Bug 319877 Infinite NPE can fill log file up quickly
Looks like I have ten megabytes worth of logs complaining about this NPE. I would never have noticed if I didn't open up the 'Error Log' view. java.lang.NullPointerException at org.eclipse.e4.ui.workbench.renderers.swt.ToolItemRenderer$7$1.run(ToolItemRenderer.java:378) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.workbench.renderers.swt.ToolItemRenderer$7.run(ToolItemRenderer.java:366) at org.eclipse.swt.widgets.Display.runTimer(Display.java:4167) at org.eclipse.swt.widgets.Display.messageProc(Display.java:3256) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2459) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3655) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:693) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:618)
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/ToolItemRenderer.java
} else if (UIEvents.UILabel.ICONURI.equals(attName)) {
				toolItem.setImage(getImage(itemModel));
			} else if (UIEvents.UILabel.TOOLTIP.equals(attName)) {
				toolItem.setToolTipText(getToolTipText(itemModel));
				toolItem.setImage(getImage(itemModel));
			}
		}
	};
	private EventHandler selectionUpdater = new EventHandler() {
		public void handleEvent(Event event) {
			
			if (!(event.getProperty(UIEvents.EventTags.ELEMENT) instanceof MToolItem))
				return;
			MToolItem itemModel = (MToolItem) event
					.getProperty(UIEvents.EventTags.ELEMENT);
			ToolItem toolItem = (ToolItem) itemModel.getWidget();
			if (toolItem != null) {
				toolItem.setSelection(itemModel.isSelected());
			}
		}
	};
	private EventHandler enabledUpdater = new EventHandler() {
		public void handleEvent(Event event) {
			
			if (!(event.getProperty(UIEvents.EventTags.ELEMENT) instanceof MToolItem))
				return;
			MToolItem itemModel = (MToolItem) event
					.getProperty(UIEvents.EventTags.ELEMENT);
			ToolItem toolItem = (ToolItem) itemModel.getWidget();
			if (toolItem != null) {