Errors for no reason?

Picture of the error: http://prntscr.com/59jau3

Code:

Code:java

package main;
 
import com.earth2me.essentials.Essentials;
import com.earth2me.essentials.User;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.Server;
import org.bukkit.block.Block;
import org.bukkit.block.BlockState;
import org.bukkit.block.Sign;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.command.PluginCommand;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerTeleportEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.permissions.PermissionAttachmentInfo;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;
 
public class SellAllSigns
  extends JavaPlugin
  implements Listener
{
  Map<String, Boolean> sasign = new HashMap();
  boolean globalmult;
  double globalmultnum;
 
  public void onEnable()
  {
    getServer().getPluginManager().registerEvents(this, this);
    getCommand("globalmultiplier").setPermissionMessage(ChatColor.DARK_RED + "You are not allowed to use that command.");
    ConfigurationSection sec = getConfig().getConfigurationSection("SASigns");
    ConfigurationSection storage = getConfig().getConfigurationSection("Storage");
    for (String key : sec.getKeys(false)) {
      this.sasign.put(key, Boolean.valueOf(true));
    }
    this.globalmult = storage.getBoolean("global");
    this.globalmultnum = storage.getDouble("globalnum");
    reloadConfig();
    saveConfig();
  }
 
  public void onDisable()
  {
    getConfig().createSection("SASigns", this.sasign);
    ConfigurationSection storage = getConfig().createSection("Storage");
    storage.set("global", Boolean.valueOf(this.globalmult));
    storage.set("globalnum", Double.valueOf(this.globalmultnum));
    saveConfig();
  }
 
  @EventHandler
  public void sign(PlayerInteractEvent event)
  {
    Player player = event.getPlayer();
    if ((event.getAction() == Action.RIGHT_CLICK_BLOCK) || (event.getAction() == Action.LEFT_CLICK_BLOCK))
    {
      Block block = event.getClickedBlock();
      if ((block.getType() == Material.SIGN_POST) || (block.getType() == Material.WALL_SIGN))
      {
        BlockState state = block.getState();
        if ((state instanceof Sign))
        {
          Sign sign = (Sign)state;
          String str = block.toString();
          String[] lines = sign.getLines();
          String line2 = lines[1];
          String line3 = lines[2];
          if (this.sasign.containsKey(str))
          {
            line2 = line2.replace(" ", "_");
            Material mat = Material.valueOf(line2.toUpperCase());
 
            String sprice = line3;
            sprice = getPriceFrom(sprice);
            double price = Double.valueOf(sprice).doubleValue();
            double displayprice = price;
            Inventory inv = player.getInventory();
            int totalitems = 0;
            double totalmoney = 0.0D;
            int slotnum = 0;
            double displaymult = 0.0D;
            for (ItemStack item : inv.getContents()) {
              if ((item != null) && (item.getType() != Material.AIR))
              {
                if (item.getType() == mat)
                {
                  int amount = item.getAmount();
                  if (determineMultiplier(player))
                  {
                    double mult = multiply(player);
                    if (this.globalmult) {
                      mult += this.globalmultnum - 1.0D;
                    }
                    displaymult = mult;
                    price *= mult;
                  }
                  if ((this.globalmult) && (!determineMultiplier(player)))
                  {
                    displaymult = this.globalmultnum;
                    price *= this.globalmultnum;
                  }
                  double newprice = price * amount;
                  User user = ((Essentials)Bukkit.getPluginManager().getPlugin("Essentials")).getUser(player);
                  BigDecimal newmoney = new BigDecimal(user.getMoney().doubleValue() + newprice);
                  user.setMoney(newmoney);
                  inv.setItem(slotnum, new ItemStack(Material.AIR));
                  slotnum++;
                  totalitems += amount;
                  totalmoney += newprice;
                }
                else
                {
                  slotnum++;
                }
              }
              else {
                slotnum++;
              }
            }
            if ((totalitems == 0) && (totalmoney == 0.0D))
            {
              player.sendMessage(ChatColor.RED + "Nothing to sell!");
              return;
            }
            if ((this.globalmult) || (determineMultiplier(player))) {
              player.sendMessage(ChatColor.GREEN + totalitems + " items sold for " + "$" + Math.round(totalmoney) + " ($" + displayprice + "/ea x" + displaymult + ")");
            } else {
              player.sendMessage(ChatColor.GREEN + totalitems + " items sold for " + "$" + Math.round(totalmoney) + " ($" + displayprice + "/ea)");
            }
            if (!determineMultiplier(player)) {
              player.sendMessage("§9Purchase a §a§lPRICE MULTIPLIER §9by using /buy");
            }
            player.updateInventory();
            return;
          }
          if ((player.getItemInHand().getType() == Material.STICK) && (player.getItemInHand().getItemMeta().getDisplayName().equals(ChatColor.DARK_RED + "Sell All Sign Stick")) &&
            (player.isOp()))
          {
            String strr = block.toString();
            this.sasign.put(strr, Boolean.valueOf(true));
            player.sendMessage(ChatColor.GOLD + "Sell All Sign Created!");
          }
        }
      }
    }
  }
 
