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via Super User by DashControl
, 1 year ago
This exception has no message.
via superuser.com by Unknown author, 2 years ago
via GitHub by tmiddlet2666
, 1 year ago
via Oracle Community by 843835, 1 year ago
via admadic.com by Unknown author, 2 years ago
This exception has no message.
java.awt.HeadlessException: 	at java.awt.GraphicsEnvironment.checkHeadless(Unknown Source)	at java.awt.Window.(Unknown Source)	at java.awt.Frame.(Unknown Source)	at javax.swing.JFrame.(Unknown Source)	at Dots.main(Dots.java:13)