NSNetwork error after starting NSURLSessionDownloadTask

Asked Mar 26 '14 at 13:04

Active Mar 26 '14 at 13:20

Viewed 404 times

I use NSURLSession to download files in background. Here is how I start a new NSURLSessionDownloadTask:

NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[self nextURL]];
_task = [[self downloadSession] downloadTaskWithRequest:request completionHandler:nil];
[_task resume];

After calling resume, I encountered the following error:

nsnetworkd[1557] <Error>: Couldn't add download <SSDownload: 0x16d63a20>: 958545229883046269 to download manager

After this, no delegate methods were called (it seems like the session was killed). The internet connection was ok (Safari was able to open websites).

It occurred only once on iOS 7.0.4. Can someone please explain what could this error mean? Is this an iOS 7.0.x bug or is there a good workaround?

edited Mar 26 '14 at 13:20

Wain

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asked Mar 26 '14 at 13:04

Pavel Shadrin

Why aren't you using `downloadTaskWithResumeData:completionHandler:` if you are trying to resume a previous download? – Wain Mar 26 '14 at 13:08
@Wain I don't try to resume a previous download, I start a new one. – Pavel Shadrin Mar 26 '14 at 13:12
Before I bet on an iOS bug, I'd first look to make sure you have your delegate properly assigned and implemented. – Jody Hagins Mar 28 '14 at 22:16

NSNetwork error after starting NSURLSessionDownloadTask

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