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via Google Groups by Carsten Jachowski, 6 months ago
This exception has no message.
via Oracle Community by 807549, 1 year ago
This exception has no message.
java.lang.NullPointerException at at at java.awt.Component.removeNotify( at java.awt.Container.removeNotify( at java.awt.Window.dispose( at java.awt.Frame.dispose( at at at