Program: 93971
Project: 93971
Buggy source:
public boolean onCommand(CommandSender sender,Command cmd,String cmdLabel,String[] args){
  if (sender instanceof Player) {
    Player player=(Player)sender;
    if (cmd.getName().equalsIgnoreCase("String_Node_Str") && args.length == 0) {
      String tempName="String_Node_Str" + pluginName.substring(0,4);
      tempName+="String_Node_Str" + pluginName.substring(4,pluginName.length()) + "String_Node_Str";
      player.sendMessage("String_Node_Str" + tempName + "String_Node_Str"+ pluginVersion);
      player.sendMessage("String_Node_Str" + tempName + "String_Node_Str");
      player.sendMessage("String_Node_Str" + pluginWebsite);
      return true;
    }
 else     if (cmd.getName().equalsIgnoreCase(commandString(Config.commands_reload)) || cmd.getName().equalsIgnoreCase(commandString(Config.aliases_reload))) {
      if (args.length == 1) {
        if (ZPermissions.isAllowed(player,Permission.command_admin_reload)) {
          new Config("String_Node_Str","String_Node_Str" + pluginName + "String_Node_Str","String_Node_Str");
          LoadYml("String_Node_Str",getClass().getProtectionDomain().getCodeSource());
          LoadYml("String_Node_Str",getClass().getProtectionDomain().getCodeSource());
          Messages.sendMessage(Message.reload_success,player,null);
          return true;
        }
 else {
          Messages.sendMessage(Message.protection_denied,player,null);
        }
      }
    }
 else     if (cmd.getName().equalsIgnoreCase(commandString(Config.commands_logout)) || cmd.getName().equalsIgnoreCase(commandString(Config.aliases_logout))) {
      if (args.length == 0) {
        if (ZPermissions.isAllowed(player,Permission.command_logout)) {
          if (Processes.Logout(player)) {
            EBean eBeanClass=EBean.checkPlayer(player,true);
            eBeanClass.setSessiontime(0);
            getDatabase().save(eBeanClass);
            String check=Encryption.md5(player.getName() + Util.craftFirePlayer.getIP(player));
            if (AuthDB.AuthDB_Sessions.containsKey(check)) {
              AuthDB_Sessions.remove(check);
            }
            Messages.sendMessage(Message.logout_success,player,null);
            return true;
          }
 else {
            Messages.sendMessage(Message.logout_failure,player,null);
            return true;
          }
        }
 else {
          Messages.sendMessage(Message.protection_denied,player,null);
        }
      }
 else       if (args.length == 1) {
        if (ZPermissions.isAllowed(player,Permission.command_admin_logout)) {
          String PlayerName=args[0];
          List<Player> players=sender.getServer().matchPlayer(PlayerName);
          if (!players.isEmpty()) {
            if (Processes.Logout(players.get(0))) {
              Messages.sendMessage(Message.logout_admin_success,player,null,players.get(0).getName());
              Messages.sendMessage(Message.logout_admin,players.get(0),null);
              return true;
            }
 else {
              Messages.sendMessage(Message.logout_admin_failure,player,null,players.get(0).getName());
              return true;
            }
          }
          Messages.sendMessage(Message.logout_admin_notfound,player,null,PlayerName);
          return true;
        }
 else {
          Messages.sendMessage(Message.protection_denied,player,null);
        }
      }
    }
 else     if (isAuthorized(player) && (cmd.getName().equalsIgnoreCase(commandString(Config.commands_login)) || cmd.getName().equalsIgnoreCase(commandString(Config.aliases_login)))) {
      if (ZPermissions.isAllowed(player,Permission.command_admin_login)) {
        if (args.length == 1) {
          String PlayerName=args[0];
          List<Player> players=sender.getServer().matchPlayer(PlayerName);
          if (!players.isEmpty()) {
            if (Processes.Logout(players.get(0))) {
              Messages.sendMessage(Message.login_admin_success,player,null,players.get(0).getName());
              Messages.sendMessage(Message.login_admin,players.get(0),null);
              return true;
            }
 else {
              Messages.sendMessage(Message.login_admin_failure,player,null,players.get(0).getName());
              return true;
            }
          }
          Messages.sendMessage(Message.login_admin_notfound,player,null,PlayerName);
          return true;
        }
      }
 else {
        Messages.sendMessage(Message.protection_denied,player,null);
      }
    }
  }
  return false;
}

Fixed version (ground truth):
public boolean onCommand(CommandSender sender,Command cmd,String cmdLabel,String[] args){
  if (sender instanceof Player) {
    String command=cmd.getName();
    if (args.length > 0) {
      for (int i=0; i < args.length; i++) {
        command+="String_Node_Str" + args[i];
      }
    }
    Player player=(Player)sender;
