错误码
更新时间：2019-08-13
在认证鉴权过程中常见的错误码有：
| 错误返回码 | 错误消息 | 状态码 | 说明 |
|---|---|---|---|
| AccessDenied | Access denied. | 403 Forbidden | 无权限访问对应的资源。 |
| InappropriateJSON | The JSON you provided was well-formed and valid, but not appropriate forthis operation. | 400 Bad Request | 请求中的JSON格式正确，但语义上不符合要求。如缺少某个必需项，或值类型不匹配等。出于兼容性考虑，对于所有无法识别的项应直接忽略，不应该返回这个错误。 |
| InternalError | We encountered an internal error Please try again. | 500 Internal Server Error | 所有未定义的其他错误。在有明确对应的其他类型的错误时（包括通用的和服务自定义的）不应该使用。 |
| InvalidAccessKeyId | The Access Key ID you provided doesnot exist in our records. | 403 Forbidden | Access Key ID不存在。 |
| InvalidHTTPAuthHeader | The Access Key ID you provided does notexist in our records. | 400 BadRequest | Authorization头域格式错误。 |
| InvalidHTTPRequest | There was an error in the body of your HTTP request. | 400 Bad Request | HTTP body格式错误。例如不符合指定的Encoding等。 |
| InvalidURI | Could not parse the specified URI. | 400 Bad Request | URI形式不正确。例如一些服务定义的关键词不匹配等。对于ID不匹配的问题，应定义更加具体的错误码，如NoSuchKey。 |
| MalformedJSON | The JSON you provided was not well-formed. | 400 BadRequest | JSON格式不合法。 |
| InvalidVersion | The API version specified was invalid. | 404 NotFound | URI的版本号不合法。 |
| OptInRequired | A subscription for the service is required. | 403 Forbidden | 没有开通对应的服务。 |
| PreconditionFailed | The specified If-Match header doesn’tmatch the ETag header. | 412 PreconditionFailed | 详见Etag。 |
| RequestExpired | Request has expired. Timestamp date is <Data>. | 400 BadRequest | 请求超时。要改成x-bce-date。若请求中只有Date，需将Date转成datetime。 |
| IdempotentParameterMismatch | The request uses the same client token asa previous, but non-identical request. | 403 Forbidden | clientToken对应的API参数不一样。 |
| SignatureDoesNotMatch | The request signature we calculated does not match the signature you provided. Check yourSecret Access Key and signing method. Consultthe service documentation for details. | 400 Bad Request | Authorization头域中附带的签名和服务端验证不一致。 |