Changelog for java-11-openjdk-demo-fastdebug-11.0.12.0.7-4.fc35.x86_64.rpm :

* Fri May 07 2021 Jiri Vanek - 1:11.0.12.0.7-3- alternatives creation moved to posttrans- Thus fixing the old reisntall issue:- https://bugzilla.redhat.com/show_bug.cgi?id=1200302- https://bugzilla.redhat.com/show_bug.cgi?id=1976053