Bug 314896 [Compatibility] NPEs kill workbench
bundles/org.eclipse.e4.ui.workbench.swt/src/org/eclipse/e4/ui/workbench/swt/internal/E4Application.java
private String[] args;
	private IModelResourceHandler handler;
	private Display display = null;
	public Display getApplicationDisplay() {
		if (display == null) {
			display = Display.getDefault();
		}
		return display;
	}