title: Issue with HTTP.Body parameters - Swift
body: <p>I have this code, I need to pass parameters by BUDDY, but I get a "rare" error. Can anybody help me? THX!!</p>
  
  <p><strong>This is the error</strong></p>
  
  <blockquote>
    <blockquote>
      <p>Optional(Error Domain=NSURLErrorDomain Code=-1017 "cannot parse response" UserInfo={NSUnderlyingError=0x7fda33f4cd80 {Error Domain=kCFErrorDomainCFNetwork Code=-1017 "(null)" UserInfo={_kCFStreamErrorCodeKey=-1, _kCFStreamErrorDomainKey=4}}, NSErrorFailingURLStringKey=http:.../users.php, NSErrorFailingURLKey=http:.../users.php, _kCFStreamErrorDomainKey=4, _kCFStreamErrorCodeKey=-1, NSLocalizedDescription=cannot parse response})</p>
    </blockquote>
  </blockquote>
  
  <pre><code>func registerUser(currentUser: Users, IsRegistered : (isRegistered: Bool, messageString: String) -&gt; ()) {
  
  let REGISTER_URL = "users.php?"
  
  var bodyParams: Dictionary&lt;String, String&gt; = Dictionary()
  bodyParams["firstName"] = currentUser.getFirstName()
  bodyParams["lastName"] = currentUser.getLastName()
  bodyParams["gender"] = currentUser.getGender()
  bodyParams["birthday"] = currentUser.getBirthday()
  
  let urlAppend = createFullURL(REGISTER_URL, urlParams: Dictionary())
  
  let request = NSMutableURLRequest(URL: NSURL(string: urlAppend)!)
  
  let loginString = "\(currentUser.getEmail()):\(currentUser.getPassword())"
  let loginData: NSData = loginString.dataUsingEncoding(NSUTF8StringEncoding)!
  let base64LoginString = "Basic \(loginData.base64EncodedStringWithOptions(.Encoding64CharacterLineLength))"
  let headerParams: Dictionary&lt;String, String&gt; = ["Authorization": base64LoginString]
  
  for (key, value) in headerParams{
      request.setValue(value, forHTTPHeaderField: key)
  }
  
  request.addValue("application/json", forHTTPHeaderField: "Content-Type")
  request.addValue("application/json", forHTTPHeaderField: "Accept")
  
  //
  // The problem is the following 4 lines, if I tell, there is no error, but of course, I can not register a user
  //
  
  do {
  
      request.HTTPBody = try NSJSONSerialization.dataWithJSONObject(bodyParams, options: [])
  
  } catch {
  
      IsRegistered(isRegistered: false, messageString: "Error al parsear los datos.")
  
  }
  
  request.HTTPMethod = METHOD_GET
  
  NSURLSession.sharedSession().dataTaskWithRequest(request) { (data, response, error) in
  
      if (error != nil) {
  
          // ERROR HERE //      
          // ERROR HERE //
          // ERROR HERE //
          print(error)
  
      } else {
  
          ...
      }
  
      }.resume()
  
  }
  </code></pre>