java.lang.NullPointerException

Exception #2504798

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  • Stack trace

    • java.lang.NullPointerException at sun.awt.windows.WWindowPeer.displayChanged(Unknown Source) at sun.awt.SunDisplayChanger.notifyListeners(Unknown Source) at sun.awt.Win32GraphicsDevice.displayChanged(Unknown Source) at sun.awt.Win32GraphicsEnvironment.displayChanged(Unknown Source) at sun.awt.windows.WToolkit$4.run(Unknown Source) at java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

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