urlStreamHandlerServiceTracker.open();
StreamHandlerFactory.secureAction.open(urlStreamHandlerServiceTracker);
	public URLStreamHandlerProxy(String protocol, ServiceReference reference, BundleContext context) {		handlerRegistered = true;		this.context = context;		this.protocol = protocol;		urlSetter = new URLStreamHandlerSetter(this);		//set the handler and ranking		setNewHandler(reference, getRank(reference));		urlStreamHandlerServiceTracker = new ServiceTracker(context, StreamHandlerFactory.URLSTREAMHANDLERCLASS, this);		urlStreamHandlerServiceTracker.open();	}