Posted by gouessej on Jun 07, 2019; 12:19pm
URL: https://forum.jogamp.org/Need-help-in-installing-Jogl-tp4039825p4039839.html

You should find this line in your .classpath file:
<classpathentry kind="lib" path="jogamp-fat.jar"/>

It works in my Eclipse project:
http://svn.code.sf.net/p/tuer/code/pre_beta/.classpath