0006-00000111

问题描述

PostObject请求中表单域的value大小超出限制。

问题原因

您发起了PostObject请求上传文件,但是请求体中表单域中某个value的大小超过2 MB,不符合接口要求。

问题示例

以下请求中第一个表单域的value大小为3 MB,导致请求错误。

POST / HTTP/1.1
Host: oss-example.oss-cn-hangzhou.aliyuncs.com
Content-Length: 6443500495
Date: Sat, 18 Feb 2023 05:17:02 GMT
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryW0DET1iaBMeAOBg3
Host: example-bucket.oss-cn-hangzhou.aliyuncs.com
------WebKitFormBoundaryW0DET1iaBMeAOBg3
Content-Disposition: form-data; name="bigvalue"
xxx...(此处省略3 MB个字符)...xxx
Content-Disposition: form-data; name="name"
big.img
------WebKitFormBoundaryW0DET1iaBMeAOBg3
Content-Disposition: form-data; name="key"
${filename}
------WebKitFormBoundaryW0DET1iaBMeAOBg3
Content-Disposition: form-data; name="policy"
eyJleHBpcmF0aW9uIjoiMjAyMy0wMi0xOFQxMzoxOTowMC4wMDBaIiwiY29uZGl0aW9ucyI6W1siY29udGVudC1sZW5ndGgtcmFuZ2UiLDAsMTA0ODU3NjAwMF1dfQ==
------WebKitFormBoundaryW0DET1iaBMeAOBg3
Content-Disposition: form-data; name="OSSAccessKeyId"
LTAI5tMw****
------WebKitFormBoundaryW0DET1iaBMeAOBg3
Content-Disposition: form-data; name="success_action_status"
200
------WebKitFormBoundaryW0DET1iaBMeAOBg3
Content-Disposition: form-data; name="signature"
miAoLVohS5*****WEXyC3wVecaQ=
------WebKitFormBoundaryW0DET1iaBMeAOBg3--

解决方案

确保PostObject请求的请求体中各个表单域符合接口要求的表单域格式Content-Disposition: form-data; name="{key}"\r\n\r\n{value}\r\n--{boundary},且value的大小不能超过2 MB。

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