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Mod has class loading errors [SOLVED]

Posted February 6, 20223 yr

Hey everyone, im creating a mod and i started doing it and always got a "Mod has class loading errors" so i started to delete the files i done and tried starting minecraft again (before i created the files it worked so i thought when i delete them it will work again but it doesnt) and got a crash again

Crash log:

Spoiler

[06Feb.2022 02:35:45.737] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--launchTarget, forgeclientuserdev, --version, MOD_DEV, --assetIndex, 1.18, --assetsDir, C:\Users\User\.gradle\caches\forge_gradle\assets, --gameDir, ., --fml.forgeVersion, 39.0.64, --fml.mcVersion, 1.18.1, --fml.forgeGroup, net.minecraftforge, --fml.mcpVersion, 20211210.034407]
[06Feb.2022 02:35:45.742] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 9.1.0+9.1.0+main.6690ee51 starting: java version 17.0.2 by Oracle Corporation
[06Feb.2022 02:35:45.840] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.5 Source=union:/C:/Users/User/.gradle/caches/modules-2/files-2.1/org.spongepowered/mixin/0.8.5/9d1c0c3a304ae6697ecd477218fa61b850bf57fc/mixin-0.8.5.jar%2327!/ Service=ModLauncher Env=CLIENT
[06Feb.2022 02:35:47.372] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'forgeclientuserdev' with arguments [--version, MOD_DEV, --gameDir, ., --assetsDir, C:\Users\User\.gradle\caches\forge_gradle\assets, --assetIndex, 1.18]
[02:35:52] [Render thread/WARN]: Assets URL 'union:/C:/Users/User/.gradle/caches/forge_gradle/minecraft_user_repo/net/minecraftforge/forge/1.18.1-39.0.64_mapped_official_1.18.1/forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2377!/assets/.mcassetsroot' uses unexpected schema
[02:35:52] [Render thread/WARN]: Assets URL 'union:/C:/Users/User/.gradle/caches/forge_gradle/minecraft_user_repo/net/minecraftforge/forge/1.18.1-39.0.64_mapped_official_1.18.1/forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2377!/data/.mcassetsroot' uses unexpected schema
[06Feb.2022 02:35:52.148] [Render thread/INFO] [com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService/]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', servicesHost='https://api.minecraftservices.com', name='PROD'
[02:35:52] [Render thread/INFO]: Setting user: Dev
[02:35:52] [Render thread/INFO]: Backend library: LWJGL version 3.2.2 SNAPSHOT
[02:35:52] [Render thread/ERROR]: Null comment for config option server, this is invalid and may be disallowed in the future.
[06Feb.2022 02:35:54.694] [Render thread/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/LOADING]: Failed to load class com.katshinga.wildersmod.WildersMod
java.lang.UnsupportedClassVersionError: com/katshinga/wildersmod/WildersMod (class file version 57.65535) was compiled with preview features that are unsupported. This version of the Java Runtime only recognizes preview features for class file version 61.65535
   at java.lang.ClassLoader.defineClass1(Native Method) ~[?:?]
   at java.lang.ClassLoader.defineClass(ClassLoader.java:1012) ~[?:?]
   at cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:116) ~[securejarhandler-1.0.1.jar:?]
   at cpw.mods.cl.ModuleClassLoader.lambda$findClass$16(ModuleClassLoader.java:213) ~[securejarhandler-1.0.1.jar:?]
   at cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:223) ~[securejarhandler-1.0.1.jar:?]
   at cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:213) ~[securejarhandler-1.0.1.jar:?]
   at java.lang.ClassLoader.loadClass(ClassLoader.java:632) ~[?:?]
   at java.lang.Class.forName(Class.java:545) ~[?:?]
   at net.minecraftforge.fml.javafmlmod.FMLModContainer.<init>(FMLModContainer.java:61) ~[javafmllanguage-1.18.1-39.0.64.jar%2378!/:?]
   at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
   at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?]
   at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
   at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?]
   at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?]
   at net.minecraftforge.fml.javafmlmod.FMLJavaModLanguageProvider$FMLModTarget.loadMod(FMLJavaModLanguageProvider.java:76) ~[javafmllanguage-1.18.1-39.0.64.jar%2378!/:?]
   at net.minecraftforge.fml.ModLoader.buildModContainerFromTOML(ModLoader.java:268) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at net.minecraftforge.fml.ModLoader.lambda$buildMods$26(ModLoader.java:247) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
   at java.util.HashMap$EntrySpliterator.forEachRemaining(HashMap.java:1850) ~[?:?]
   at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?]
   at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?]
   at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921) ~[?:?]
   at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
   at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682) ~[?:?]
   at net.minecraftforge.fml.ModLoader.buildMods(ModLoader.java:249) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
   at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
   at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625) ~[?:?]
