Solved InvalidPluginExeption-Error

Hey guys! Whenever I startup my server I get the following error:

Code:

[01:54:30 ERROR]: Could not load 'plugins\CUNChat.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NullPointerException
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[spigot_server.jar:git-Spigot-2038f4a-cd36f6f]
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[spigot_server.jar:git-Spigot-2038f4a-cd36f6f]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [spigot_server.jar:git-Spigot-2038f4a-cd36f6f]
        at org.bukkit.craftbukkit.v1_9_R1.CraftServer.loadPlugins(CraftServer.java:296) [spigot_server.jar:git-Spigot-2038f4a-cd36f6f]
        at net.minecraft.server.v1_9_R1.DedicatedServer.init(DedicatedServer.java:201) [spigot_server.jar:git-Spigot-2038f4a-cd36f6f]
        at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:527) [spigot_server.jar:git-Spigot-2038f4a-cd36f6f]
        at java.lang.Thread.run(Unknown Source) [?:1.7.0_79]
Caused by: java.lang.NullPointerException
        at de.thruzzd.cunchat.Main.<init>(Main.java:52) ~[?:?]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.7.0_79]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.7.0_79]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.7.0_79]
        at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.7.0_79]
        at java.lang.Class.newInstance(Unknown Source) ~[?:1.7.0_79]
        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[spigot_server.jar:git-Spigot-2038f4a-cd36f6f]
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[spigot_server.jar:git-Spigot-2038f4a-cd36f6f]
        ... 6 more

This is my Main.class (I know it is noobish af, but just a "try" with everything in it):

Code:

package de.thruzzd.cunchat;


import java.io.File;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.Date;
import java.util.HashMap;
import java.util.List;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.craftbukkit.v1_9_R1.entity.CraftPlayer;
import org.bukkit.entity.Player;
import org.bukkit.plugin.RegisteredServiceProvider;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.scoreboard.Scoreboard;

import net.milkbowl.vault.chat.Chat;
import net.milkbowl.vault.economy.Economy;
import net.milkbowl.vault.permission.Permission;
import net.minecraft.server.v1_9_R1.IChatBaseComponent;
import net.minecraft.server.v1_9_R1.IChatBaseComponent.ChatSerializer;

import net.minecraft.server.v1_9_R1.PacketPlayOutPlayerListHeaderFooter;
import net.minecraft.server.v1_9_R1.PlayerConnection;




public class Main extends JavaPlugin{
  
  
  
    public static Permission permission = null;
    public static Economy economy = null;
    public static Chat chat = null;
    public String vor1 = getConfig().getString("prefix");
    public String vor = ChatColor.translateAlternateColorCodes('&', vor1);
    public String theader1 = getConfig().getString("tab.header");
    public String theader = ChatColor.translateAlternateColorCodes('&', theader1);
    public String tfooter1 = getConfig().getString("tab.footer");
    public String tfooter = ChatColor.translateAlternateColorCodes('&', tfooter1);
 
    public File f = new File("plugins/CUNChat/muted.yml");
    public YamlConfiguration yamlFile = YamlConfiguration.loadConfiguration(f);
  

  
    public Boolean mte = false;
    Scoreboard sb = Bukkit.getScoreboardManager().getNewScoreboard();
 
   public HashMap<String, Date> mutes = new HashMap<String, Date>();
    public HashMap<String, String> tabprefixes = new HashMap<String, String>();
  
    @Override
    public void onEnable(){
        System.out.println("[CUNChat] Gestartet");
      
      
        saveDefaultConfig();
        loadGroups();
        setupPermissions();
        setupChat();
        reigsterEvents();
        registerCommands();
        muteLoadin();
        muteLoad();  
    }
  
    @Override
    public void onDisable(){
        System.out.println("[CUNChat] Erfolgreich beendet!");
        muteSave();
        muteLoad();
      
