
AWS SDK for Java 2.x now supports S3 cross-region access, allowing developers to seamlessly access S3 buckets across different AWS regions using a single client without needing to know the bucket's region in advance.


<div><p>This article introduces S3 Cross-Region Client support in AWS SDK for Java 2.x, enabling seamless access to S3 buckets across different AWS regions using a single client.</p><ul><li>Access S3 buckets in different regions without knowing bucket location in advance</li><li>Enable cross-region access by setting crossRegionAccessEnabled to true on S3Client Builder</li><li>SDK automatically routes requests to correct region based on error responses</li><li>Region information is cached for improved performance on subsequent requests</li><li>First cross-region call may have increased latency; subsequent calls benefit from caching</li><li>User authorization requirements remain unchanged regardless of bucket region</li><li>Available in AWS SDK for Java 2.x version 2.20.111 or higher</li></ul><p>This feature simplifies multi-region S3 bucket management by eliminating the need to explicitly know bucket regions, though initial cross-region requests may experience latency.</p></div>


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