Error: The 'cache' field on 'RequestInitializerDict' is not implemented.

[2820402]

Checkboxes for prior research

• I've gone through Developer Guide and API reference
• I've checked AWS Forums and StackOverflow.
• I've searched for previous similar issues and didn't find any solution.

Describe the bug

export const r2 = (c: RequestT) => {
    const { R2_ENDPOINT, R2_ACCESS_KEY_ID, R2_SECRET_ACCESS_KEY } = env<ENV>(
        c,
        'workerd'
    );

    return new S3Client({
        region: 'auto',
        endpoint: R2_ENDPOINT,
        credentials: {
            accessKeyId: R2_ACCESS_KEY_ID,
            secretAccessKey: R2_SECRET_ACCESS_KEY,
        },
    });
};

when I create CreateMultipartUploadCommand I got that error

const command = new CreateMultipartUploadCommand({ ...params });
console.log('command', command); // confirm this is print in console
const response = await r2(c).send(command); // this throw the error which catch in catch block

Regression Issue

• Select this option if this issue appears to be a regression.

SDK version number

"@aws-sdk/client-s3": "^3.654.0"

Which JavaScript Runtime is this issue in?

Node.js

Details of the browser/Node.js/ReactNative version

cloudflare workers runtime

Reproduction Steps

.

Observed Behavior

Error: The 'cache' field on 'RequestInitializerDict' is not implemented.

Expected Behavior

Don't get that error

Possible Solution

No response

Additional Information/Context

No response

[RanVaknin]

Hi @2820402 ,

The AWS S3 SDK client is meant to work with S3. We do not offer official support for competing storage offerings like Cloudflare's R2, digital ocean spaces, Min/io and any other S3 clones.

If this exception manifests when interacting with the actual S3 server, please feel free to open a new issue.
Thanks,
Ran~

[2820402]

Sorry to bring up this issue again. I found the solution, so I’ll share it in case someone else encounters the same problem: Cloudflare Workers don't support the cache header, so we just need to add this.

export const r2 = (c: RequestT) => {
    const { R2_ENDPOINT, R2_ACCESS_KEY_ID, R2_SECRET_ACCESS_KEY } = env<ENV>(
        c,
        'workerd'
    );

    return new S3Client({
        region: 'auto',
        endpoint: R2_ENDPOINT,
        credentials: {
            accessKeyId: R2_ACCESS_KEY_ID,
            secretAccessKey: R2_SECRET_ACCESS_KEY,   

        },
        requestHandler: {
            requestInit: () => ({
                cache: undefined, // Disables caching for R2 requests
            }),
        },
    });
};

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