Juju

[Checksum validation has been enabled by default](https://aws.amazon.com/blogs/aws/introducing-default-data-integrity-protections-for-new-objects-in-amazon-s3/) in [AWS SDK for Java 2.30.0](https://github.com/aws/aws-sdk-java-v2/releases/tag/2.30.0). It can be disabled by setting those options when [building the S3 Client](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/s3/S3BaseClientBuilder.html) ``` .requestChecksumCalculation(RequestChecksumCalculation.WHEN_REQUIRED) .responseChecksumValidation(ResponseChecksumValidation.WHEN_REQUIRED) ```