    }
  


    private boolean setupPermissions(){
        RegisteredServiceProvider<Permission> permissionProvider = getServer().getServicesManager().getRegistration(net.milkbowl.vault.permission.Permission.class);
        if (permissionProvider != null) {
            permission = permissionProvider.getProvider();
        }
        return (permission != null);
    }
  
    private boolean setupChat()
    {
        RegisteredServiceProvider<Chat> chatProvider = getServer().getServicesManager().getRegistration(net.milkbowl.vault.chat.Chat.class);
        if (chatProvider != null) {
            chat = chatProvider.getProvider();
        }

        return (chat != null);
    }


    public void reigsterEvents(){
        Bukkit.getPluginManager().registerEvents(new CUNListener(this), this);
        Bukkit.getPluginManager().registerEvents(new CUNMute(this), this);
        Bukkit.getPluginManager().registerEvents(new CUNTab(this), this);
      
      
      
    }
  
    public void registerCommands(){
      
        CUNNick cNick = new CUNNick(this);
        getCommand("nick").setExecutor(cNick);
        getCommand("renick").setExecutor(cNick);
      
        CUNMute cMute = new CUNMute(this);
        getCommand("mute").setExecutor(cMute);
        getCommand("gmute").setExecutor(cMute);
      
        CUNClear cClear = new CUNClear(this);
        getCommand("cchat").setExecutor(cClear);
      
      
      
      
      
    }
  
    public void muteLoad(){
  
        try {
              yamlFile.save(f);
            } catch(IOException e) {
            
              e.printStackTrace();
            }
      
  
    }
  
    public void muteSave(){
        yamlFile.set("muted", null);
        List<String> s = yamlFile.getStringList("muted");
        for(String p : mutes.keySet()){
          
            s.add(p + ":" + mutes.get(p).getTime());
          
        }
        yamlFile.set("muted", s);
      
    }
  
    public void muteLoadin(){
      
        List<String> s = yamlFile.getStringList("muted");
        for(String str : s){
          
            String[] words = str.split(":");
            Long longg;
            longg = Long.parseLong(words[1]);
            Date date = new Date(longg);
            mutes.put(words[0], date);
          
          
          
        }
      
      
    }
  
    public void loadGroups(){
        List<String> s = getConfig().getStringList("groups");
        for(String str : s){
          
            String[] words = str.split(":");
            words[0] = ChatColor.translateAlternateColorCodes('&', words[0]);
            words[1] = ChatColor.translateAlternateColorCodes('&', words[1]);
          
            tabprefixes.put(words[0], words[1]);
          
          
        }
      
      
    }
  
    public void tablist(Player p, String header, String footer){
        if(header == null)header = "";
        if(footer == null)footer = "";
        header = ChatColor.translateAlternateColorCodes('&', header);
        footer = ChatColor.translateAlternateColorCodes('&', footer);
      
        PlayerConnection con = ((CraftPlayer)p).getHandle().playerConnection;
      
        IChatBaseComponent tabheader = ChatSerializer.a("{\"text\": \"" + header + "\"}");
        IChatBaseComponent tabfooter = ChatSerializer.a("{\"text\": \"" + footer + "\"}");
      
        PacketPlayOutPlayerListHeaderFooter packet = new PacketPlayOutPlayerListHeaderFooter(tabheader);
      
        try {
            Field f = packet.getClass().getDeclaredField("b");
            f.setAccessible(true);
            f.set(packet, tabfooter);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            con.sendPacket(packet);
        }
      
      
    }
  

  
  


  


}

Can you guys help me out?

Thanks!
Tobi

 

@ThrustLP
Please read this.
https://bukkit.org/threads/how-to-r...ubleshoot-your-own-plugins-by-yourself.32457/

 

@Zombie_Striker Thank you I made it to solve it that way!

 

@ThrustLP
If so, mark this thread as solved. (Top Left side of this page, click ThreadTools, click EditTitle, click on [Prefix] and select the "[Solved]" prefix)