}
protected void doStart()
throws Exception
{
this.manager = new ExtenderManager();
addTracker(new HttpContextTracker(getBundleContext(), this.manager));
addTracker(new FilterTracker(getBundleContext(), this.manager));
addTracker(new ServletTracker(getBundleContext(), this.manager));
addTracker(new HttpServiceTracker(getBundleContext(), this.manager));