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 generatorDescriptor.getInitialVisible();
	}
	/**
	 * Get the group called groupName from the receiver
	 * 
	 * @param groupName
	 * @return MarkerGroup or <code>null</code>
	 */
	MarkerGroup getMarkerGroup(String groupName) {
		Iterator groups = getMarkerGroups().iterator();
		while (groups.hasNext()) {
			MarkerGroup group = (MarkerGroup) groups.next();
			if (group.getId().equals(groupName))
				return group;
		}
		return null;
	}
	/**
	 * Get the markerGroups associated with the receiver.
	 * 
	 * @return Collection of {@link MarkerGroup}
	 */
	Collection getMarkerGroups() {
		return generatorDescriptor.getMarkerGroups();
	}
	/**
	 * Return the markerTypes for the receiver.
	 * 
	 * @return Collection of {@link MarkerType}
	 */