问题 I'm trying to install OpenJDK 8 and OpenJFX 8 on Ubuntu 20.10. Installing openJFX 8 has always been a little tricky on Ubuntu, but I used to be able to do it using the tip from this SO answer: https://stackoverflow.com/a/56166582/2423283 That used to work fine (I think I was using Ubuntu 19.something), however it appears that recently 8u161-b12-1ubuntu2 was removed. For some more background information, I'm installing this via a docker file in an automated pipeline. Here are the relevant