    if ((cmd.getName().equalsIgnoreCase("String_Node_Str") && args.length == 0) || (command.equalsIgnoreCase("String_Node_Str"))) {
      String tempName="String_Node_Str" + pluginName.substring(0,4);
      tempName+="String_Node_Str" + pluginName.substring(4,pluginName.length()) + "String_Node_Str";
      player.sendMessage("String_Node_Str" + tempName + "String_Node_Str"+ pluginVersion);
      player.sendMessage("String_Node_Str");
      player.sendMessage("String_Node_Str" + pluginWebsite);
      return true;
    }
 else     if (command.equalsIgnoreCase(commandString(Config.commands_admin_reload,true)) || command.equalsIgnoreCase(commandString(Config.aliases_admin_reload,true))) {
      if (ZPermissions.isAllowed(player,Permission.command_admin_reload)) {
        new Config("String_Node_Str","String_Node_Str" + pluginName + "String_Node_Str","String_Node_Str");
        LoadYml("String_Node_Str",getClass().getProtectionDomain().getCodeSource());
        LoadYml("String_Node_Str",getClass().getProtectionDomain().getCodeSource());
        Messages.sendMessage(Message.reload_success,player,null);
        return true;
      }
 else {
        Messages.sendMessage(Message.protection_denied,player,null);
        return true;
      }
    }
 else     if (cmd.getName().equalsIgnoreCase(commandString(Config.commands_user_logout,false)) || cmd.getName().equalsIgnoreCase(commandString(Config.aliases_user_logout,false))) {
      if (ZPermissions.isAllowed(player,Permission.command_logout)) {
        if (Processes.Logout(player)) {
          EBean eBeanClass=EBean.checkPlayer(player,true);
          eBeanClass.setSessiontime(0);
          getDatabase().save(eBeanClass);
          String check=Encryption.md5(player.getName() + Util.craftFirePlayer.getIP(player));
          if (AuthDB.AuthDB_Sessions.containsKey(check)) {
            AuthDB_Sessions.remove(check);
          }
          Messages.sendMessage(Message.logout_success,player,null);
          return true;
        }
 else {
          Messages.sendMessage(Message.logout_failure,player,null);
          return true;
        }
      }
 else {
        Messages.sendMessage(Message.protection_denied,player,null);
        return true;
      }
    }
 else     if (command.startsWith(commandString(Config.commands_admin_logout,true)) || command.startsWith(commandString(Config.aliases_admin_logout,true))) {
      if (ZPermissions.isAllowed(player,Permission.command_admin_logout)) {
        String[] temp=commandString(Config.commands_admin_logout,true).split("String_Node_Str");
        if (args.length == temp.length) {
          String PlayerName=args[temp.length - 1];
          List<Player> players=sender.getServer().matchPlayer(PlayerName);
          if (!players.isEmpty()) {
            if (Processes.Logout(players.get(0))) {
              Messages.sendMessage(Message.logout_admin_success,player,null,players.get(0).getName());
              Messages.sendMessage(Message.logout_admin,players.get(0),null);
              return true;
            }
 else {
              Messages.sendMessage(Message.logout_admin_failure,player,null,players.get(0).getName());
              return true;
            }
          }
          Messages.sendMessage(Message.logout_admin_notfound,player,null,PlayerName);
          return true;
        }
 else {
          player.sendMessage("String_Node_Str" + cmd.getUsage());
          return true;
        }
      }
 else {
        Messages.sendMessage(Message.protection_denied,player,null);
        return true;
      }
    }
 else     if (command.startsWith(commandString(Config.commands_admin_login,true)) || command.startsWith(commandString(Config.aliases_admin_login,true))) {
      if (ZPermissions.isAllowed(player,Permission.command_admin_login)) {
        String[] temp=commandString(Config.commands_admin_login,true).split("String_Node_Str");
        if (args.length == temp.length) {
          String PlayerName=args[temp.length - 1];
          List<Player> players=sender.getServer().matchPlayer(PlayerName);
          if (!players.isEmpty()) {
            if (Processes.Login(players.get(0))) {
              Messages.sendMessage(Message.login_admin_success,player,null,players.get(0).getName());
              Messages.sendMessage(Message.login_admin,players.get(0),null);
              return true;
            }
 else {
              Messages.sendMessage(Message.login_admin_failure,player,null,players.get(0).getName());
              return true;
            }
          }
          Messages.sendMessage(Message.login_admin_notfound,player,null,PlayerName);
          return true;
        }
 else {
          player.sendMessage("String_Node_Str" + cmd.getUsage());
          return true;
        }
      }
 else {
        Messages.sendMessage(Message.protection_denied,player,null);
        return true;
      }
    }
  }
  return true;
}