java.lang.NullPointerException: This exception has no message.

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via Oracle Community by 807593, 1 year ago
This exception has no message.
via Oracle Community by 807551, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at undefined.Roulette.verwerkButton(Roulette.java:58)
at undefined.Roulette.action(Roulette.java:51)
at java.awt.Component.handleEvent(Component.java:5334)
at java.awt.Component.postEvent(Component.java:3878)
at java.awt.Component.postEvent(Component.java:3888)
at java.awt.Component.postEvent(Component.java:3888)
at java.awt.Component.dispatchEventImpl(Component.java:3614)
at java.awt.Component.dispatchEvent(Component.java:3439)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:450)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:144)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)

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