Not the commenter: I presume it would have to be because there is no guarantee that the JVM will be installed and configured exactly correctly on all of those

Not the commenter: I presume it would have to be because there is no guarantee that the JVM will be installed and configured exactly correctly on all of those machines a priori. Jlink helps solve that problem if you have a properly modularized project, but that's hard to do if your dependencies aren't also properly modularized.