Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Oracle Community by 807593, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at stockanalysis.GUI.actionPerformed(	at javax.swing.JComboBox.fireActionEvent(	at javax.swing.JComboBox.selectedItemChanged(	at javax.swing.JComboBox.contentsChanged(	at javax.swing.AbstractListModel.fireContentsChanged(	at javax.swing.DefaultComboBoxModel.setSelectedItem(	at javax.swing.JComboBox.setSelectedItem(	at javax.swing.JComboBox.setSelectedIndex(