swift - NSURLErrorDomain with code=-1100 -

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i trying download picture app from

enter image description here request failed error nsurlerrordomain , code -1100. url should correct since checked in browser. knows why? 

let userimageurl: string! = "http://i.imgur.com/qhczqor.jpg"; let url = nsurl(fileurlwithpath: userimageurl); let request:nsurlrequest = nsurlrequest(url: url!) nsurlconnection.sendasynchronousrequest(request, queue: nsoperationqueue.mainqueue(), completionhandler: { (response:nsurlresponse!, imagedata:nsdata!, error:nserror!) -> void in                 let image = uiimage(data: imagedata!);  })

the reason getting problem because have used 

let url = nsurl(fileurlwithpath: userimageurl);

instead should use:

let url = nsurl(string: userimageurl)

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