What does the AWS SDK Java 2.x Apache HttpClient 5.6 update fix?

Kills JCL logging deps, adds Java 21 virtual thread support, brings active maintenance.

How to add AWS SDK Java Apache5 client dependency?

Maven: ` software.amazon.awssdk apache5-client `. Defaults kick in.

Is AWS SDK Java 2.x Apache HttpClient 5.6 async compatible?

No, sync only. Use Netty or AWS CRT for async.

AWS Drops Apache HttpClient 5.6 into Java SDK 2.x — Finally Killing Old Dependency Nightmares

Java devs, rejoice — or at least sigh in relief. AWS just GA'd an Apache HttpClient 5.6 upgrade in their SDK 2.x that nukes those pesky Jakarta Commons Logging alerts and unlocks Java 21's virtual threads without a fight.

theAIcatchup Apr 10, 2026 4 min read

AWS SDK for Java 2.x featuring Apache HttpClient 5.6 integration diagram

⚡ Key Takeaways

Ditches outdated JCL logging for SLF4J, easing modern framework integration. 𝕏
Unlocks Java 21 virtual threads for better concurrency without code changes. 𝕏
smoothly migration from Apache 4.5.x via one dependency swap. 𝕏

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#AWS SDK Java #AWS SDK Java 2.x #AWS migration #Apache HttpClient 5.6 #HTTP client migration #Java 21 #Java 21 Virtual Threads #SLF4J migration

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Originally reported by AWS Developer Blog

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