java.lang.NullPointerException: Unexpected error
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Hi everyone, I’m looking to revisit an old version of Minecraft (around Beta 1.7.3 or so) for nostalgia's sake. I’ve heard it’s possible using the Minecraft Launcher, but I’m not sure if it’s safe or how to do it properly without messing up my current installation or saves. Also, are there any known compatibility issues I should be aware of when switching between versions? I’d appreciate any advice or tips from those who’ve done this before. Thanks in advance for any help -
By Yekaterinnani · Posted
it was flywheel, it's solved now and i am reporting it but i am going to figure what create addon was the cause or if was create itself -
By Yekaterinnani · Posted
I deleted delightful and all farmers delight addon (just in case) and still i have the error :'(, i need to check mod by mod? -
I'm developing a Forge mod for Minecraft 1.16.5 to run on CatServer (version 1.16.5-1d8d6313, Forge 36.2.39). My mod needs to get the player's UUID from a ServerPlayerEntity object within a Forge ServerChatEvent handler. When I use serverPlayerEntity.getUUID(), my mod compiles fine, but I get a java.lang.NoSuchMethodError: net.minecraft.entity.player.ServerPlayerEntity.getUUID()Ljava/util/UUID; at runtime. I cannot use serverPlayerEntity.getUniqueID() as it causes a compile error (cannot find symbol). Is there a known issue with this on CatServer, or a recommended way for a Forge mod to reliably get a player's UUID from ServerPlayerEntity in this environment? My goal is to pass this UUID to the LuckPerms API (which is running as a Bukkit plugin and successfully connected via ServicesManager). erorr ChatMod: FMLServerStartedEvent received. Attempting to initialize LuckPerms connection... [22:45:20] [Server thread/INFO]: ⚙️ Початок ініціалізації LuckPerms API через Bukkit Services Manager... [22:45:20] [Server thread/INFO]: ✅ Bukkit ServicesManager успішно отримано. [22:45:20] [Server thread/INFO]: ✅ Реєстрацію сервісу LuckPerms знайдено. [22:45:20] [Server thread/INFO]: ✅ API LuckPerms успішно отримано від Bukkit plugin! [22:45:20] [Server thread/INFO]: Використовується реалізація: me.lucko.luckperms.common.api.LuckPermsApiProvider [22:45:20] [Server thread/INFO]: ✅ LuckPerms API схоже що успішно ініціалізовано через Bukkit Services Manager. [22:45:24] [User Authenticator #1/INFO]: UUID of player Hiklee is 92cd7721-2652-3867-896b-2ceba5b99306 [22:45:25] [Server thread/INFO]: Using new advancement loading for net.minecraft.advancements.PlayerAdvancements@24cb7a68 [22:45:26] [Server thread/INFO]: Hiklee[/127.0.0.1:41122] logged in with entity id 210 at (92.23203876864889, 95.6183020148442, 68.24087802017877) [22:45:28] [Async Chat Thread - #0/INFO]: ✅ Скасовано стандартне відправлення чату! [22:45:28] [Async Chat Thread - #0/ERROR]: Exception caught during firing event: net.minecraft.entity.player.ServerPlayerEntity.getUUID()Ljava/util/UUID; Index: 1 Listeners: 0: NORMAL 1: ASM: class com.example.chatmod.ChatEventHandler onPlayerChat(Lnet/minecraftforge/event/ServerChatEvent;)V java.lang.NoSuchMethodError: net.minecraft.entity.player.ServerPlayerEntity.getUUID()Ljava/util/UUID; at com.example.chatmod.ChatPacketHandler.getPlayerPrefix(ChatPacketHandler.java:46) at com.example.chatmod.ChatEventHandler.onPlayerChat(ChatEventHandler.java:32) at net.minecraftforge.eventbus.ASMEventHandler_1_ChatEventHandler_onPlayerChat_ServerChatEvent.invoke(.dynamic) at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) at net.minecraftforge.eventbus.EventBus.post(EventBus.java:303) at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) at net.minecraftforge.common.ForgeHooks.onServerChatEvent(ForgeHooks.java:493) at net.minecraft.network.play.ServerPlayNetHandler.chat(ServerPlayNetHandler.java:1717) at net.minecraft.network.play.ServerPlayNetHandler.func_244548_c(ServerPlayNetHandler.java:1666) at net.minecraft.network.play.ServerPlayNetHandler.func_147354_a(ServerPlayNetHandler.java:1605) at net.minecraft.network.play.client.CChatMessagePacket.lambda$handle$0(CChatMessagePacket.java:34) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:750 -
By Yekaterinnani · Posted
Thank you so much for your help, I'll try it as soon as I can. I have a genuine question because I'm not familiar with the matter: Can a recipe error cause something as serious as the AMD error?
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