Bug 41443 overview ruler not working
smoke test for 20030812 The overview ruler in the Java editor does not work when starting with a fresh workspace as described in the smoke test scenario.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
private LineNumberRulerColumn fLineNumberRulerColumn;
	/**
	 * The change ruler column.
	 * @since 3.0
	 */
	private IChangeRulerColumn fChangeRulerColumn;
	
	private DefaultEncodingSupport fEncodingSupport;
	
	private MouseClickListener fMouseListener;
	
	private InformationPresenter fInformationPresenter;
	/**
	 * The annotation preferences.
	 * @since 3.0
	 */
	private MarkerAnnotationPreferences fAnnotationPreferences;
	
	protected IAnnotationAccess fAnnotationAccess= new AnnotationAccess();
	
	protected SourceViewerDecorationSupport fSourceViewerDecorationSupport;
	
	protected OverviewRuler fOverviewRuler;
	
	private SelectionHistory fSelectionHistory;
	
	private org.eclipse.core.runtime.Preferences.IPropertyChangeListener fPropertyChangeListener= new PropertyChangeListener();
	
	protected CompositeActionGroup fActionGroups;