java.lang.NullPointerException: This exception has no message.

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via Oracle Community by 807546, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at undefined.TestError1.access$000(TestError1.java:4)
at undefined.TestError1$1.valueChanged(TestError1.java:10)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:187)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:167)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:214)
at javax.swing.DefaultListSelectionModel.setAnchorSelectionIndex(DefaultListSelectionModel.java:606)
at javax.swing.JTable.initializeLocalVars(JTable.java:3509)
at javax.swing.JTable.(JTable.java:359)
at javax.swing.JTable.(JTable.java:284)
at undefined.TestError1$1.(TestError1.java:8)
at undefined.TestError1.(TestError1.java:7)
at undefined.TestError1.main(TestError1.java:15)

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