance. We utilize the OpenTelemetry standard to ingest data from our clients, including […]

Using atomic counters in the Enhanced DynamoDB AWS SDK for Java 2.x client

We are pleased to announce that users of the enhanced client for Amazon DynamoDB in AWS SDK for Java 2.x can now enable atomic counters, as well as add custom DynamoDB update expressions through the enhanced client extension framework. Customers have told us that they want improved performance and consistency when updating table records. The […]

Asynchronous Logging in Corretto 17

While working with an AWS service team to diagnose unexpected Garbage Collection (GC) pauses, the Amazon Corretto team discovered that applications were being throttled by I/O blocking while writing logs to disk. As a result, we decided to implement and contribute async-logging(JDK-8229517)) to OpenJDK 17. In this post, we’re going to explain how you can […]

Introducing Smart Configuration Defaults in the AWS SDK for Java v2

The default configuration in the AWS SDK for Java v2 just got smarter! We are pleased to announce a new SDK feature —⁠ smart configuration defaults in the AWS SDK for Java v2 (version 2.17.102 or later), which vends a set of predefined sensible default values tailored to common usage patterns. With this new opt-in […]

Announcing preview release for the generational mode to the Shenandoah GC

The Amazon Corretto team is excited to announce the preview release for the generational mode to the Shenandoah GC. This is a result of our collaboration with Red Hat on a significant GC contribution: the addition of a generational mode to traditional single generation Shenandoah. One of the primary advantages of Java is that the Java […]

Testing CDK Applications in Any Language

The AWS Cloud Development Kit (AWS CDK) is an open source software development framework to define your cloud application resources using familiar programming languages. Because the AWS CDK enables you to define your infrastructure in regular programming languages, you can also write automated unit tests for your infrastructure code, just like you do for your […]

Introducing Amazon S3 Transfer Manager in the AWS SDK for Java 2.x

We are pleased to announce the Developer Preview release of the Amazon S3 Transfer Manager – a high level file transfer utility for the Amazon Simple Storage Service (Amazon S3) in the AWS SDK for Java 2.x. Using Transfer Manager’s simple API, you can now perform accelerated uploads and downloads of objects to and from […]

The AWS SDK for Java 2.17 removes its external dependency on Jackson

We have released the AWS SDK for Java 2.17, which removes the SDK’s external dependency on the popular third-party JSON library, Jackson. This means that AWS SDK for Java 2.x no longer requires an external copy of Jackson-databind, Jackson-core, or Jackson-dataformat-cbor in order to function. This release does not change any of the public AWS […]