Solved Delete lines from Group Manager user file

I'm pretty new to coding minecraft plugins and I would like to make a plugin that deletes all the lines from the users.yml for a specific user. It will be a command with /ppr and will delete the user's permissions and /ppr <player> will delete the player's permissions

Code:

package me.Franhell;

import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.plugin.PluginDescriptionFile;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;

public class HypePermRemover extends JavaPlugin{
    public static HypePermRemover plugin;
    public final Logger logger = Logger.getLogger("Minecraft");
    public FileConfiguration customConfig = null;
 
    @Override
    public void onDisable() {
        PluginDescriptionFile pdfFile = this.getDescription();
        this.logger.info(pdfFile.getName() + " Has Been Disabled.");
    }
 
    @Override
    public void onEnable() {
        PluginDescriptionFile pdfFile = this.getDescription();
        this.logger.info(pdfFile.getName() + "Version: " + pdfFile.getVersion() + " Has Been Enabled.");
    }
 
    public boolean onRequest(CommandSender sender, Command cmd, String commandLabel, String[] args){
        Player player = (Player) sender;
        if(commandLabel.equalsIgnoreCase("ppr")){
            if(player.isOp()){
                if(args.length == 0){
                    File plugins = plugin.getDataFolder().getParentFile();
                    File folder = new File(plugins.getPath() + File.separator + "GroupManager" + File.separator + "worlds" + File.separator + "world" + File.pathSeparator + "users.yml");
                    customConfig = YamlConfiguration.loadConfiguration(folder);
                    customConfig.set(player.getUniqueId() + ".permissions", null);
                    try {
                        customConfig.save(folder);
                    } catch (IOException ex) {
                        getLogger().log(Level.SEVERE, "Could not save config to " + folder, ex);;
                    }
                    player.sendMessage(ChatColor.BLUE + "Player has had their permissions removed.");
                }else if(args.length == 1){
                    Player targetPlayer = getServer().getPlayer(args[0]);
                    File plugins = plugin.getDataFolder().getParentFile();
                    File folder = new File(plugins.getPath() + File.separator + "GroupManager" + File.separator + "worlds" + File.separator + "world" + File.pathSeparator + "users.yml");
                    customConfig = YamlConfiguration.loadConfiguration(folder);
                    customConfig.set(targetPlayer.getUniqueId() + ".permissions", null);
                    try {
                        customConfig.save(folder);
                    } catch (IOException ex) {
                        getLogger().log(Level.SEVERE, "Could not save config to " + folder, ex);;
                    }
                    player.sendMessage(ChatColor.BLUE + "Player has had their permissions removed.");
                }
            }else
                player.sendMessage(ChatColor.RED + "You Need To Be OP For This.");
        }
        return false; 
    }
 
    public boolean onAccept(CommandSender sender, Command cmd , String commandLabel){
        return false;
     
    }
}

 

I don't really know what the problem is I enter the command and nothing happens, I'm adding messages in at each stage now but it's probably something to do with the file opening

Edit: the first problem is in the
File plugins = plugin.getDataFolder().getParentFile();

 

Call your method onCommand, not onRequest.

 

done that although I still get "An internal error occurred while attempting to perform this command" in the File plugins = plugin.getDataFolder().getParentFile();

also I thought that didn't matter when for a method only what's in the brackets

 

Show us the errorlog

 

org.bukkit.command.CommandException: Unhandled exception executing command 'ppr' in plugin HypePermRemover v1.0
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181) ~[craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:767) ~[craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.PlayerConnection.handleCommand(PlayerConnection.java:1043) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:880) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.PacketPlayInChat.handle(PacketPlayInChat.java:65) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:186) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
Caused by: java.lang.NullPointerException
at me.Franhell.HypePermRemover.onCommand(HypePermRemover.java:44) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
... 13 more
[22:31:50] [Server thread/INFO]: CONSOLE: Stopping the server..[m

 

customConfig = null (not found)
Try replacing the File things just with
"plugins/GroupManager/worlds/world/users.yml"
and add
if(customConfig == null) {
//debug message
}
BEFORE accessing its mehods
And catch Exception instead of IOException (catches all exceptions)

 

Thanks a lot it works after it get's reloaded so I can do that by myself.

 

You could reload GroupManager after it

Code:

PluginManager pm = Bukkit.getPluginManager();
Plugin pl = pm.loadPlugin("GroupManager);
if(pl != null) {
pm.disablePlugin(pl);
pm.enablePlugin(pl);
}