The ServiceLocator can also translate the checked exceptions (that get thrown during lookup or creation of the bean) into unchecked exceptions.
Also note the continuing pattern of unchecked exceptions, which keeps the code remarkably concise.
Using introduction, aspects can add new methods and variables to a class, declare that a class implements an interface, or convert checked to unchecked exceptions.
Instead, you should use unchecked exceptions for such conditions, so that you can optionally handle these conditions.
