iOS NSURLConnection，未找到响应

Question

i have a problem in NSURLConnection with SOAP, it works properly in the all app classes, but in one specific class it doesn't work, once i call [connection start]; the app don't call the call back functions (delegate functions) and i'm sure that i'm running inside the main thread and the request it right, i really need help, thanks. the code is:

if(!webData)
    webData = [[NSMutableData alloc] init];

NSString *soapMessage = [NSString stringWithFormat:
                         @"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
                         "<soap12:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap12=\"http://www.w3.org/2003/05/soap-envelope\">\n"
                         "<soap12:Body>\n"
                         "<ActivateUser xmlns=\"http://tempuri.org/\">\n"
                         "<UserID>%@</UserID>\n"
                         "<MelarityNo>%@</MelarityNo>\n"
                         "<Phone>%@</Phone>\n"
                         "<Name>%@</Name>\n"
                         "<Personal>%@</Personal>\n"
                         "<Rank>%@</Rank>\n"
                         "</ActivateUser>\n"
                         "</soap12:Body>\n"
                         "</soap12:Envelope>\n", @"", self.policeManID, self.policeManPhoneNum, @"", self.policeManPersonalID,@""];

NSURL* url = [NSURL URLWithString:@"link here.asmx"];
NSMutableURLRequest *req = [NSMutableURLRequest requestWithURL:url];
NSString *msgLen = [NSString stringWithFormat:@"%d", [soapMessage length]];
[req addValue:@"application/soap+xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"];
[req addValue:@"http://tempuri.org/ActivateUser" forHTTPHeaderField:@"SOAPAction"];
[req addValue:msgLen forHTTPHeaderField:@"Content-Length"];
[req setHTTPMethod:@"POST"];
[req setHTTPBody:[soapMessage dataUsingEncoding:NSUTF8StringEncoding]];
if(con)
    con = nil;
con = [[NSURLConnection alloc] initWithRequest:req delegate:self];
[con start];

Answer 1

Most probably that is happening because the delegate of your NSURLConnection is released before NSURLConnection has the time to call these methods. I can't tell for sure without seeing the whole picture, but you have to see when the delegate gets released...

Answer 2

I don't sure this to right solution but the bug arise may be like this.

Space doesn't default if have space change to

NSURL* url = [NSURL URLWithString:@"link%20here.asmx"];