iOS4 breaks HTTP requests (POST/GET)

Hey stack,

I've had a working version of our codebase working on 3.1.3 and 3.2, and recently we've noticed a substantial drop in the traffic to the URL this request is hitting. After investigation, I noticed that there is no longer any traffic to this URL, subsequently breaking the app completely.

This exact code will properly execute a thread and return data. We are absolutely stumped on this.

I've got a block of code that's doing this:

{
NSString *post = @"data={\"*\":\"dls\"}";
NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding];// allowLossyConversion:YES];

NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];

NSString *url = @"urlremoved";

UrlDownloaderOperation *op = [UrlDownloaderOperation urlDownloaderWithUrlString:url 
                                                                       delegate:self 
                                                              didFinishSelector:@selector(requestDVDsDidFinishWithData:) 
                                                                didFailSelector:@selector(requestDVDsDidFailWithError:)];

[op setMethod:@"POST"];
[op setContentType:@"application/x-www-form-urlencoded"];
[op setContentLength:postLength];
[op setBody:postData];

[queue addOperation:op];        

}

and the UrlDownloaderOperation op

   - (void)start
    {


[self willChangeValueForKey:@"isExecuting"];
_isExecuting = YES;
[self didChangeValueForKey:@"isExecuting"];

NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:_url];
[request setTimeoutInterval:20.0f];

if (parameters != nil && [parameters count] > 0)
{
    NSMutableString *params = [@"?" mutableCopy];
    for (NSString *key in [parameters allKeys])
    {
        params = [NSString stringWithFormat:@"%@%@=%@&", params, key, [parameters objectForKey:key]];
    }
    NSRange range;
    range.location = [params length] - 1;
    range.length = 1;
    params = [NSMutableString stringWithFormat:[params stringByReplacingCharactersInRange:range withString:@""]];
    NSString *escapedParams = [params stringByAddingPercentEscapesUsingEncoding:NSASCIIStringEncoding];

    NSData *paramsData = [NSData dataWithBytes:[escapedParams UTF8String] length:[escapedParams length]];
    request = [NSMutableURLRequest requestWithURL:_url];
    [request setHTTPMethod:@"POST" ];
    [request setHTTPBody:paramsData];



}


if (headers != nil)
{
    [request setAllHTTPHeaderFields:headers];
}

if (method != nil)
    [request setHTTPMethod:[self method]];

if (contentLength != nil)
    [request setValue:[self contentLength] forHTTPHeaderField:@"Content-Length"];

if (contentType != nil)
    [request setValue:[self contentType] forHTTPHeaderField:@"Content-Type"];

if (body != nil)
    [request setHTTPBody:body];

_connection = [[NSURLConnection alloc] initWithRequest:request
                                              delegate:self];


if (_connection == nil)
    [self finish];
   }

Once i get to this point, however, the thread disappears and the rest of the app continues on. Where should I even start in trying to debug this?

ansaurus

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iOS4 breaks HTTP requests (POST/GET)

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