Bug 179551 [Undo] DefaultOperationHistory should write exceptions to log when running in Eclipse
I20070323-1616 DefaultOperationHistory#handleNotificationException(..) should write exceptions to the log when running in Eclipse. Bugs like 176644 are easy to miss when exceptions only appear on the console.
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/operations/DefaultOperationHistory.java
addedToUndo = false;
				}
			}
			
			
			if (!addedToUndo) {
				operation.dispose();
			}
			
			notifyRedone(operation);
		} else {
			notifyNotOK(operation, status);
		}
		return status;
	}
	/**
	 * Perform the undo. All validity checks have already occurred.
	 * 
	 * @param monitor
	 * @param operation
	 */
	private IStatus doUndo(IProgressMonitor monitor, IAdaptable info,
			IUndoableOperation operation) throws ExecutionException {
		IStatus status = getUndoApproval(operation, info);
		if (status.isOK()) {
			notifyAboutToUndo(operation);
			try {
				status = operation.undo(monitor, info);
			} catch (OperationCanceledException e) {
				status = Status.CANCEL_STATUS;