Solved /kill command not working

I have a problem that i got stuck on since a few hours now.. I am pretty new and had been watching tutorials on YT and reading some of the docs on Bukkit. I was making a /kill (player name) command and i was set to go until i stumbled upon an error.

ERROR:
java.lang.NullPointerException: null
at me.GAMERMANA.EnderPearl.Main.onEnable(Main.java:13) ~[?:?]

main line 13:
getCommand(commands.killcmd).setExecutor(commands);

my "Commands" class:

Code:

package me.GAMERMANA.EnderPearl;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.Listener;
public class Commands implements Listener,CommandExecutor{   
     public String killcmd = "Kill";
     @Override   
     public boolean onCommand(CommandSender sender,Command cmd,String plrKill,String[] args) {
          if (sender instanceof Player) {
               if (cmd.getName().equalsIgnoreCase("kill")) {
               Player plr = ((Player)sender).getServer().getPlayer(plrKill);
               plr.damage(50);
               return true;
            }
          }else {return true;}
         return false;
       }
}

.yml file:

Code:

name: Plugin
author: GAMERMANA
version: 0.1
main: me.GAMERMANA.EnderPearl.Main
Description: first useless plugin

Commands:
      kill:
          usage:/<command>
          description: lol kill ppl

i would really appreciate some help thanks alot in advance

 

allright i have done the changes you told me and reexported but the error stays the same..
java.lang.NullPointerException: null
at me.GAMERMANA.EnderPearl.Main.onEnable(Main.java:13) ~[?:?]

 

i have not written the command tho. this happens as soon as the plugin loads up

so it is running the command without me even writing it?

 

at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]
Caused by: org.yaml.snakeyaml.scanner.ScannerException: mapping values are not allowed here
in 'reader', line 10, column 20:
description: lol kill ppl
. ^
i assume something is wrong with the description i set..
although i have written in exactly the same way and im sure the tabs are correct

im sorry if this is very obvious. its my first time working with commands and yml files..


EDIT: nvm it was the spaces i fixed it.

the original error stays though

 

it was the spacing. i tried googling the error while waiting for a response. the original error stays tho..

idk if i should just rewrite the whole thing again. problem is im pretty sure copied the code exactly. its probably one wrong letter or smth that i really cant find. Eclipse doesnt show any error lines tho. im very confused..

Edit: i will post both classes right now and the yml just to clear everything up now..

Main class:

Code:

package me.GAMERMANA.EnderPearl;

import org.bukkit.plugin.java.JavaPlugin;

import me.GAMERMANA.Events.BlockInteractEvent;
import net.md_5.bungee.api.ChatColor;

public class Main extends JavaPlugin{
    private Commands commands = new Commands();
    @Override
    public void onEnable() {
        getCommand(commands.killcmd).setExecutor(commands);
        getServer().getConsoleSender().sendMessage(ChatColor.GREEN + "The plugin has been activated!");
        getServer().getPluginManager().registerEvents(new BlockInteractEvent(),this);
    }
    public void onDisable(){
        getServer().getConsoleSender().sendMessage(ChatColor.RED + "The plugin has been deactivated!");
    }
}

Commands class:

Code:

package me.GAMERMANA.EnderPearl;
import org.bukkit.Bukkit;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.Listener;
public class Commands implements Listener,CommandExecutor{ 
    public String killcmd = "kill";
    @Override 
    public boolean onCommand(CommandSender sender,Command cmd,String kill,String[] args) {
        if (sender instanceof Player) {
            if (cmd.getName().equalsIgnoreCase("kill")) {
                Player plr = Bukkit.getServer().getPlayer(args[0]);
                plr.damage(50);
                return true;
            }
        }else {return true;}
        return false;
    }
}

yml :

Code:

name: Plugin
author: GAMERMANA
version: 0.1
main: me.GAMERMANA.EnderPearl.Main
Description: first useless plugin

Commands:
    kill:
        usage:/<command>
        description:lol kill ppl

 

i fixed them.. the error is always the same tho.. i dont get it..

 

Code:

name: Plugin
author: GAMERMANA
version: 0.1
main: me.GAMERMANA.EnderPearl.Main
Description: first useless plugin

Commands:
    kill:
        usage: /<command>
        description: lol kill ppl

 

...hmm everything is lowercase now.. i really dont know what i did wrong. maybe one reason is because i dont understand the whole thing fully..

i think ill just leave this project since i might not be good enough yet..

thanks for the help tho.. really appreciate it

 

I fixed it with a little help from oracle java tutorials!

turns out i thought the event method name had to be exactly as it is as i saw in the tutorial. which referred to some other variable i had and not acting as the name of the method. Thanks for the help