Help setting up a BTA! modding environment

getting this error: Unpacked JDK archive does not contain a Java home: /home/gobbe/.gradle/.tmp/jdks/OpenJDK21U-jdk_x64_linux_hotspot_21-Eclipse-Temurin-2111441753919758025703.tmp Installing Java through Home Manager, but unsure if JAVA_HOME is properly set programs.java = { enable = true; package = pkgs.jdk17; # it says it sets home.sessionVariables.JAVA_HOME = "${cfg.package.home}"; # but unsure if IDEA/gradle finds this $JAVA_HOME }; installing IDEA with: export NIXPKGS_ALLOW_UN...