Program: 41994
Project: 41994
Buggy source:
public boolean execute(ICommandSender sender,String[] args) throws Exception {
  IPlayer player=(IPlayer)sender;
  if (player.hasPermission(PermissionNames.USER_LIST)) {
    if (manager.isPlotWorld(player)) {
      String name;
      UUID uuid;
      if (args.length == 2) {
        name=args[1];
        uuid=null;
        player.sendMessage(C("String_Node_Str") + "String_Node_Str" + name+ "String_Node_Str"+ C("String_Node_Str"));
      }
 else {
        name=player.getName();
        uuid=player.getUniqueId();
        player.sendMessage(C("String_Node_Str"));
      }
      String oldWorld="String_Node_Str";
      for (      Plot plot : plugin.getSqlManager().getPlayerPlots(uuid)) {
        IWorld world=serverBridge.getWorld(plot.getWorld());
        if (world != null) {
          manager.getMap(world).addPlot(plot.getId(),plot);
        }
        StringBuilder addition=new StringBuilder();
        if (!oldWorld.equalsIgnoreCase(plot.getWorld())) {
          oldWorld=plot.getWorld();
          player.sendMessage("String_Node_Str" + plot.getWorld());
        }
        if (plot.getExpiredDate() != null) {
          Date expiredDate=plot.getExpiredDate();
          if (expiredDate.before(Calendar.getInstance().getTime())) {
            addition.append("String_Node_Str" + plot.getExpiredDate());
          }
 else {
            addition.append("String_Node_Str" + plot.getExpiredDate());
          }
        }
        if (plot.isForSale()) {
          addition.append(C("String_Node_Str") + "String_Node_Str" + Math.round(plot.getPrice()));
        }
        if (plot.getOwner().equalsIgnoreCase(name)) {
          if (plot.getAllowed().size() == 0) {
            if (name.equalsIgnoreCase(player.getName())) {
              player.sendMessage(plot.getId() + "String_Node_Str" + C("String_Node_Str")+ addition);
            }
 else {
              player.sendMessage(plot.getId() + "String_Node_Str" + plot.getOwner()+ addition);
            }
          }
 else           if (plot.getOwner().equalsIgnoreCase(player.getName())) {
            player.sendMessage(plot.getId() + "String_Node_Str" + C("String_Node_Str")+ addition+ "String_Node_Str"+ C("String_Node_Str")+ "String_Node_Str"+ plot.getAllowed().toString());
          }
 else {
            player.sendMessage(plot.getId() + "String_Node_Str" + plot.getOwner()+ addition+ "String_Node_Str"+ C("String_Node_Str")+ "String_Node_Str"+ plot.getAllowed().toString());
          }
        }
 else         if (plot.isAllowedConsulting(name)) {
          StringBuilder helpers=new StringBuilder();
          for (          String allowed : plot.getAllowed().keySet()) {
            if (player.getName().equalsIgnoreCase(allowed)) {
              if (name.equalsIgnoreCase(player.getName())) {
                helpers.append("String_Node_Str").append("String_Node_Str");
              }
 else {
                helpers.append(args[1]).append("String_Node_Str");
              }
            }
 else {
              helpers.append(allowed).append("String_Node_Str");
            }
          }
          if (helpers.length() > 2) {
            helpers.delete(helpers.length() - 2,helpers.length());
          }
          if (plot.getOwner().equalsIgnoreCase(player.getName())) {
            player.sendMessage(plot.getId() + "String_Node_Str" + C("String_Node_Str")+ addition+ "String_Node_Str"+ C("String_Node_Str")+ "String_Node_Str"+ helpers);
          }
 else {
            player.sendMessage(plot.getId() + "String_Node_Str" + plot.getOwner()+ C("String_Node_Str")+ addition+ "String_Node_Str"+ C("String_Node_Str")+ "String_Node_Str"+ helpers);
          }
        }
      }
    }
 else {
      player.sendMessage(C("String_Node_Str"));
    }
  }
 else {
