Posted by jmaasing on Dec 24, 2017; 8:26am
URL: https://forum.jogamp.org/Jogl-Jogamp-on-Java-9-tp4038012p4038431.html

Douglas Lyon wrote

/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/lib/ext/gluegen-rt-natives-macosx-universal.jar
/Users/lyon/current/java/j4p/jars/j3d/gluegen-rt-natives-macosx-universal.jar

Putting jar files into /jre/lib/ext/ will get you into trouble since they override anything else on the classpath. Please take control of your classpath so you know what goes there otherwise it's impossible to tell what is going on.