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[Explanation] How does Minecraft UUID auth system works?


CatDany
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Hey, I made a quick explanation of Minecraft UUID auth system implemented in 1.7.

If you're interested in how it works, read further.

 

 

 

> Since 1.7 came out, there's a "GameProfile" assigned to every player now. You can get GameProfile of a player by using EntityPlayer.getGameProfile(). Yeah, with that said, you probably still wonder how does Minecraft UUID system work. Let me start explaining that.

 

>>>>>>>>>>>>>>>>>>>>>>>> DISCLAIMER! <<<<<<<<<<<<<<<<<<<<<<<<

>> 1. English is not my main language, I could make mistakes

>> 2. I could be wrong.

 

1. UUID in Java

> There's a concept of Universally Unique Identifier. If you're not familiar with it, try reading that*. If you have no time (too lazy) to read it, I'm going to cut a long story short here. UUID is an ID made out of 128 bits (16 bytes, 2 longs). It's called "unique" because the random number generator used when doing UUID.randomUUID() is very strong. According to wikipedia "only after generating 1 billion UUIDs every second for the next 100 years, the probability of creating just one duplicate would be about 50%", so yeah, pretty strong. UUIDs can be converted to hexadecimal string and backwards. They can also be generated from any amount of bytes as a random seed(UUID.nameUUIDFromBytes(byte[])), that's what Minecraft uses to get UUIDs from account / nickname.

 

2. Getting UUID from player's account

> There's a UUID assigned with every Minecraft account. When the player enters the game, session id, as well as account UUID, is provided in program arguments. Then it converts into a real UUID by using UUID.fromString(arg). This UUID will be sent to the server when the played connects to it, identificator is also used in constructor of a GameProfile (new GameProfile(UUID, username)).

 

3. Getting UUID from an offline player

> Remember, I mentioned UUID.nameUUIDFromBytes(byte[])? Minecraft generates an offline UUID from bytes of string "OfflinePlayer:<nickname>", in other words: "UUID.nameUUIDFromBytes(("OfflinePlayer:" + getName()).getBytes(Charsets.UTF_8)". That's why when you change "online-mode" in settings.properties, everyone loses their inventories and player infos. UUID is changed, so it leads to another file in "playerdata" folder of your world.

 

That's probably all the explanation of this whole UUID auth system.

 

Source:

> Me researching minecraft sources while I'm modding

 

* https://en.wikipedia.org/wiki/Universally_unique_identifier

 

 

 

Permanent link:

