Storage and Backup - Using aws sdk (java 2.x) to access S3/Swift Object Storage
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Using aws sdk (java 2.x) to access S3/Swift Object Storage

A
Von
ANDREAM1
Erstellungsdatum 2022-07-26 09:28:23 (edited on 2024-09-04 14:25:46) in Storage and Backup

Is Swift Object Storage compatible with the "standard" aws sdk (v. 2.0) ?

Here my code to create a S3Client:
AwsBasicCredentials awsCreds = AwsBasicCredentials.create(
"accessKeyId",
"secretAccessKey");

client = S3Client.builder()
.credentialsProvider(StaticCredentialsProvider.create(awsCreds))
.region(????)
.build();

I found my accessKeyId and secretAccessKey, but I can't set a proper vaue for "region", because it is NOT a string, but an instance of software.amazon.awssdk.regions.Region class, that has a predefined values only (I think I should pass "gra").
Does that mean I cannot use this sdk? Do I have to use the REST API?
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1 Antwort ( Latest reply on 2026-04-07 06:26:56 Von
henry jame
)
A

Hi, solved by myself!
Use this code:

Region gra = Region.of("gra");

client = S3Client.builder()
.region(gra)
.endpointOverride(URI.create("https://s3.gra.cloud.ovh.net"))
.credentialsProvider(StaticCredentialsProvider.create(awsCreds))
.build();
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HJ

Yes, you can use the AWS SDK for Java (2.x) with OVHcloud Object Storage, but only if you use the S3-compatible endpoint, not pure Swift.

OVHcloud provides S3-compatible APIs for Object Storage, so standard tools and SDKs (like AWS SDK) will work — but you must configure them correctly.

👉 The key points:

  • Use the S3 endpoint format:

     
    https://s3.<region>.cloud.ovh.net
     
  • Set the region as a valid AWS SDK region object (even if OVH uses custom names like gra, you still need to map it properly in the SDK).
  • Most importantly, override the endpoint URL in the client config — otherwise it will try to connect to AWS instead of OVH.

💡 Also note:

  • OVH’s Swift storage is older and not fully aligned with AWS SDK expectations.
  • For new projects, OVH themselves recommend using S3-compatible Object Storage instead of Swift for better compatibility and fewer issues.
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