npe.getName(); // NullPointerException: Thrown when an application attempts to use null in a case where an object is required. These include: // - Calling the instance method of a null object. // - Accessing or modifying the field of a null object. // - Taking the length o...
When A receives the BFinished message, also enters to an ending state and calls a context stop self , stopping itself and all the children he created. Problem: It looks like the schedulers don't stop after the actor has been stopped, and the next time they are fired, they throw a ...