org.bukkit.command.CommandException: Unhandled exception executing command 'dz' in plugin SuperForge v1.8.2
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:648) ~[spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1397) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1232) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_121]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_121]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:748) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_121]
Caused by: java.lang.NullPointerException
        at xiaokun.forge.util.ItemUtil.getLore(ItemUtil.java:84) ~[?:?]
        at xiaokun.forge.config.ItemConfig.getForgeItem(ItemConfig.java:91) ~[?:?]
        at xiaokun.forge.command.subcommand.ItemCommand.execute(ItemCommand.java:53) ~[?:?]
        at xiaokun.forge.command.CommandHandler.onCommand(CommandHandler.java:65) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]

上传下完整的log

[10:23:35 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'dz' in plugin SuperForge v1.8.2
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:648) ~[spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1397) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1232) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_121]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_121]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:748) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_121]
Caused by: java.lang.NullPointerException
        at xiaokun.forge.util.ItemUtil.getLore(ItemUtil.java:84) ~[?:?]
        at xiaokun.forge.config.ItemConfig.getForgeItem(ItemConfig.java:91) ~[?:?]
        at xiaokun.forge.command.subcommand.ItemCommand.execute(ItemCommand.java:53) ~[?:?]
        at xiaokun.forge.command.CommandHandler.onCommand(CommandHandler.java:65) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot-1.12.2-R0.1-SNAPSHOT-b1648.jar:git-Spigot-642f6d2-57ab4cf]
        ... 15 more

xiaokun是个玩家名字嘛？
如果是的话
应该就是xiaokun在输入锻造指令的时候发生指令处理异常NPE
检查下你的superforge插件
[娱乐|机制|综合]SuperForge——重做后的更好锻造插件[1.9-1.12.2]
https://www.mcbbs.net/thread-976158-1-1.html
(出处: Minecraft(我的世界)中文论坛)

不是玩家名字 我也不知道是什么
但是指令是我输入的

解决了  是我config里面有东西错误了

我还在找问题所在

好像没解决 好像因为什么插件问题搞得dz的指令有时候失效

dz冲突呗  你可以用duanzao

已经解决了