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
}
					public void widgetDefaultSelected(SelectionEvent e) {
						item.setSelected(((ToolItem) e.widget).getSelection());
					}
				});
			} else if (me instanceof MToolItem) {
				final MMenu mmenu = ((MToolItem) me).getMenu();
				if (mmenu != null) {
					final ToolItem ti = (ToolItem) me.getWidget();
					ti.addSelectionListener(new SelectionAdapter() {
						public void widgetSelected(SelectionEvent e) {
							if (e.detail == SWT.ARROW) {
								Menu menu = (Menu) engine.createGui(mmenu, ti
										.getParent().getShell(), null);
								Rectangle itemBounds = ti.getBounds();
								Point displayAt = ti.getParent().toDisplay(
										itemBounds.x,
										itemBounds.y + itemBounds.height);
								menu.setLocation(displayAt);
								menu.setVisible(true);
								Display display = menu.getDisplay();
								while (menu.isVisible()) {
									if (!display.readAndDispatch()) {
										display.sleep();
									}
								}
							}
						}
					});
				}