Bug 320791 NPE on workbench shutdown
This happens for me on rc3 when shuting down: java.lang.NullPointerException at org.eclipse.e4.ui.internal.workbench.SelectionServiceImpl.notifyListeners(SelectionServiceImpl.java:192) at org.eclipse.e4.ui.internal.workbench.SelectionServiceImpl.access$3(SelectionServiceImpl.java:191) at org.eclipse.e4.ui.internal.workbench.SelectionServiceImpl$2.changed(SelectionServiceImpl.java:230) at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:95) at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:333) at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:350) at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener$2.run(ShellActivationListener.java:127) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener.activate(ShellActivationListener.java:124) at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener.handleEvent(ShellActivationListener.java:74)
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/ui/internal/workbench/SelectionServiceImpl.java
*/
	public void setSelection(Object selection) {
		if (selection != null) {
			context.set(OUT_SELECTION, selection);
			if (activePart != null && activePart.getContext() == context) {
				serviceRoot.getContext().set(IServiceConstants.ACTIVE_SELECTION, selection);
			}
		} else {
			context.remove(OUT_SELECTION);
			if (activePart != null && activePart.getContext() == context) {
				serviceRoot.getContext().remove(IServiceConstants.ACTIVE_SELECTION);
			}
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.e4.ui.selection.ESelectionService#getSelection()
	 */
	public Object getSelection() {
		if (activePart == null) {
			return null;
		}
		IEclipseContext partContext = activePart.getContext();
		return partContext == null ? null : partContext.get(ESelectionService.SELECTION);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see