Program: 10534
Project: 10534
Buggy source:
@Override public boolean execute(ScriptEntry theEntry) throws CommandException {
  TakeType takeType=null;
  int amount=1;
  ItemStack item=null;
  if (theEntry.arguments() != null) {
    for (    String thisArgument : theEntry.arguments()) {
      if (plugin.debugMode)       plugin.getLogger().info("String_Node_Str" + theEntry.getCommand() + "String_Node_Str"+ thisArgument);
      if (thisArgument.matches("String_Node_Str")) {
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        amount=Integer.valueOf(thisArgument.split("String_Node_Str")[1]);
      }
 else       if (thisArgument.toUpperCase().contains("String_Node_Str")) {
        takeType=TakeType.ITEMINHAND;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
      }
 else       if (thisArgument.toUpperCase().contains("String_Node_Str")) {
        takeType=TakeType.MONEY;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
      }
 else       if (thisArgument.matches("String_Node_Str")) {
        takeType=TakeType.ITEM;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        try {
          item=new ItemStack(Integer.valueOf(thisArgument));
        }
 catch (        Exception e) {
          plugin.getLogger().log(Level.INFO,"String_Node_Str");
        }
      }
 else       if (thisArgument.matches("String_Node_Str")) {
        takeType=TakeType.ITEM;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        try {
          item=new ItemStack(Integer.valueOf(thisArgument.split("String_Node_Str")[0]));
          item.setData(new MaterialData(Integer.valueOf(thisArgument.split("String_Node_Str")[1])));
        }
 catch (        Exception e) {
          plugin.getLogger().log(Level.INFO,"String_Node_Str");
        }
      }
 else       if (thisArgument.matches("String_Node_Str")) {
        takeType=TakeType.ITEM;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        try {
          item=new ItemStack(Material.valueOf(thisArgument.toUpperCase()));
        }
 catch (        Exception e) {
          plugin.getLogger().log(Level.INFO,"String_Node_Str");
        }
      }
 else       if (thisArgument.matches("String_Node_Str")) {
        takeType=TakeType.ITEM;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        try {
          item=new ItemStack(Material.valueOf(thisArgument.split("String_Node_Str")[0].toUpperCase()));
          item.setData(new MaterialData(Integer.valueOf(thisArgument.split("String_Node_Str")[1])));
        }
 catch (        Exception e) {
          plugin.getLogger().log(Level.INFO,"String_Node_Str");
        }
      }
 else       if (plugin.debugMode)       plugin.getLogger().log(Level.INFO,"String_Node_Str");
    }
  }
  if (takeType != null) {
switch (takeType) {
case MONEY:
      if (plugin.economy != null) {
        double playerBalance=plugin.economy.getBalance(theEntry.getPlayer().getName());
        double doubleAmount=Double.valueOf(amount);
        if (doubleAmount > playerBalance) {
          if (plugin.debugMode)           plugin.getLogger().log(Level.INFO,"String_Node_Str");
          doubleAmount=playerBalance;
        }
        plugin.economy.withdrawPlayer(theEntry.getPlayer().getName(),doubleAmount);
      }
 else {
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
      }
    break;
case ITEMINHAND:
  int inHandAmt=theEntry.getPlayer().getItemInHand().getAmount();
ItemStack newHandItem=new ItemStack(Material.AIR);
if (amount > inHandAmt) {
amount=inHandAmt;
if (plugin.debugMode) plugin.getLogger().log(Level.INFO,"String_Node_Str");
}
 else {
newHandItem=new ItemStack(theEntry.getPlayer().getItemInHand().getType(),inHandAmt - amount);
newHandItem.setData(new MaterialData(theEntry.getPlayer().getItemInHand().getData().getData()));
}
theEntry.getPlayer().setItemInHand(newHandItem);
break;
case ITEM:
item.setAmount(amount);
if (!theEntry.getPlayer().getInventory().removeItem().isEmpty()) if (plugin.debugMode) plugin.getLogger().log(Level.INFO,"String_Node_Str");
break;
}
return true;
}
if (plugin.debugMode) throw new CommandException("String_Node_Str");
return false;
