Bug 229240 CachedMarkerBuilder writes to console
I20080429-0100. CachedMarkerBuilder writes to console.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/CachedMarkerBuilder.java
public MarkerCategory[] getCategories() {
		if (building) {
			return null;
		}
		return categories;
	}
	/**
	 * Return the group used to generate categories.
	 * 
	 * @return MarkerGroup or <code>null</code>.
	 */
	MarkerGroup getCategoryGroup() {
		return categoryGroup;
	}
	/**
	 * Return a new instance of the receiver with the field
	 * 
	 * @return MarkerComparator
	 */
	MarkerComparator getComparator() {
		if (comparator == null) {
			MarkerField field = null;
			if (getCategoryGroup() != null)
				field = getCategoryGroup().getMarkerField();
			comparator = new MarkerComparator(field, generator.getAllFields());
			comparator.restore(this.memento);
		}
		return comparator;
	}
	/**