Posted by Jarek Przygódzki on
URL: https://forum.jogamp.org/The-automatic-extraction-and-loading-of-native-libraries-from-JARs-do-not-work-in-applications-baseds-tp4025492p4033079.html

Automatic extraction and loading is only used when initialization logic in com.jogamp.common.os.Platform{...}.static { } is able to recognize platform JAR file URL . Equinox uses bundleresource protocol which is not recognized  (there's swallowed IllegalArgumentException involved)