Bug 135559 [Markers] Problem view sections collapse after manual build
3.2 M6 The sections in the problem view collapse after a manual build For example: - set autobuild off - expand the errors section in the problem view - click on a problem - fix the problem - build - notice that the "error" section is now collapsed.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
* 
	 * @return String
	 */
	protected abstract String getSectionTag();
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.internal.tableview.TableView#createPartControl(org.eclipse.swt.widgets.Composite)
	 */
	public void createPartControl(Composite parent) {
		clipboard = new Clipboard(parent.getDisplay());
		super.createPartControl(parent);
		initDragAndDrop();
		getSite().getPage().addSelectionListener(focusListener);
		focusSelectionChanged(getSite().getPage().getActivePart(), getSite()
				.getPage().getSelection());
		PlatformUI.getWorkbench().getWorkingSetManager()
				.addPropertyChangeListener(getWorkingSetListener());
		
		getViewer().getControl().addHelpListener(new HelpListener() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.swt.events.HelpListener#helpRequested(org.eclipse.swt.events.HelpEvent)
			 */
			public void helpRequested(HelpEvent e) {
				IContext context = contextProvider.getContext(getViewer()
						.getControl());
				PlatformUI.getWorkbench().getHelpSystem().displayHelp(context);
			}