openjdk-8 will not be supported in 18.04, as discussed in <https://lists.ubuntu.com/archives/ubuntu-release/2018-February/004275.html>, <https://lists.ubuntu.com/archives/ubuntu-release/2018-March/004359.html>. The java-common package points to openjdk-9 today, and while openjdk-8 will be retained in universe for 18.04 for compatibility, there is no committment that any other particular package will remain compatible with openjdk-8.
What are the "scary illegal access warnings" that you see with openjdk-9?
openjdk-8 will not be supported in 18.04, as discussed in <https:/ /lists. ubuntu. com/archives/ ubuntu- release/ 2018-February/ 004275. html>, <https:/ /lists. ubuntu. com/archives/ ubuntu- release/ 2018-March/ 004359. html>. The java-common package points to openjdk-9 today, and while openjdk-8 will be retained in universe for 18.04 for compatibility, there is no committment that any other particular package will remain compatible with openjdk-8.
What are the "scary illegal access warnings" that you see with openjdk-9?