AFNetworking发送Post请求报415错误处理_userinfo={nslocalizeddescription=request failed: u

问题描述：

使用AFNetworking请求报错如下:415"Unsupported Media Type",详细信息如下

Error Domain=com.alamofire.error.serialization.response Code=-1011 "Request failed: unsupported media type (415)" UserInfo={NSLocalizedDescription=Request failed: unsupported media type (415), NSUnderlyingError=0x600002df6100 {Error Domain=com.alamofire.error.serialization.response Code=-1016 "Request failed: unacceptable content-type: application/problem+json" UserInfo={NSLocalizedDescription=Request failed: unacceptable content-type: application/problem+json, NSErrorFailingURLKey=http://demo.bitech.cn/CdHeritagePark/MobileApi/Resource/OrderExt/OrderPay, com.alamofire.serialization.response.error.data={length = 147, bytes = 0x7b227479 7065223a 22687474 70733a2f ... 30346439 352e227d }, com.alamofire.serialization.response.error.response=<NSHTTPURLResponse: 0x6000027c9100> { URL: http://demo.bitech.cn/CdHerit } { Status Code: 415, Headers {
    "Content-Length" =     (
        147
    );
    "Content-Type" =     (
        "application/problem+json; charset=utf-8"
    );
    Date =     (
        "Thu, 24 Sep 2020 09:08:20 GMT"
    );
    "Proxy-Connection" =     (
        "Keep-alive"
    );
    Server =     (
        Kestrel
    );
    "X-Powered-By" =     (
        "ASP.NET"
    );
} }}}, NSErrorFailingURLKey=http://demo.bitech.cn/CdHeritagePark/MobileApi/Resource/OrderExt/OrderPay, com.alamofire.serialization.response.error.data={length = 147, bytes = 0x7b227479 7065223a 22687474 70733a2f ... 30346439 352e227d }, com.alamofire.serialization.response.error.response=<NSHTTPURLResponse: 0x6000027c9100> { URL: http://demo.bitech.cn/CdHeritagePark/MobileApi/Resource/OrderExt/OrderPay } { Status Code: 415, Headers {
    "Content-Length" =     (
        147
    );
    "Content-Type" =     (
        "application/problem+json; charset=utf-8"
    );
    Date =     (
        "Thu, 24 Sep 2020 09:08:20 GMT"
    );
    "Proxy-Connection" =     (
        "Keep-alive"
    );
    Server =     (
        Kestrel
    );
    "X-Powered-By" =     (
        "ASP.NET"
    );
} }}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

解决方案：

通过后台swagger请求可以成功,使用代码不行经抓包后发现
后台传参数如下

我们代码请求如下

经排查发现afnetworking做了处理

同时请求时设置了
[manage.requestSerializer setValue:@“application/json” forHTTPHeaderField:@“Content-Type”];
修改内部代码,传值多加了个判断,就正常拿到值了

问题的根源是AFNetworking上传的Post请求包体和后台要求的格式有出入到值415错误的出现,问题排查到双方可沟通具体格式