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via Coderanch by naved momin, 1 year ago
This exception has no message.
java.lang.NullPointerException at javax.swing.plaf.basic.BasicListUI$Handler.valueChanged( at javax.swing.DefaultListSelectionModel.fireValueChanged( at javax.swing.DefaultListSelectionModel.fireValueChanged( at javax.swing.DefaultListSelectionModel.setValueIsAdjusting( at javax.swing.JList.setValueIsAdjusting( at javax.swing.plaf.basic.BasicListUI$Handler.mouseReleased( at java.awt.AWTEventMulticaster.mouseReleased(