Question

I’m sending XML request to some server and getting some response data from it using NSURLConnection:

-(void)connectionDidFinishLoading:(NSURLConnection *)connection  
{  
    NSMutableString *receivedString = [[NSMutableString alloc] initWithData:_receivedData encoding:NSUTF8StringEncoding];       
    NSLog(@"Size of DATA: %d",[_receivedData length]);  
    NSLog(@"Body: %@", receivedString);  
}  

When length of my data is about 4000 – I can normally see the received data in output. But when length of data becomes greater (6000, 10000, etc.), Output shows that my receivedString becomes null!

How can I still save my data to the string, when it’s length becomes greater? Thank you.

Answer 1

Are you sure your data is encoded with NSUTF8StringEncoding? Double check the data being returned to you. initWithData:encoding: will return nil if the data is not properly represented by the encoding.

An easy way to test this is to use the same data object, and create a string with incremental pieces of the same data until it fails, then look at the byte that causes it to fail.

I’d bet a piece of southern fried catfish that you have an improperly (or mismatched) encoded byte in that data.