大纲

错误码

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-fos-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。