what is an illegal reflective access

Question

There are a lot of questions around about illegal reflective access in Java 9.

Now what I can\'t find because all Google spews up is people trying to work around the

Answer 1

If you want to go with the add-open option, here's a command to find which module provides which package ->

java --list-modules | tr @ " " | awk '{ print $1 }' | xargs -n1 java -d

the name of the module will be shown with the @ while the name of the packages without it

NOTE: tested with JDK 11

IMPORTANT: obviously is better than the provider of the package does not do the illegal access