@EventHandler
    public void onPlayerMove(PlayerMoveEvent event) {
        Player player = event.getPlayer();
        double xTo = event.getTo().getX();
        double xFrom = event.getFrom().getX();
        double yTo = event.getTo().getY();
        double yFrom = event.getFrom().getY();
        double zTo = event.getTo().getZ();
        double zFrom = event.getFrom().getZ();
        if(event.getTo().locToBlock(xTo) != event.getFrom().locToBlock(xFrom) || event.getTo().locToBlock(zTo) != event.getFrom().locToBlock(zFrom) || event.getTo().locToBlock(yTo) != event.getFrom().locToBlock(yFrom)) {
            if (plugin.getConfig().getString("rapina." + event.getPlayer().getName()).equalsIgnoreCase("si")) {
                event.getPlayer().sendMessage("§c§lErrore! §cTi sei spostato! Hai annullato la rapina!");
                event.getPlayer().playSound(event.getPlayer().getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1);
                plugin.getConfig().set("rapina." + event.getPlayer().getName(), null);
                plugin.saveConfig();
            }
        }
    }




Errore causato allo spostamento di player:

NullPointerException




[17:52:08] [Server thread/ERROR]: Could not pass event PlayerMoveEvent to AkkaCore v1.0
org.bukkit.event.EventException: null
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.12.2.jar:git-Paper-1618]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1618]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1618]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:711) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PacketPlayInFlying.a(SourceFile:126) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PacketPlayInFlying$PacketPlayInPosition.a(SourceFile:57) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar:git-Paper-1618]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[?:?]
        at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1618]
        at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: java.lang.NullPointerException
        at it.foxy.testandocose.Rapina.onPlayerMove(Rapina.java:37) ~[?:?]
        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor588.execute(Unknown Source) ~[?:?]
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1618]
        ... 15 more



ON JOIN:
[17:52:03] [Server thread/ERROR]: Could not pass event PlayerJoinEvent to AkkaCore v1.0
org.bukkit.event.EventException: null
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.12.2.jar:git-Paper-1618]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1618]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1618]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PlayerList.onPlayerJoin(PlayerList.java:370) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PlayerList.a(PlayerList.java:183) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.LoginListener.b(LoginListener.java:178) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.LoginListener.e(LoginListener.java:68) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.NetworkManager.a(NetworkManager.java:273) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.ServerConnection.c(ServerConnection.java:150) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:948) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1618]
        at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: java.lang.NullPointerException
        at it.foxy.testandocose.Main.onPlayerJoin(Main.java:1231) ~[?:?]
        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor605.execute(Unknown Source) ~[?:?]
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1618]
        ... 14 more