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java.lang.ArrayIndexOutOfBoundsException: 1 >= 1	at java.util.Vector.elementAt(Vector.java:427)	at javax.swing.DefaultListModel.elementAt(DefaultListModel.java:247)	at undefined.Display.hListItemSelected(Display.java:399)	at undefined.Display$2.valueChanged(Display.java:244)	at javax.swing.JList.fireSelectionValueChanged(JList.java:1318)	at javax.swing.JList$ListSelectionHandler.valueChanged(JList.java:1332)