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via GitHub by bobjacobsen
, 1 year ago
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This exception has no message.
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via Google Groups by Jens Schliesser, 10 months ago
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java.awt.HeadlessException at java.awt.GraphicsEnvironment.checkHeadless( at java.awt.Window.<init>( at java.awt.Frame.<init>( at java.awt.Frame.<init>( at javax.swing.JFrame.<init>( at jmri.util.JmriJFrame.<init>( at jmri.jmrit.logix.WarrantRoute.<init>( at jmri.jmrit.logix.NXFrame.<init>( at jmri.jmrit.logix.NXFrame.getInstance( at jmri.jmrit.logix.WarrantPreferences.setNXFrame( at jmri.jmrit.logix.WarrantPreferences.apply( at jmri.jmrit.logix.WarrantPreferencesPanel.setGUI( at jmri.jmrit.logix.WarrantPreferencesPanel.<init>( at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance( at sun.reflect.DelegatingConstructorAccessorImpl.newInstance( at java.lang.reflect.Constructor.newInstance( at java.lang.Class.newInstance( at apps.gui3.TabbedPreferences.init( at apps.AppsBase$ at