Error With Currency Plugin

Discussion in 'Plugin Development' started by ThatGuyWhoDied13, Jan 15, 2014.

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  1. Offline

    ThatGuyWhoDied13

    Why am I getting this error with my plugin

    Stack trace (open)

    Code:
    [21:13:32] [Server thread/INFO]: Done (5.881s)! For help, type "help" or "?"
[21:14:22] [User Authenticator #1/INFO]: UUID of player Kevy_Porter is c03baa38d2df4f39a6ca5d96635e5f8a
[21:14:22] [Server thread/INFO]: Kevy_Porter[/127.0.0.1:10708] logged in with entity id 15 at ([world] 20.570842528040636, 102.79392451871257, 1.0746954223996814)
[21:14:25] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2576ms behind, skipping 51 tick(s)
[21:14:26] [Server thread/INFO]: Kevy_Porter issued server command: /money
[21:14:26] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'money' in plugin Server Plugin v1.0
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:196) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:542) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:932) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1
    at me.kevyporter.kevyandazza.money.Money.onCommand(Money.java:31) ~[?:?]
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    ... 13 more
[21:14:30] [Server thread/INFO]: Kevy_Porter issued server command: /money help
[21:14:30] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'money' in plugin Server Plugin v1.0
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:196) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:542) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:932) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1
    at me.kevyporter.kevyandazza.money.Money.onCommand(Money.java:31) ~[?:?]
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    ... 13 more
[21:14:40] [Server thread/INFO]: Kevy_Porter issued server command: /money add Kevy_Porter 10
[21:14:40] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'money' in plugin Server Plugin v1.0
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:196) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:542) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:932) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
Caused by: java.lang.NullPointerException
    at me.kevyporter.kevyandazza.money.Money.addMoney(Money.java:18) ~[?:?]
    at me.kevyporter.kevyandazza.money.Money.onCommand(Money.java:56) ~[?:?]
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    ... 13 more
[21:14:45] [Server thread/INFO]: Kevy_Porter issued server command: /money take Kevy_Porter 10
[21:14:45] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'money' in plugin Server Plugin v1.0
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:196) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:542) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:932) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
Caused by: java.lang.NullPointerException
    at me.kevyporter.kevyandazza.money.Money.takeMoney(Money.java:24) ~[?:?]
    at me.kevyporter.kevyandazza.money.Money.onCommand(Money.java:62) ~[?:?]
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    ... 13 more
[21:14:59] [Server thread/INFO]: Kevy_Porter issued server command: /money view Kevy_Porter
[21:14:59] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'money' in plugin Server Plugin v1.0
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:196) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:542) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:932) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
Caused by: java.lang.ArrayIndexOutOfBoundsException: 2
    at me.kevyporter.kevyandazza.money.Money.onCommand(Money.java:32) ~[?:?]
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    ... 13 more
[21:15:08] [Server thread/INFO]: CONSOLE: Stopping the server..


    Main.java (open)

    Code:java
    1.  
    2. public class Main extends JavaPlugin implements Listener{
    3.  
    4.     public void onEnable(){
    5.         getLogger().warning("Enabled Plugin!");
    6.  
    7.         PluginManager pm = Bukkit.getPluginManager();
    8.         pm.registerEvents(this, this);
    9.  
    10.         Money moneyCommands = new Money();
    11.         getCommand("money").setExecutor(moneyCommands);
    12.     }
    13.  
    14.     public void onDisable(){
    15.         getLogger().warning("Disabled Plugin!");
    16.     }
    17.  
    18. }



    Money.java (open)
    Code:java
    1. public class Money implements CommandExecutor {
    2.  
    3.     HashMap<Player, Integer> money = new HashMap<Player, Integer>();
    4.  
    5.     public void addMoney(Player p, Integer amount){
    6.         Integer current = money.get(p);
    7.         Integer now = current + amount;
    8.         money.put(p, now);
    9.     }
    10.  
    11.     public void takeMoney(Player p, Integer amount){
    12.         Integer current = money.get(p);
    13.         Integer now = current - amount;
    14.         money.put(p, now);
    15.     }
    16.  
    17.     public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
    18.  
    19.         Player p = (Player)sender;
    20.         Player t = Bukkit.getServer().getPlayer(args[1]);
    21.         int m = Integer.parseInt(args[2]);
    22.  
    23.         if(cmd.getName().equalsIgnoreCase("money")){
    24.  
    25.             if(args.length == 0){
    26.  
    27.                 p.sendMessage(ChatColor.RED + "Usage: /money help");
    28.  
    29.             }else if(args[0].equalsIgnoreCase("help")){
    30.  
    31.                 p.sendMessage(ChatColor.RED + "/money give <player> <ammout>");
    32.                 p.sendMessage(ChatColor.RED + "/money take <player> <ammout>");
    33.                 p.sendMessage(ChatColor.RED + "/moey view <player>");
    34.  
    35.             }
    36.  
    37.             if(args[0].equalsIgnoreCase("view")){
    38.  
    39.                 p.sendMessage(ChatColor.AQUA + t.getName() + " has a balance of " + ChatColor.GOLD + "$" + ChatColor.GREEN + money.get(t));
    40.  
    41.             }
    42.  
    43.             if(args[0].equalsIgnoreCase("add")){
    44.  
    45.                 addMoney(t, m);
    46.  
    47.             }
    48.  
    49.             if(args[0].equalsIgnoreCase("take")){
    50.  
    51.                 takeMoney(t, m);
    52.  
    53.             }
    54.  
    55.         }
    56.  
    57.         return false;
    58.     }
    59.  
    60. }
    61.  
     
    ThatGuyWhoDied13, Jan 15, 2014
    #1
  2. Offline

    1Rogue

    You parse command arguments before checking if they exist via "args.length":

    Code:java
    1. Player t = Bukkit.getServer().getPlayer(args[1]);
    2. int m = Integer.parseInt(args[2]);
     
    1Rogue, Jan 15, 2014
    #2
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