JDK Mission Control Flatpak

Prerequisites

Install flatpak and flatpak-builder, add the Flathub remote and install the Gnome runtime and SDK along with the Freedesktop OpenJDK 11 extension:

sudo dnf install flatpak flatpak-builder
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
flatpak install flathub org.gnome.Platform//3.32 org.gnome.Sdk//3.32 org.freedesktop.Sdk.Extension.openjdk11

Build

Build JDK Mission Control from source.

Place jmc/target/products/org.openjdk.jmc-linux.gtk.x86_64.tar.gz into this directory.

Build the JMC Flatpak and export to a local repo:

flatpak-builder --repo repo build org.openjdk.Jmc.json --force-clean

To run this Flatpak, execute:

flatpak-builder --run build org.openjdk.Jmc.json jmc

Install

Install from local repository:

flatpak --user remote-add --no-gpg-verify jmc-local repo
flatpak --user install jmc-local org.openjdk.Jmc

Run the installed Flatpak:

flatpak run org.openjdk.Jmc

Validation tools

Desktop file:

desktop-file-validate org.openjdk.Jmc.desktop

Appdata file:

appstream-util validate-relax org.openjdk.Jmc.appdata.xml