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via Coderanch by Lisa Tostrams, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at vogels.model.VogelModel.update(VogelModel.java:36)	at vogels.controller.Controller.update(Controller.java:23)	at vogels.view.View$3.actionPerformed(View.java:95)	at javax.swing.Timer.fireActionPerformed(Timer.java:313)	at javax.swing.Timer$DoPostEvent.run(Timer.java:244)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:226)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:670)	at java.awt.EventQueue.access$400(EventQueue.java:96)	at java.awt.EventQueue$2.run(EventQueue.java:631)	at java.awt.EventQueue$2.run(EventQueue.java:629)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:640)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)