bit.ly/minecraftuuid

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Time: 12/3/22, 1:41 AM Description: Initializing game org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered     at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at 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chunkanimator.mixins.json:LevelRendererMixin -> Prepare Injections ->  -> redirect$dba000$preventDefaultOffset(Lcom/mojang/blaze3d/shaders/Uniform;FFF)V -> Prepare]     at org.spongepowered.asm.mixin.injection.code.Injector.findTargetNodes(Injector.java:305) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.injection.code.Injector.find(Injector.java:240) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.injection.struct.InjectionInfo.prepare(InjectionInfo.java:421) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.transformer.MixinTargetContext.prepareInjections(MixinTargetContext.java:1319) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.prepareInjections(MixinApplicatorStandard.java:1042) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:393) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:325) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:383) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:365) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     ... 28 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Stacktrace:     at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}     at cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:156) ~[modlauncher-9.1.3.jar:9.1.3+9.1.3+main.9b69c82a] {}     at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:88) ~[modlauncher-9.1.3.jar:?] {}     at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120) ~[modlauncher-9.1.3.jar:?] {}     at cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:50) ~[modlauncher-9.1.3.jar:?] {}     at cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:110) ~[securejarhandler-1.0.3.jar:?] {}     at cpw.mods.cl.ModuleClassLoader.lambda$findClass$16(ModuleClassLoader.java:216) ~[securejarhandler-1.0.3.jar:?] {}     at 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(WinBuild.160101.0800):Microsoft Corporation         DEVOBJ.dll:Device Information Set DLL:10.0.19041.1620 (WinBuild.160101.0800):Microsoft Corporation         DNSAPI.dll:DLL da API de cliente DNS:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         GDI32.dll:GDI Client DLL:10.0.19041.2130 (WinBuild.160101.0800):Microsoft Corporation         GLU32.dll:DLL da biblioteca de utilitários OpenGL:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         HID.DLL:Biblioteca de Usuário de HID:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         IMM32.DLL:Multi-User Windows IMM32 API Client DLL:10.0.19041.2193 (WinBuild.160101.0800):Microsoft Corporation         IPHLPAPI.DLL:API de Auxiliar de IP:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         KERNEL32.DLL:DLL cliente da API BASE do Windows NT:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         KERNELBASE.dll:DLL cliente da API BASE do Windows NT:10.0.19041.2248 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(WinBuild.160101.0800):Microsoft Corporation         VCRUNTIME140.dll:Microsoft® C Runtime Library:14.29.30133.0 built by: vcwrkspc:Microsoft Corporation         VERSION.dll:Version Checking and File Installation Libraries:10.0.19041.546 (WinBuild.160101.0800):Microsoft Corporation         WINHTTP.dll:Windows HTTP Services:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         WINMM.dll:MCI API DLL:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         WINSTA.dll:Winstation Library:10.0.19041.2075 (WinBuild.160101.0800):Microsoft Corporation         WINTRUST.dll:Microsoft Trust Verification APIs:10.0.19041.2193 (WinBuild.160101.0800):Microsoft Corporation         WS2_32.dll:DLL de 32 bits do Windows Socket 2.0:10.0.19041.1081 (WinBuild.160101.0800):Microsoft Corporation         WSOCK32.dll:Windows Socket 32-Bit DLL:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         WTSAPI32.dll:Windows Remote Desktop Session Host Server SDK APIs:10.0.19041.546 (WinBuild.160101.0800):Microsoft Corporation         Wldp.dll:Política de Bloqueio do Windows:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         amsi.dll:Anti-Malware Scan Interface:10.0.19041.2075 (WinBuild.160101.0800):Microsoft Corporation         aswAMSI.dll:Avast AMSI COM object:22.11.7716.0:AVAST Software         bcrypt.dll:Biblioteca de Primitivos Criptografados do Windows:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         bcryptPrimitives.dll:Windows Cryptographic Primitives Library:10.0.19041.1415 (WinBuild.160101.0800):Microsoft Corporation         cfgmgr32.dll:Configuration Manager DLL:10.0.19041.1620 (WinBuild.160101.0800):Microsoft Corporation         clbcatq.dll:COM+ Configuration Catalog:2001.12.10941.16384 (WinBuild.160101.0800):Microsoft Corporation         combase.dll:Microsoft COM para Windows:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         cryptnet.dll:Crypto Network Related API:10.0.19041.906 (WinBuild.160101.0800):Microsoft Corporation         dbgcore.DLL:Windows Core Debugging Helpers:10.0.19041.789 (WinBuild.160101.0800):Microsoft Corporation         dhcpcsvc.DLL:Serviço do Cliente DHCP:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         dhcpcsvc6.DLL:Cliente DHCPv6:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         dinput8.dll:Microsoft DirectInput:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         drvstore.dll:Driver Store API:10.0.19041.1949 (WinBuild.160101.0800):Microsoft Corporation         dwmapi.dll:API do Gerenciador de Janelas da Área de Trabalho