  @EventHandler
  public void bbreak(BlockBreakEvent event)
  {
    Player player = event.getPlayer();
    Block block = event.getBlock();
    if (((block.getType() == Material.SIGN_POST) || (block.getType() == Material.WALL_SIGN)) &&
      (player.isOp()))
    {
      BlockState state = block.getState();
      if ((state instanceof Sign))
      {
        String bstring = block.toString();
        if (this.sasign.containsKey(bstring))
        {
          player.sendMessage(ChatColor.RED + "Sell All Sign Destroyed");
          this.sasign.remove(bstring);
        }
      }
    }
  }
 
  @EventHandler
  public void teleport(PlayerTeleportEvent event)
  {
    Player player = event.getPlayer();
    if (player.hasPermission("carrot.fly")) {
      player.setAllowFlight(true);
    }
  }
 
  public String getPriceFrom(String str)
  {
    for (char a : str.toCharArray()) {
      if ((a != '1') && (a != '2') && (a != '3') && (a != '4') && (a != '5') && (a != '6') && (a != '7') && (a != '8') && (a != '9') && (a != '0') && (a != '.'))
      {
        String s = String.valueOf(a);
        str = str.replace(s, "");
      }
    }
    return str;
  }
 
  public double multiply(Player p)
  {
    double multiplier = 0.0D;
    for (String perm : getPerms(p)) {
      if (perm.startsWith("assigns.multipliers."))
      {
        String[] split = perm.split(".");
        String num = split[2];
        double dubnum = Double.parseDouble(num);
        multiplier = dubnum;
        break;
      }
    }
    return multiplier;
  }
 
  public boolean determineMultiplier(Player p)
  {
    for (String perm : getPerms(p)) {
      if (perm.startsWith("assigns.multipliers.")) {
        return true;
      }
    }
    return false;
  }
 
  public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args)
  {
    if (cmd.getName().equalsIgnoreCase("globalmultiplier"))
    {
      if (args.length != 1)
      {
        sender.sendMessage(ChatColor.RED + "Usage: /globalmultiplier <number>");
        return true;
      }
      String numstring = args[0];
      numstring = getPriceFrom(numstring);
      double num = Double.parseDouble(numstring);
      if (num < 1.0D) {
        this.globalmult = false;
      } else {
        this.globalmult = true;
      }
      this.globalmultnum = num;
      sender.sendMessage(ChatColor.GOLD + "Global multiplier has been set to " + ChatColor.RED + num);
    }
    return true;
  }
 
  public List<String> getPerms(Player player)
  {
    List<String> perms = new ArrayList();
    for (PermissionAttachmentInfo info : player.getEffectivePermissions()) {
      if (info.getValue()) {
        perms.add(info.getPermission());
      }
    }
    return perms;
  }
}
 

External JARs:
- bukkit-1.7.9-R0.2
- Essentials


Please help me ASAP and I'm not that advanced with Java.

 

There is always a reason for an error. That error in your case is that ChatColor is not a String and it needs to be. You can make it into a String by simply calling .toString().

 

teej107 Thank you for your help.