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

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via Oracle Community by 843802, 1 year ago
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This exception has no message.
via Netbeans Bugzilla by karlshen, 1 year ago
This exception has no message.
via GitHub by bhartman2
, 2 years ago
This exception has no message.
via Google Groups by Jan Bösenberg, 3 months ago
java.lang.NullPointerException:
at javax.swing.ImageIcon.(Unknown Source)
at undefined.DemoMain$NewAction.(DemoMain.java:172)
at undefined.DemoMain.init(DemoMain.java:62)
at undefined.DemoMain.(DemoMain.java:51)
at undefined.DemoMain.main(DemoMain.java:156)

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