Bug 296695 [Markers] Problems view does not update on selection change
I20091201-1600 Problems view does not update any more on selection change. I have a 'Warnings on Selection' filter, but I always see the same warnings, even after I opened an editor or selected something in the Package Explorer.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerContentGenerator.java
* @return {@link MarkerType} or <code>null</code> if it is not found.
	 */
	MarkerType getType(String typeId) {
		return generatorDescriptor.getType(typeId);
	}
	/**
	 * Select the given MarkerEntry
	 * 	@return <code>true</code> if it matches all enabled filters 
	 */
	boolean select(MarkerEntry entry) {
		try {
			Collection enabledFilters = getEnabledFilters();
			IResource[] resources = getSelectedResources();
			boolean andFilters = andFilters();
			if (enabledFilters.size() > 0) {
				Iterator filtersIterator = enabledFilters.iterator();
				if (andFilters) {
					while (filtersIterator.hasNext()) {
						MarkerFieldFilterGroup group = (MarkerFieldFilterGroup) filtersIterator
								.next();
						if (!group.selectByScope(entry, resources)
								|| !group.selectByFilters(entry)) {
							return false;
						}
					}
					return true;
				}
				while (filtersIterator.hasNext()) {
					MarkerFieldFilterGroup group = (MarkerFieldFilterGroup) filtersIterator
							.next();