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 GitHub by tmiddlet2666
, 1 year ago
via Oracle Community by 843807, 2 years ago
via Oracle Community by 843835, 2 years ago
java.awt.HeadlessException at java.awt.GraphicsEnvironment.checkHeadless(Unknown Source) at java.awt.Window.<init>(Unknown Source) at java.awt.Frame.<init>(Unknown Source) at HeadlessBasics.main(HeadlessBasics.java:24)