code: protected ServiceTracker<IOptions, ?> getOptionsServiceTracker(BundleContext bundleContext) throws InvalidSyntaxException {
  		ServiceTracker<IOptions, ?> tracker = new ServiceTracker<IOptions, Object>(
  				bundleContext,
  				bundleContext.createFilter(
  						"(&(" + Constants.OBJECTCLASS + "=" + IOptions.class.getName() +  //$NON-NLS-1$ //$NON-NLS-2$
  						")(name=" + getServletBundleName() + "))"), //$NON-NLS-1$ //$NON-NLS-2$
  						null);
  		tracker.open();
  		return tracker;
  	}
docs: Returns an opened ServiceTracker for the Aggregator options.  Aggregator options
  are created by the bundle activator and are shared by all Aggregator instances
  created from the same bundle.
  
  @param bundleContext The contributing bundle context
  @return The opened service tracker
  @throws InvalidSyntaxException