   at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?]
   at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?]
   at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:575) ~[?:?]
   at java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) ~[?:?]
   at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:616) ~[?:?]
   at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:622) ~[?:?]
   at java.util.stream.ReferencePipeline.toList(ReferencePipeline.java:627) ~[?:?]
   at net.minecraftforge.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:167) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at net.minecraftforge.client.loading.ClientModLoader.lambda$begin$1(ClientModLoader.java:106) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
   at net.minecraftforge.client.loading.ClientModLoader.lambda$createRunnableWithCatch$4(ClientModLoader.java:127) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
   at net.minecraftforge.client.loading.ClientModLoader.begin(ClientModLoader.java:106) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:458) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2377!/:?]
   at net.minecraft.client.main.Main.main(Main.java:169) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2377!/:?]
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
   at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
   at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
   at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:38) ~[fmlloader-1.18.1-39.0.64.jar%230!/:?]
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?]
[06Feb.2022 02:35:54.714] [Render thread/FATAL] [net.minecraftforge.fml.javafmlmod.FMLJavaModLanguageProvider/LOADING]: Failed to build mod
java.lang.reflect.InvocationTargetException: null
   at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
   at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?]
   at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
   at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?]
   at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?]
   at net.minecraftforge.fml.javafmlmod.FMLJavaModLanguageProvider$FMLModTarget.loadMod(FMLJavaModLanguageProvider.java:76) ~[javafmllanguage-1.18.1-39.0.64.jar%2378!/:?]
   at net.minecraftforge.fml.ModLoader.buildModContainerFromTOML(ModLoader.java:268) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at net.minecraftforge.fml.ModLoader.lambda$buildMods$26(ModLoader.java:247) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
   at java.util.HashMap$EntrySpliterator.forEachRemaining(HashMap.java:1850) ~[?:?]
   at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?]
   at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?]
   at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921) ~[?:?]
   at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
   at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682) ~[?:?]
   at net.minecraftforge.fml.ModLoader.buildMods(ModLoader.java:249) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
   at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
   at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625) ~[?:?]
   at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?]
   at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?]
   at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:575) ~[?:?]
   at java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) ~[?:?]
   at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:616) ~[?:?]
   at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:622) ~[?:?]
   at java.util.stream.ReferencePipeline.toList(ReferencePipeline.java:627) ~[?:?]
   at net.minecraftforge.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:167) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at net.minecraftforge.client.loading.ClientModLoader.lambda$begin$1(ClientModLoader.java:106) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
   at net.minecraftforge.client.loading.ClientModLoader.lambda$createRunnableWithCatch$4(ClientModLoader.java:127) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
   at net.minecraftforge.client.loading.ClientModLoader.begin(ClientModLoader.java:106) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:458) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2377!/:?]
   at net.minecraft.client.main.Main.main(Main.java:169) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2377!/:?]
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
   at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
   at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
   at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:38) ~[fmlloader-1.18.1-39.0.64.jar%230!/:?]
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?]
Caused by: net.minecraftforge.fml.ModLoadingException: Wilders Mod has class loading errors
§7java.lang.UnsupportedClassVersionError: com/katshinga/wildersmod/WildersMod (class file version 57.65535) was compiled with preview features that are unsupported. This version of the Java Runtime only recognizes preview features for class file version 61.65535
