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
display.timerExec(500, this);
				}
			});
			ti.addSelectionListener(new SelectionListener() {
				public void widgetSelected(SelectionEvent e) {
					if (e.detail != SWT.ARROW) {
						EHandlerService service = (EHandlerService) lclContext
								.get(EHandlerService.class.getName());
						ParameterizedCommand cmd = item.getWbCommand();
						if (cmd == null) {
							cmd = generateParameterizedCommand(item, lclContext);
						}
						if (cmd == null) {
							Activator.trace(Policy.DEBUG_MENUS,
									"Failed to execute: " + item.getCommand(), 
									null);
							return;
						}
						lclContext.set(MItem.class.getName(), item);
						service.executeHandler(cmd);
						lclContext.remove(MItem.class.getName());
					}
				}
				public void widgetDefaultSelected(SelectionEvent e) {
				}
			});
		}
	}
}