Compile error under compile swf - actionscript-3

Question

Problem to get rtmp from server under compile I get this 4 errors:
* NewClass.as, Line 30 1120: Access of undefined property nc.
* NewClass.as, Line 31 1120: Access of undefined property nc.
* NewClass.as, Line 32 1120: Access of undefined property nc.
* NewClass.as, Line 33 1120: Access of undefined property nc.
* NewClass.as, Line 41 1120: Access of undefined property nc
I am stuck Have no ideas what to do
package {
import flash.accessibility.Accessibility;
import flash.display.Sprite;
import flash.events.*;
import flash.net.NetConnection;
import flash.net.NetStream;
import flash.media.Video;
public class NewClass extends Sprite
{
public var netStreamObj:NetStream;
//public var nc:NetConnection;
public var vid:Video;
public var streamID:String;
public var videoURL:String;
public var metaListener:Object;
public function RTMP_test ()
{ init_RTMP(); }
function init_RTMP():void
{
streamID = "some";
videoURL = "rtmp://someserver/application/";
vid = new Video();
nc = new NetConnection();
nc.addEventListener(NetStatusEvent.NET_STATUS, onConnectionStatus);
nc.addEventListener(AsyncErrorEvent.ASYNC_ERROR, asyncErrorHandler);
nc.connect(videoURL);
}
private function onConnectionStatus(e:NetStatusEvent):void
{
if (e.info.code == "NetConnection.Connect.Success")
{
trace("Creating NetStream");
netStreamObj = new NetStream(nc);
metaListener = new Object();
metaListener.onMetaData = received_Meta;
netStreamObj.client = metaListener;
netStreamObj.play(streamID);
vid.attachNetStream(netStreamObj);
addChild(vid);
//intervalID = setInterval(playback, 1000);
}
}
private function playback():void
{
//trace((++counter) + " Buffer length: " + netStreamObj.bufferLength);
}
public function asyncErrorHandler(event:AsyncErrorEvent):void
{ trace("asyncErrorHandler.." + "\r"); }
public function onFCSubscribe(info:Object):void
{ trace("onFCSubscribe - succesful"); }
public function onBWDone(...rest):void
{
var p_bw:Number;
if (rest.length > 0)
{ p_bw = rest[0]; }
trace("bandwidth = " + p_bw + " Kbps.");
}
function received_Meta (data:Object):void
{
var _stageW:int = stage.stageWidth;
var _stageH:int = stage.stageHeight;
var _aspectH:int;
var _videoW:int;
var _videoH:int;
var relationship:Number;
relationship = data.height / data.width;
//Aspect ratio calculated here..
_videoW = _stageW;
_videoH = _videoW * relationship;
_aspectH = (_stageH - _videoH) / 2;
vid.x = 0;
vid.y = _aspectH;
vid.width = _videoW;
vid.height = _videoH;
}
}
}

Answer 1

You have the declaration for variable nc commented out on line 12.