I got this subcommand and when I type /aa add "String" I get NumberFormatException on chat but not on console. Code (Text): else if (args.length >= 2) { String subcommand = args[0]; Integer money = Integer.parseInt(args[1]); if (subcommand.equalsIgnoreCase("add")) { if (money != null) { try { money = Integer.parseInt(args[1]); } catch (NumberFormatException ex) { commandSender.sendMessage("§c§l(!) §cWrong usage:§7 /aa add #"); } commandSender.sendMessage("Working!"); } } else { commandSender.sendMessage("§c§l(!) §cWrong usage:§7 /aa add #"); } }
Thanks for your help. But another error: Code (Text): null org.bukkit.command.CommandException: Unhandled exception executing command 'aa' in plugin AA v1.0.0 at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[server.jar:git-Spigot-e4d4710-e1ebe52] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[server.jar:git-Spigot-e4d4710-e1ebe52] at com.massivecraft.massivelag.inject.command.MassiveLagCommandMap.dispatch(MassiveLagCommandMap.java:59) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) ~[server.jar:git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [server.jar:git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [server.jar:git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [server.jar:git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [server.jar:git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [server.jar:git-Spigot-e4d4710-e1ebe52] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_66] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_66] at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [server.jar:git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [server.jar:git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [server.jar:git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [server.jar:git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [server.jar:git-Spigot-e4d4710-e1ebe52] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_66] Caused by: java.lang.NumberFormatException: For input string: "1s" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) ~[?:1.8.0_66] at java.lang.Integer.parseInt(Integer.java:580) ~[?:1.8.0_66] at java.lang.Integer.parseInt(Integer.java:615) ~[?:1.8.0_66] at com.wtfactions.aa.Commands.onCommand(Commands.java:51) ~[?:?] at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[server.jar:git-Spigot-e4d4710-e1ebe52] ... 16 more
Since "1s" is not a number, (1 is), it is throwing the NumberFormatException. After the "Catch" add a return; statement.
Code (Text): try { Integer.parseInt(args[1]); } catch (NumberFormatException ex) { commandSender.sendMessage("§c§l(!) §cWrong usage:§7 /aa add #"); return; } commandSender.sendMessage("Working!"); } This will prevent the error from showing.
return does not need to be anything. The return type srictly depends on what your method return type is. If your method return type is void, you can just use return; Methods that return integers need return *SOME_INTEGER*; in the statment Methods that return string need return *SOME_STRING*; in the statement However, because the onCommand returns a boolean, you will need to return either true or false, it doesn't matter which one in this case.
I just added return true; it didn't work then I moved the catch to line 4 as @Orinion77 suggested and it's working thanks to you guys
