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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$Handler.valueChanged(BasicListUI.java:2613)	at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:167)	at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:137)	at javax.swing.DefaultListSelectionModel.setValueIsAdjusting(DefaultListSelectionModel.java:668)	at javax.swing.JList.setValueIsAdjusting(JList.java:2110)	at javax.swing.plaf.basic.BasicListUI$Handler.mouseReleased(BasicListUI.java:2784)	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273)