Microsoft:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         dxcore.dll:DXCore:10.0.19041.546 (WinBuild.160101.0800):Microsoft Corporation         fwpuclnt.dll:API de Modo de Usuário FWP/IPsec:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         gdi32full.dll:GDI Client DLL:10.0.19041.2130 (WinBuild.160101.0800):Microsoft Corporation         glfw.dll         icm32.dll:Microsoft Color Management Module (CMM):10.0.19041.546 (WinBuild.160101.0800):Microsoft Corporation         inputhost.dll:InputHost:10.0.19041.1741 (WinBuild.160101.0800):Microsoft Corporation         java.dll:OpenJDK Platform binary:17.0.1.0:Microsoft         javaw.exe:OpenJDK Platform binary:17.0.1.0:Microsoft         jimage.dll:OpenJDK Platform binary:17.0.1.0:Microsoft         jli.dll:OpenJDK Platform binary:17.0.1.0:Microsoft         jna15256546126711392644.dll:JNA native library:6.1.2:Java(TM) Native Access (JNA)         jvm.dll:OpenJDK 64-Bit server VM:17.0.1.0:Microsoft         kernel.appcore.dll:AppModel API Host:10.0.19041.546 (WinBuild.160101.0800):Microsoft Corporation         lwjgl.dll         lwjgl_opengl.dll         lwjgl_stb.dll         management.dll:OpenJDK Platform binary:17.0.1.0:Microsoft         management_ext.dll:OpenJDK Platform binary:17.0.1.0:Microsoft         mscms.dll:DLL do Sistema de Correspondência de Cores Microsoft:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         msvcp140.dll:Microsoft® C Runtime Library:14.29.30133.0 built by: vcwrkspc:Microsoft Corporation         msvcp_win.dll:Microsoft® C Runtime Library:10.0.19041.789 (WinBuild.160101.0800):Microsoft Corporation         msvcrt.dll:Windows NT CRT DLL:7.0.19041.546 (WinBuild.160101.0800):Microsoft Corporation         mswsock.dll:Provedor de serviços do Microsoft Windows Sockets 2.0:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         napinsp.dll:Provedor de Correção de Nomeação de Emails:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         ncrypt.dll:Roteador NCrypt do Windows:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         net.dll:OpenJDK Platform binary:17.0.1.0:Microsoft         nio.dll:OpenJDK Platform binary:17.0.1.0:Microsoft         ntdll.dll:DLL de nível do NT:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         ntmarta.dll:Provedor MARTA do Windows NT:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         nvoglv64.dll:NVIDIA Compatible OpenGL ICD:31.0.15.1694:NVIDIA Corporation         nvspcap64.dll:NVIDIA Game Proxy:3.26.0.154:NVIDIA Corporation         opengl32.dll:OpenGL Client DLL:10.0.19041.2193 (WinBuild.160101.0800):Microsoft Corporation         perfos.dll:DLL de objetos de desempenho de sistema do Windows:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         pnrpnsp.dll:PNRP Name Space Provider:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         profapi.dll:User Profile Basic API:10.0.19041.844 (WinBuild.160101.0800):Microsoft Corporation         rasadhlp.dll:Remote Access AutoDial Helper:10.0.19041.546 (WinBuild.160101.0800):Microsoft Corporation         rsaenh.dll:Microsoft Enhanced Cryptographic Provider:10.0.19041.1 (WinBuild.160101.0800):Microsoft Corporation         sechost.dll:Host for SCM/SDDL/LSA Lookup APIs:10.0.19041.1 (WinBuild.160101.0800):Microsoft Corporation         shlwapi.dll:Biblioteca de utilitário abreviado para Shell:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         sunmscapi.dll:OpenJDK Platform binary:17.0.1.0:Microsoft         svml.dll:OpenJDK Platform binary:17.0.1.0:Microsoft         textinputframework.dll:"TextInputFramework.DYNLINK":10.0.19041.2075 (WinBuild.160101.0800):Microsoft Corporation         ucrtbase.dll:Microsoft® C Runtime Library:10.0.19041.789 (WinBuild.160101.0800):Microsoft Corporation         uxtheme.dll:Biblioteca UxTheme Microsoft:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         vcruntime140_1.dll:Microsoft® C Runtime Library:14.29.30133.0 built by: vcwrkspc:Microsoft Corporation         verify.dll:OpenJDK Platform binary:17.0.1.0:Microsoft         win32u.dll:Win32u:10.0.19041.2251 (WinBuild.160101.0800):Microsoft Corporation         windows.storage.dll:API de Armazenamento Microsoft WinRT:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         winrnr.dll:LDAP RnR Provider DLL:10.0.19041.546 (WinBuild.160101.0800):Microsoft Corporation         wintypes.dll:DLL dos Tipos de Base do Windows:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         wshbth.dll:Windows Sockets Helper DLL:10.0.19041.546 (WinBuild.160101.0800):Microsoft Corporation         xinput1_4.dll:API do Controlador Comum da Microsoft:10.0.19041.2248 (WinBuild.160101.0800):Microsoft Corporation         zip.dll:OpenJDK Platform binary:17.0.1.0:Microsoft Stacktrace:     at net.minecraft.client.main.Main.main(Main.java:169) ~[client-1.18.2-20220404.173914-srg.jar%23266!/:?] {re:classloading,pl:runtimedistcleaner:A}     at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}     at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}     at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}     at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}     at net.minecraftforge.fml.loading.targets.CommonClientLaunchHandler.lambda$launchService$0(CommonClientLaunchHandler.java:31) ~[fmlloader-1.18.2-40.1.86.jar%2317!/:?] {}     at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.3.jar%235!/:?] {}     at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.3.jar%235!/:?] {}     at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.3.jar%235!/:?] {}     at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.3.jar%235!/:?] {}     at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.3.jar%235!/:?] {}     at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.3.jar%235!