server start commandserver.json file for that serverserver.defaults config settingServerServicestart command will automatically be saved to your server.json file unless you pass the --noSaveSettings flag.C:/, a UNC network path like \\, or a leading slash like / are considered absolute paths and will not be expanded. Try to avoid absolute paths if you want to make your server config portable.foo/bar.jar or ../../lib/my.jar are relative and the root folder that they are relative to depends on where there are specified.server.json file, it is relative to the folder containing the JSON file. (Remember the server.json doesn't have to be in the web root!)server.defaults config setting, it is relative to the web root of the server.