Question

When i try to send a HTTP request to get JSON response like this:

NSURL *url = [NSURL URLWithString:@"http://data.mycitydataset.gov/api/views/INLINE/rows.json?method=index"];

NSURLRequest *request = [NSURLRequest requestWithURL:url];

AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {
    NSLog(@"Success");
} failure:^(NSURLRequest* req,NSHTTPURLResponse *req2, NSError *error,id mex) {
    NSLog(@"%@", [error description]);
}];

[operation start];

I got this stack on the Log:

Error Domain=com.alamofire.networking.error Code=-1011 "Expected status code in (200-299), got 400" UserInfo=0x7bb31b0 {NSErrorFailingURLKey=http://data.baltimorecity.gov/api/views/INLINE/rows.json?method=index, NSLocalizedDescription=Expected status code in (200-299), got 400}

Am i missing something?

Answer 1

HTTP Status Code 400 means “Bad Request”. You’re trying to access a malformed URL, or the URL that you’re accessing wants to see something in the request that you’re not providing.