package net.glaucus.xxnurioxx.libs;    import java.io.IOException;  import java.sql.DriverManager;  import java.sql.SQLException;  import java.sql.Statement;    import org.bukkit.Bukkit;  import org.bukkit.plugin.Plugin;    import com.mysql.jdbc.Connection;      public class GMySQL {     private Plugin instance;   private Connection connection;   private String host = "localhost";   private String database = "DB";   private String username = "user";   private String password = "123";      private int port = 3306;      public GMySQL(Plugin pmain, String host, int port, String database, String username, String password){   instance = pmain;   this.host = host;   this.password = password;   this.username = username;   this.password = database;   this.port = port;   }      public GMySQL(Plugin pmain,boolean loadByConfig){   instance = pmain;   try {   loadConfig();   } catch (IOException e) {    TODO Auto-generated catch block   e.printStackTrace();   }   }      Start MySQL (Only works if runned)   public void start(){   Bukkit.getScheduler().runTaskAsynchronously(instance, new Runnable() {   @Override   public void run() {   new Thread(){ public void run() {   while(true){   try{   if (connection != null && !connection.isClosed()) {   Thread.sleep(1000*30);   continue;   }   connect();   Thread.sleep(1000*10);   }catch(Exception er){}   }   }}.start();   }   });   }      Query Class   public Statement getStatement(){   try {   return connection.createStatement();   } catch (SQLException e) {   System.err.println("[MySQL] "+e.getMessage());   }   return null;   }      Connection field   public Connection getConnection(){   return connection;   }        SIDE ONLY   private void connect() {   try{   if (connection != null && !connection.isClosed()) return;   Class.forName("com.mysql.jdbc.Driver");   connection = (Connection) DriverManager.getConnection("jdbc:mysql:" + host + ":" + port + "/" + database, username, password);   if(!connection.isClosed())System.out.println("[MySQL] "+"Connected to '"+database+"'");   }catch(Exception e){   System.err.println("[MySQL] "+e.getMessage());   }   }     private void loadConfig() throws IOException {   NLConfig cfg = new NLConfig("mysql", instance);   if (!cfg.getConfig().isSet("host") || !cfg.getConfig().isSet("port") || !cfg.getConfig().isSet("database") || !cfg.getConfig().isSet("username") || !cfg.getConfig().isSet("password")){   cfg.getConfig().set("host", host);   cfg.set("database", database);   cfg.set("username", username);   cfg.set("password", password);   cfg.set("port", port);   cfg.save();   }      port = cfg.getConfig().getInt("port");   host = cfg.getConfig().getString("host");   database = cfg.getConfig().getString("database");   username = cfg.getConfig().getString("username");   password = cfg.getConfig().getString("password");   }  }