-1103 Error Domain=NSURLErrorDomain Code=-1103 "resource exceeds maximum size" iOS 13

ios objective-c swift ios13
Jibeex picture Jibeex · Jul 9, 2019 · Viewed 16.5k times · Source

We are facing the following networking error when the response is somehow large(14kb) on iOS 13.

[-1103] Error Domain=NSURLErrorDomain Code=-1103 "resource exceeds maximum size"

As we are using Alamofire, this problem is treated as error result which breaks our treatments of the results.

The strange thing is that if we use NSURLSession directly, though this error is still seen from logging, we don't actually receive it in the callback of 

session.dataTask(with: request) { value, response, error in ... }

So the result can treated correctly.

This problem is never seen before. Anyone has got some idea on that ?

Answer

Jibeex picture Jibeex · Jul 10, 2019

With the help of the Slack community, we find the answer is that on iOS13, it is not allowed to add a body in GET request. To make it work again, we can either switch to a POST/PUT request or add body value via url parameters of the GET request.

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