}

Fixed version (ground truth):
@Override public boolean execute(ScriptEntry theEntry) throws CommandException {
  TakeType takeType=null;
  int amount=1;
  ItemStack item=null;
  if (theEntry.arguments() != null) {
    for (    String thisArgument : theEntry.arguments()) {
      if (plugin.debugMode)       plugin.getLogger().info("String_Node_Str" + theEntry.getCommand() + "String_Node_Str"+ thisArgument);
      if (thisArgument.matches("String_Node_Str")) {
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        amount=Integer.valueOf(thisArgument.split("String_Node_Str")[1]);
      }
 else       if (thisArgument.toUpperCase().contains("String_Node_Str")) {
        takeType=TakeType.ITEMINHAND;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
      }
 else       if (thisArgument.toUpperCase().contains("String_Node_Str")) {
        takeType=TakeType.MONEY;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
      }
 else       if (thisArgument.matches("String_Node_Str")) {
        takeType=TakeType.ITEM;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        try {
          item=new ItemStack(Integer.valueOf(thisArgument));
        }
 catch (        Exception e) {
          plugin.getLogger().log(Level.INFO,"String_Node_Str");
        }
      }
 else       if (thisArgument.matches("String_Node_Str")) {
        takeType=TakeType.ITEM;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        try {
          item=new ItemStack(Integer.valueOf(thisArgument.split("String_Node_Str")[0]));
          item.setData(new MaterialData(Integer.valueOf(thisArgument.split("String_Node_Str")[1])));
        }
 catch (        Exception e) {
          plugin.getLogger().log(Level.INFO,"String_Node_Str");
        }
      }
 else       if (thisArgument.matches("String_Node_Str")) {
        takeType=TakeType.ITEM;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        try {
          item=new ItemStack(Material.valueOf(thisArgument.toUpperCase()));
        }
 catch (        Exception e) {
          plugin.getLogger().log(Level.INFO,"String_Node_Str");
        }
      }
 else       if (thisArgument.matches("String_Node_Str")) {
        takeType=TakeType.ITEM;
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        try {
          item=new ItemStack(Material.valueOf(thisArgument.split("String_Node_Str")[0].toUpperCase()));
          item.setData(new MaterialData(Integer.valueOf(thisArgument.split("String_Node_Str")[1])));
        }
 catch (        Exception e) {
          plugin.getLogger().log(Level.INFO,"String_Node_Str");
        }
      }
 else       if (plugin.debugMode)       plugin.getLogger().log(Level.INFO,"String_Node_Str");
    }
  }
  if (takeType != null) {
switch (takeType) {
case MONEY:
      if (plugin.economy != null) {
        double playerBalance=plugin.economy.getBalance(theEntry.getPlayer().getName());
        double doubleAmount=Double.valueOf(amount);
        if (doubleAmount > playerBalance) {
          if (plugin.debugMode)           plugin.getLogger().log(Level.INFO,"String_Node_Str");
          doubleAmount=playerBalance;
        }
        plugin.economy.withdrawPlayer(theEntry.getPlayer().getName(),doubleAmount);
      }
 else {
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
      }
    break;
case ITEMINHAND:
  int inHandAmt=theEntry.getPlayer().getItemInHand().getAmount();
ItemStack newHandItem=new ItemStack(Material.AIR);
if (amount > inHandAmt) {
amount=inHandAmt;
if (plugin.debugMode) plugin.getLogger().log(Level.INFO,"String_Node_Str");
}
 else {
newHandItem=new ItemStack(theEntry.getPlayer().getItemInHand().getType(),inHandAmt - amount);
newHandItem.setData(new MaterialData(theEntry.getPlayer().getItemInHand().getData().getData()));
}
theEntry.getPlayer().setItemInHand(newHandItem);
break;
case ITEM:
item.setAmount(amount);
if (!theEntry.getPlayer().getInventory().removeItem(item).isEmpty()) if (plugin.debugMode) plugin.getLogger().log(Level.INFO,"String_Node_Str");
break;
}
return true;
}
if (plugin.debugMode) throw new CommandException("String_Node_Str");
return false;
}