On the server.properties file, there is this configuration value called allow-flight with a default value of false. According to the Minecraft Wiki:

Allows users to use flight on your server while in Survival mode, if they have a mod that provides flight installed. With allow-flight enabled, griefers will possibly be more common, because it will make their work easier. In Creative mode this has no effect.

  • false - Flight is not allowed (players in air for at least 5 seconds will be kicked).
  • true - Flight is allowed, and used if the player has a fly mod installed.

Can this value be edited without restarting the server? If so, how?


In vanilla, no.

Changes to the server.properties files always require a restart to take effect, because the server loads its content only at the start. There is no other way around it, unless there is a mod or Bukkit/Spigot plugin to temporarily store the new value until the server is restarted.

  • Note that the question has the minecraft-forge tag. But I doubt that Forge alone changes that. – Fabian Röling Jun 15 '19 at 9:29
  • @FabianRöling yes, Forge doesn't allow that either. It would still require an addon. – dly Jun 15 '19 at 9:41
  • Well, that is sad. I guess that the only option is to search for a Forge plugin/mod. – Lemon Jun 15 '19 at 19:47
public void on(PlayerJoinEvent e) {

    Player p = e.getPlayer();

  • 3
    Hi there, welcome to Arqade! Can you provide context to the code here, such as what it does, and where you would place it? – Gigazelle Feb 11 at 20:24

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