Issue
I am trying to set up ItelliJ IDEA with JDK 11 on Linux Mint. I can see the jdk exists in the folder /usr/lib/jvm however IDEA cannot see this directory in the SDK configure module and returns Specified path cannot be found.
proof jvm folder exists
IDEA not showing multiple folders inside /usr/lib
IDEA JDK interface
Solution
Download the tar.gz distribution from here. Extract it to a location on your system then CD into the bin folder and launch using ./idea.sh
Answered By - DMellon