/:?] {}     at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.3.jar%235!/:?] {}     at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?] {} -- System Details -- Details:     Minecraft Version: 1.18.2     Minecraft Version ID: 1.18.2     Operating System: Windows 10 (amd64) version 10.0     Java Version: 17.0.1, Microsoft     Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft     Memory: 2767274184 bytes (2639 MiB) / 3523215360 bytes (3360 MiB) up to 9663676416 bytes (9216 MiB)     CPUs: 8     Processor Vendor: GenuineIntel     Processor Name: Intel(R) Core(TM) i5-10300H CPU @ 2.50GHz     Identifier: Intel64 Family 6 Model 165 Stepping 2     Microarchitecture: unknown     Frequency (GHz): 2.50     Number of physical packages: 1     Number of physical CPUs: 4     Number of logical CPUs: 8     Graphics card #0 name: Intel(R) UHD Graphics     Graphics card #0 vendor: Intel Corporation (0x8086)     Graphics card #0 VRAM (MB): 1024.00     Graphics card #0 deviceId: 0x9bc4     Graphics card #0 versionInfo: DriverVersion=30.0.100.9864     Graphics card #1 name: NVIDIA GeForce GTX 1650     Graphics card #1 vendor: NVIDIA (0x10de)     Graphics card #1 VRAM (MB): 4095.00     Graphics card #1 deviceId: 0x1f99     Graphics card #1 versionInfo: DriverVersion=31.0.15.1694     Memory slot #0 capacity (MB): 8192.00     Memory slot #0 clockSpeed (GHz): 3.20     Memory slot #0 type: DDR4     Memory slot #1 capacity (MB): 8192.00     Memory slot #1 clockSpeed (GHz): 3.20     Memory slot #1 type: DDR4     Virtual memory max (MB): 20823.05     Virtual memory used (MB): 12036.39     Swap memory total (MB): 4608.00     Swap memory used (MB): 109.69     JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx9216m -Xms256m     Launched Version: forge-40.1.86     Backend library: LWJGL version 3.2.2 SNAPSHOT     Backend API: NVIDIA GeForce GTX 1650/PCIe/SSE2 GL version 4.6.0 NVIDIA 516.94, NVIDIA Corporation     Window size: <not initialized>     GL Caps: Using framebuffer using OpenGL 3.2     GL debug messages:      Using VBOs: Yes     Is Modded: Definitely; Client brand changed to 'forge'     Type: Client (map_client.txt)     CPU: 8x Intel(R) Core(TM) i5-10300H CPU @ 2.50GHz     ModLauncher: 9.1.3+9.1.3+main.9b69c82a     ModLauncher launch target: forgeclient     ModLauncher naming: srg     ModLauncher services:           mixin PLUGINSERVICE           eventbus PLUGINSERVICE           slf4jfixer PLUGINSERVICE           object_holder_definalize PLUGINSERVICE           runtime_enum_extender PLUGINSERVICE           capability_token_subclass PLUGINSERVICE           accesstransformer PLUGINSERVICE           runtimedistcleaner PLUGINSERVICE           mixin TRANSFORMATIONSERVICE           fml TRANSFORMATIONSERVICE      FML Language Providers:          minecraft@1.0         lowcodefml@null         javafml@null     Mod List:          client-1.18.2-20220404.173914-srg.jar             |Minecraft                     |minecraft                     |1.18.2              |NONE      |Manifest: a1:d4:5e:04:4f:d3:d6:e0:7b:37:97:cf:77:b0:de:ad:4a:47:ce:8c:96:49:5f:0a:cf:8c:ae:b2:6d:4b:8a:3f         forge-1.18.2-40.1.86-universal.jar                |Forge                         |forge                         |40.1.86             |NONE      |Manifest: 84:ce:76:e8:45:35:e4:0e:63:86:df:47:59:80:0f:67:6c:c1:5f:6e:5f:4d:b3:54:47:1a:9f:7f:ed:5e:f2:90
    • Здравствуйте , столкнулся с проблемой после сброса (отчистки пк) от посторонних файлов сервер перестал запускаться решил переустановить по инструкции но после 2 запуска пишет Ignoring unknown attribute 'forge.swimSpeed' [12:24:45 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:45 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:45 INFO]: Preparing spawn area: 59% [12:24:45 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:45 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:45 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:46 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:46 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:46 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:46 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:46 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:46 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:46 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:46 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:46 WARN]: Ignoring unknown attribute 'forge.swimSpeed' [12:24:46 INFO]: Done (2,046s)! For help, type "help" or "?"  в командной строке что с этим делать? сразу я этому не предал значение но после редактирования в файле server.properties (айпи сервера и online mode true изменил на online-mode=false вроде так называется) перестал запускаться а именно консоль открывается и закрывается после я поместил файл start.bat в командную строку пишет C:\Users\User>"C:\ddddd\bin\java.exe" -Xmx1024M -Xms1024M -jar forge-1.12.2-14.23.5.2860.jar nogui Error: Unable to access jarfile forge-1.12.2-14.23.5.2860.jar сервер не работает но до отчистки работал можете пожалуйста сказать почему и как это исправить сам пытался переустанавливать уже 2 недели прошло с того момента как не запускается все гайды пересмотрел не помогает   
    • Im using forge to play modded 1.18.2 with optifine. There is no problem launching the game however whenever I try to join a world, it crashes saying "an unexpected error occurred"  heres the crash log https://pastebin.com/yX5Y5kEH
    • Thank you so much! I deleted Oculus and it seems to work just fine. I'll do more to update see what was the interaction or exact thing that made it crash. Thanks again so much for your help!
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