    return false;
  }
  return true;
}

Fixed version (ground truth):
public boolean execute(ICommandSender sender,String[] args) throws Exception {
  IPlayer player=(IPlayer)sender;
  if (player.hasPermission(PermissionNames.USER_LIST)) {
    if (manager.isPlotWorld(player)) {
      String name;
      UUID uuid;
      if (args.length == 2) {
        name=args[1];
        uuid=null;
        player.sendMessage(C("String_Node_Str") + "String_Node_Str" + name+ "String_Node_Str"+ C("String_Node_Str"));
      }
 else {
        name=player.getName();
        uuid=player.getUniqueId();
        player.sendMessage(C("String_Node_Str"));
      }
      String oldWorld="String_Node_Str";
      for (      Plot plot : plugin.getSqlManager().getPlayerPlots(uuid)) {
        IWorld world=serverBridge.getWorld(plot.getWorld());
        if (world != null) {
          manager.getMap(world).addPlot(plot.getId(),plot);
        }
        StringBuilder addition=new StringBuilder();
        if (!oldWorld.equalsIgnoreCase(plot.getWorld())) {
          oldWorld=plot.getWorld();
          player.sendMessage("String_Node_Str" + plot.getWorld());
        }
        if (plot.getExpiredDate() != null) {
          Date expiredDate=plot.getExpiredDate();
          if (expiredDate.before(Calendar.getInstance().getTime())) {
            addition.append("String_Node_Str" + plot.getExpiredDate());
          }
 else {
            addition.append("String_Node_Str" + plot.getExpiredDate());
          }
        }
        if (plot.isForSale()) {
          addition.append(C("String_Node_Str") + "String_Node_Str" + Math.round(plot.getPrice()));
        }
        if (plot.getOwner().equals(name)) {
          if (plot.getAllowed().size() == 0) {
            if (name.equals(player.getName())) {
              player.sendMessage(plot.getId() + "String_Node_Str" + C("String_Node_Str")+ addition);
            }
 else {
              player.sendMessage(plot.getId() + "String_Node_Str" + plot.getOwner()+ addition);
            }
          }
 else           if (plot.getOwner().equals(player.getName())) {
            player.sendMessage(plot.getId() + "String_Node_Str" + C("String_Node_Str")+ addition+ "String_Node_Str"+ C("String_Node_Str")+ "String_Node_Str"+ plot.getAllowed().toString());
          }
 else {
            player.sendMessage(plot.getId() + "String_Node_Str" + plot.getOwner()+ addition+ "String_Node_Str"+ C("String_Node_Str")+ "String_Node_Str"+ plot.getAllowed().toString());
          }
        }
 else         if (plot.isAllowedConsulting(name)) {
          StringBuilder helpers=new StringBuilder();
          for (          String allowed : plot.getAllowed().keySet()) {
            if (player.getName().equals(allowed)) {
              if (name.equals(player.getName())) {
                helpers.append("String_Node_Str").append("String_Node_Str");
              }
 else {
                helpers.append(args[1]).append("String_Node_Str");
              }
            }
 else {
              helpers.append(allowed).append("String_Node_Str");
            }
          }
          if (helpers.length() > 2) {
            helpers.delete(helpers.length() - 2,helpers.length());
          }
          if (plot.getOwner().equals(player.getName())) {
            player.sendMessage(plot.getId() + "String_Node_Str" + C("String_Node_Str")+ addition+ "String_Node_Str"+ C("String_Node_Str")+ "String_Node_Str"+ helpers);
          }
 else {
            player.sendMessage(plot.getId() + "String_Node_Str" + plot.getOwner()+ C("String_Node_Str")+ addition+ "String_Node_Str"+ C("String_Node_Str")+ "String_Node_Str"+ helpers);
          }
        }
      }
    }
 else {
      player.sendMessage(C("String_Node_Str"));
    }
  }
 else {
    return false;
  }
  return true;
}