Posted by hil23Ak on Mar 03, 2021; 12:22am
URL: https://forum.jogamp.org/NewtCanvasAWT-does-not-appear-in-Java-11-tp4041028p4041035.html

I have found that "-Dsun.awt.disableMixing=true" will make the awt.Canvas's show. However, this is not a realistic solution because it disables the proper layering interaction between the Canvas surfaces with the rest of the Swing application.