Solved Arguments error , please help me fix .

Hello i have made a code . but im getting errors when i dont have args .
i allready checked if arg is null and made else method . but it cant reach it .

Code:

if(args[1]!=null)
{some code}
else{say"check syntax"}

my code (open) my code (close)

Code:

if(args[0].equals("user"))
             {
                 if(args[1] != null)
                 {
                     if( args[1].equals("invite"))
                     {
                     if(args[1] != null && args[2] != null) //kingdom
                     {
                         if(args[1] != null && args[3] != null) //name
                         {
                             if(this.getConfig().getString("kingdoms." + args[2] + ".players" ) != null) //kingdom exists
                             {
                                if(this.getConfig().getString(p.getName() + ".king").equalsIgnoreCase("true"))// p is king
                                {
                                    Player target = Bukkit.getPlayer(args[3]);
                                    if(target != null)  // target exists
                                    {
                                        if(this.getConfig().getString(p.getName()+".kingdom") == null) // has kingdom
                                        {
                                          target.sendMessage("You were invited to kingdom " + args[2]);
                                          invited.put(args[3], args[2]);
                                        }else
                                        {
                                            p.sendMessage(target.getName()+ " has a kingdom");
                                        }
                                    }
                                    else
                                    {
                                      p.sendMessage("Player "+args[3]+" is not online");
                                    }
                                }
                                else
                                 {
                                    p.sendMessage("u are not a king");
                                 }
                             }
                             else
                             {
                                p.sendMessage("check your syntax");
                             }
                         }
                         else
                         {
                            p.sendMessage("check your syntax");
                         }
                     }
                     else
                     {
                        p.sendMessage("check your syntax");
                     }
                  }
                     else if(args[1].equals("kick"))
                     {
                       
                     }
                     else if(args[1].equals("accept"))
                     {
                         if(invited.get(p.getName())!= null)
                         {
                             p.sendMessage("You joined kingdom " + invited.get(p.getName()));
                             this.getConfig().set("kingdoms."+ invited.get(p.getName()) +".players",
                             this.getConfig().getString("kingdoms."+ invited.get(p.getName()) +".players") + " , "+ p.getName());
                             this.getConfig().set(p.getName()+".kingdom", invited.get(p.getName()));
                             this.getConfig().set(p.getName()+".king", "false");
                             this.saveConfig();
                             invited.put(p.getName(),null);
                         }
                         else
                         {
                             p.sendMessage("u didnt recive an invitation");
                         }
                     }
                 }
                 else
                 {
                    p.sendMessage("check your syntax");
                 }
             }

error (open) error (close)

Code:

 null
org.bukkit.command.CommandException: Unhandled exception executing command 'kingdom' in plugin Kingdoms v1.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) ~[craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:620) ~[craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1106) [craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:966) [craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(SourceFile:37) [craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(SourceFile:9) [craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_161]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_161]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:673) [craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:335) [craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:629) [craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:537) [craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_161]
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1
        at pl.kingdoms.Main.onCommand(Main.java:115) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit.1.8.8.jar:git-Bukkit-18fbb24]
        ... 15 more

. thanks

EDIT : yes . i get the error when i do /command user , /command user args[1] ... and with others too

 

@timtower thanks it fixed my problem . but why checking if isnt null doesnt work ?

 

Because you can’t get any index from an array that is null.


Sent from my iPhone using Tapatalk