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The operation Couldn’t be completed. (Cocoa error 3840.)" (JSON text did not start with array or object and option to allow fragments not set.) UserInfo=0x1d87a2c0 {NSDebugDescription=JSON text did not start with array or object and option to allow fragments not set.}
问题是我应该在哪里设置AFNetworking 2.0中的允许片段?
更新:
我的类是AFhttpSessionManager的子类.我已经创建了一个JSONResponseserializer,它也不起作用.
返回的JSON如下:
[{"StoryId":1,"title":"The big red dog","Abstract":"There was a big red dog and the dog was very big","IsFeatured":truE}] -(instanCETypE) initWithBaseURL:(NSURL *)url { NSURL *base = [NSURL URLWithString:@"URL to the web service that returns the json"]; self = [super initWithBaseURL:base]; AFJSONResponseserializer *responseserializer = [AFJSONResponseserializer serializerWithReadingOptions:NSJSONReadingAllowFragments]; [self setResponseserializer:responseserializer]; return self; }
返回的错误如下:
[0] (null) @"NSDebugDescription" : @"Invalid value around character 0."
来自WEB服务器的响应:
[{"StoryId":1,"IsFeatured":truE}]
来自WEB服务器的响应状态:
http/1.1 200 OK Server: Microsoft-IIS/7.0 X-Powered-By: ASP.NET Content-Type: application/json;charset=utf-8 X-AspNetMvc-Version: 3.0 Connection: close Date: Mon,28 Oct 2013 20:02:21 GMT Content-Length: 121 Cache-Control: private X-AspNet-Version: 4.0.30319 [{"StoryId":1,"IsFeatured":truE}]
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