Category: Java

The first service call from an application that uses the AWS SDK for Java 2.x takes longer than subsequent calls. This problem is known as cold start. The new SDK client warm-up feature reduces cold-start latency. One call to SdkWarmUp.warmUp() during application startup exercises the SDK request path before your first service call. With AWS […]

Smithy Java client code generation is now generally available. You can use it to build type-safe, protocol-agnostic Java clients directly from Smithy models. With Smithy Java, serialization, protocol handling, and request/response lifecycles are all generated automatically from your model. This removes the need to write or maintain any of this code by hand. In this […]

The AWS SDK for Java 1.x (v1) entered maintenance mode on July 31, 2024, and will reach end-of-support on December 31, 2025. We recommend that you migrate to the AWS SDK for Java 2.x (v2) to access new features, enhanced performance, and continued support from AWS. To help you migrate efficiently, we’ve created a migration […]

The Amazon Corretto team delivers more than 75 OpenJDK bundles for various platforms and Java versions. These builds include the AWT and Swing UI libraries. Since a button needs to look like a button after a Java update, and even the smallest change can have a significant impact on how graphical elements are rendered, we […]

We are happy to announce GraalVM Native Image support for the AWS CRT (Common Runtime) package for Java starting with release 0.31.1. The AWS Java SDK picks up the update since version 2.28.7. Using AWS CRT with GraalVM Native Image in a demo app improved request times and both operational overhead and archive size were […]

The AWS SDK for Java currently maintains two major versions: 1.12.x and 2.x. Customers who use Java 8 or a newer version of Java may use either 2.x or 1.12.x of the SDK, and customers who use Java 7 may use 1.12.767 or earlier of the SDK. In July 2022, Oracle ended the service life […]

The AWS SDK for Java 1.x entered maintenance mode on July 31, 2024. We recommend that you migrate to the AWS SDK for Java 2.x to access new features, enhanced performance, and continued support from AWS. We understand our customers’ time is valuable, and we’ve heard customers want simpler ways to migrate. That’s why we […]

In alignment with our announcement in January and the SDKs and Tools Maintenance Policy, the AWS SDK for Java 1.x will no longer receive updates for new or existing services, and will not be updated to support new regions. Customers can use the AWS SDK for Java 2.x along-side the 1.x SDK to access new […]

In alignment with our SDKs and Tools Maintenance Policy, the AWS SDK for Java v1.x will enter maintenance mode on July 31, 2024, and reach end-of-support on December 31, 2025. Existing applications that use AWS SDK for Java v1.x will continue to function as intended, unless there is a fundamental change to how an AWS […]

You can now use AWS SDK for Java 2.x to easily retrieve instance metadata for an Amazon Elastic Compute Cloud (Amazon EC2) instance! We are pleased to announce the general availability of new Java SDK EC2 Instance Metadata Clients in the AWS SDK for Java 2.x (version 2.19.29 or later). You can use this new […]