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via Oracle Community by 807587, 1 year ago
This exception has no message.
java.lang.ClassCastException: 	at com.sun.java.swing.plaf.windows.WindowsInternalFrameUI$XPBorder.paintBorder(Unknown Source)	at javax.swing.JComponent.paintBorder(Unknown Source)	at javax.swing.JComponent.paint(Unknown Source)	at javax.swing.JComponent.paintWithOffscreenBuffer(Unknown Source)	at javax.swing.JComponent.paintDoubleBuffered(Unknown Source)	at javax.swing.JComponent._paintImmediately(Unknown Source)	at javax.swing.JComponent.paintImmediately(Unknown Source)	at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)	at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.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)	at java.awt.EventDispatchThread.run(Unknown Source)