af联网——有时会在http响应上获得“不可接受的内容类型:应用程序/json”。

I can't figure out why this message is being thrown by AFNetworking 2.0. My understanding is that application/json is the default serialization scheme, so if the server returns JSON with content-type:application/json, why would AFNetworking throw this error?I can't figure out why this message is being th