nsjsonserialization - Xcode 7 Json Fetching always crashing -


whenever trying fetch data through json in xcode 7 giving me error :

terminating app due uncaught exception 'nsinvalidargumentexception', reason: 'data parameter nil'

in xcode 6 working fine. new method has been implemented in xcode 7 fetch data json .

[nsdata datawithcontentsofurl:[nsurl urlwithstring:@"http://api.openweathermap.org/data/2.5/weather?lat=35&lon=139"]];   id response=[nsjsonserialization jsonobjectwithdata:data options:nsjsonreadingallowfragments error:nil]; 

nserror *error; nsurl *url = [nsurl urlwithstring:@"http://api.openweathermap.org/data/2.5/weather?lat=35&lon=139"]; nsmutableurlrequest *request = [nsmutableurlrequest requestwithurl:url]; [request sethttpmethod:@"get"]; [request setvalue:@"application/json" forhttpheaderfield:@"content-type"];  nsdata *data = [nsurlconnection sendsynchronousrequest:request returningresponse: nil error:&error]; if (!data) {     nslog(@"download error: %@", error.localizeddescription);  }  // parsing json data received web service nsdictionary object nsdictionary *json = [nsjsonserialization jsonobjectwithdata: data                                 options: nsjsonreadingmutablecontainers                                   error: &error];

try working


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