PaperMC

Follow the instructions below to set PaperMC up for a world that already exists (see getting started).

Make sure the world is not running. Find the URL for the version and build number for PaperMC that you wish to run from their site. Then, set the server download URL in the world’s mscs.properties:

mscs-server-url=https://papermc.io/api/v2/projects/paper/versions/1.16.5/builds/438/downloads/paper-1.16.5-438.jar

Set the JAR to use in the world’s mscs.properties:

mscs-server-jar=paper-1.16.5.jar

Set the server version you want in the world’s mscs.properties. When you want to update, you can change the version:

mscs-client-version=1.16.5
mscs-server-version=1.16.5

That’s it! When you start the world, it should now be running PaperMC.

The PaperMC directories will be created in the world folder.

Note: You will need to change these same values whenever you want to upgrade to the latest version. PaperMC is unfortunately no longer providing a stable link to the latest version of their software, so you will need to modify these values by hand.