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    Object Storage Service:0002-00000306

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    Object Storage Service:0002-00000306

    Last Updated:Jul 21, 2023

    Problem description

    The Signature field in the request is left empty.

    Causes

    You initiated a request that is compatible with Amazon S3. However, the Signature field in the request is left empty.

    Examples

    You initiated a request that uses an Amazon S3-compatible signature. However, the Signature field in the request is left empty. 

    GET /test.txt?AWSAccessKeyId=nz2p*****&Expires=1141889120&Signature= HTTP/1.0
Date: Tue, 20 Dec 2022 08:48:18 GMT
Host: oss-example.oss-cn-hangzhou.aliyuncs.com
x-oss-s3-compat: true

    Solutions

    Make sure that the Signature field is included in the request and the value of the field is valid. 

    GET /test.txt?AWSAccessKeyId=nz2p****&Expires=1141889120&Signature=vjbyPxybdZaNmGa%2ByT272YEAiv**** HTTP/1.0
Date: Tue, 20 Dec 2022 08:48:18 GMT
Host: oss-example.oss-cn-hangzhou.aliyuncs.com
x-oss-s3-compat: true

    We recommend that you use Amazon S3 SDKs to initiate the request. For more information, see Use Amazon S3 SDKs to access OSS.