* @see org.osgi.util.tracker.ServiceTrackerCustomizer#removedService(org.osgi.framework.ServiceReference,
* java.lang.Object)
*/
public final void removedService(ServiceReference reference, Object service)
{
SimpleWebConsolePlugin plugin = this.plugin;
if (tracker.getTrackingCount() == 0 && plugin != null)
{
// remove service
plugin.unregister();
this.plugin = null;
// unregister configuration printer too
ServiceRegistration reg = printerRegistration;
if (reg != null)
{