Niet-afgehandelde IOErrorEvent

public function VideoView()
{
    loader = new Loader();
    loader.contentLoaderInfo.addEventListener(Event.INIT, onLoaderInit);

    loader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);

    loader.load(new URLRequest("http://www.youtube.com/apiplayer?version=3"));
} 


private function ioErrorHandler(event:IOErrorEvent):void 
{
    trace("ioErrorHandler: " + event);
} 

public function VideoView()
{
    loader = new Loader();
    loader.contentLoaderInfo.addEventListener(Event.INIT, onLoaderInit);
 
    loader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
 
    loader.load(new URLRequest("http://www.youtube.com/apiplayer?version=3"));
} 
 
 
private function ioErrorHandler(event:IOErrorEvent):void 
{
    trace("ioErrorHandler: " + event);
}

// This will hold the API player instance once it is initialized.
var player:Object;

var loader:Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.INIT, onLoaderInit);
loader.load(new URLRequest("http://www.youtube.com/apiplayer?version=3"));

function onLoaderInit(event:Event):void {
    addChild(loader);
    loader.content.addEventListener("onReady", onPlayerReady);
    loader.content.addEventListener("onError", onPlayerError);
    loader.content.addEventListener("onStateChange", onPlayerStateChange);
    loader.content.addEventListener("onPlaybackQualityChange", onVideoPlaybackQualityChange);
}

function onPlayerReady(event:Event):void {
    // Event.data contains the event parameter, which is the Player API ID 
    trace("player ready:", Object(event).data);

    // Once this event has been dispatched by the player, we can use
    // cueVideoById, loadVideoById, cueVideoByUrl and loadVideoByUrl
    // to load a particular YouTube video.
	
    player = loader.content;
                        player.cueVideoById("3blaalzlza");
                        player.cueVideoById("3kRuTlOXs5o");
                        player.loadVideoById("3kRuTlOXs5o");
                        player.loadVideoById("blablabla");
                        player.setSize(400, 280);
}

function onPlayerError(event:Event):void {
    // Event.data contains the event parameter, which is the error code
    trace("player error:", Object(event).data);
}

function onPlayerStateChange(event:Event):void {
    // Event.data contains the event parameter, which is the new player state
    trace("player state:", Object(event).data);
}

function onVideoPlaybackQualityChange(event:Event):void {
    // Event.data contains the event parameter, which is the new video quality
    trace("video quality:", Object(event).data);
}

// This will hold the API player instance once it is initialized.
var player:Object;
 
var loader:Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.INIT, onLoaderInit);
loader.load(new URLRequest("http://www.youtube.com/apiplayer?version=3"));
 
function onLoaderInit(event:Event):void {
    addChild(loader);
    loader.content.addEventListener("onReady", onPlayerReady);
    loader.content.addEventListener("onError", onPlayerError);
    loader.content.addEventListener("onStateChange", onPlayerStateChange);
    loader.content.addEventListener("onPlaybackQualityChange", onVideoPlaybackQualityChange);
}
 
function onPlayerReady(event:Event):void {
    // Event.data contains the event parameter, which is the Player API ID 
    trace("player ready:", Object(event).data);
 
    // Once this event has been dispatched by the player, we can use
    // cueVideoById, loadVideoById, cueVideoByUrl and loadVideoByUrl
    // to load a particular YouTube video.
 
    player = loader.content;
                        player.cueVideoById("3blaalzlza");
                        player.cueVideoById("3kRuTlOXs5o");
                        player.loadVideoById("3kRuTlOXs5o");
                        player.loadVideoById("blablabla");
                        player.setSize(400, 280);
}
 
function onPlayerError(event:Event):void {
    // Event.data contains the event parameter, which is the error code
    trace("player error:", Object(event).data);
}
 
function onPlayerStateChange(event:Event):void {
    // Event.data contains the event parameter, which is the new player state
    trace("player state:", Object(event).data);
}
 
function onVideoPlaybackQualityChange(event:Event):void {
    // Event.data contains the event parameter, which is the new video quality
    trace("video quality:", Object(event).data);
}