   at net.minecraftforge.fml.javafmlmod.FMLModContainer.<init>(FMLModContainer.java:67) ~[javafmllanguage-1.18.1-39.0.64.jar%2378!/:?]
   ... 45 more
Caused by: java.lang.UnsupportedClassVersionError: com/katshinga/wildersmod/WildersMod (class file version 57.65535) was compiled with preview features that are unsupported. This version of the Java Runtime only recognizes preview features for class file version 61.65535
   at java.lang.ClassLoader.defineClass1(Native Method) ~[?:?]
   at java.lang.ClassLoader.defineClass(ClassLoader.java:1012) ~[?:?]
   at cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:116) ~[securejarhandler-1.0.1.jar:?]
   at cpw.mods.cl.ModuleClassLoader.lambda$findClass$16(ModuleClassLoader.java:213) ~[securejarhandler-1.0.1.jar:?]
   at cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:223) ~[securejarhandler-1.0.1.jar:?]
   at cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:213) ~[securejarhandler-1.0.1.jar:?]
   at java.lang.ClassLoader.loadClass(ClassLoader.java:632) ~[?:?]
   at java.lang.Class.forName(Class.java:545) ~[?:?]
   at net.minecraftforge.fml.javafmlmod.FMLModContainer.<init>(FMLModContainer.java:61) ~[javafmllanguage-1.18.1-39.0.64.jar%2378!/:?]
   ... 45 more
[06Feb.2022 02:35:54.728] [Render thread/FATAL] [net.minecraftforge.fml.ModLoader/CORE]: Failed to initialize mod containers
net.minecraftforge.fml.ModLoadingException: Wilders Mod has class loading errors
§7java.lang.UnsupportedClassVersionError: com/katshinga/wildersmod/WildersMod (class file version 57.65535) was compiled with preview features that are unsupported. This version of the Java Runtime only recognizes preview features for class file version 61.65535
   at net.minecraftforge.fml.javafmlmod.FMLModContainer.<init>(FMLModContainer.java:67) ~[javafmllanguage-1.18.1-39.0.64.jar%2378!/:?]
   at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
   at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?]
   at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
   at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?]
   at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?]
   at net.minecraftforge.fml.javafmlmod.FMLJavaModLanguageProvider$FMLModTarget.loadMod(FMLJavaModLanguageProvider.java:76) ~[javafmllanguage-1.18.1-39.0.64.jar%2378!/:?]
   at net.minecraftforge.fml.ModLoader.buildModContainerFromTOML(ModLoader.java:268) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at net.minecraftforge.fml.ModLoader.lambda$buildMods$26(ModLoader.java:247) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
   at java.util.HashMap$EntrySpliterator.forEachRemaining(HashMap.java:1850) ~[?:?]
   at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?]
   at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?]
   at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921) ~[?:?]
   at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
   at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682) ~[?:?]
   at net.minecraftforge.fml.ModLoader.buildMods(ModLoader.java:249) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
   at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
   at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625) ~[?:?]
   at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?]
   at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?]
   at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:575) ~[?:?]
   at java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) ~[?:?]
   at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:616) ~[?:?]
   at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:622) ~[?:?]
   at java.util.stream.ReferencePipeline.toList(ReferencePipeline.java:627) ~[?:?]
   at net.minecraftforge.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:167) ~[fmlcore-1.18.1-39.0.64.jar%2380!/:?]
   at net.minecraftforge.client.loading.ClientModLoader.lambda$begin$1(ClientModLoader.java:106) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
   at net.minecraftforge.client.loading.ClientModLoader.lambda$createRunnableWithCatch$4(ClientModLoader.java:127) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
   at net.minecraftforge.client.loading.ClientModLoader.begin(ClientModLoader.java:106) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:458) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2377!/:?]
   at net.minecraft.client.main.Main.main(Main.java:169) ~[forge-1.18.1-39.0.64_mapped_official_1.18.1-recomp.jar%2377!/:?]
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
   at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
   at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
   at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:38) ~[fmlloader-1.18.1-39.0.64.jar%230!/:?]
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.0.jar%2310!/:?]
   at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?]
Caused by: java.lang.UnsupportedClassVersionError: com/katshinga/wildersmod/WildersMod (class file version 57.65535) was compiled with preview features that are unsupported. This version of the Java Runtime only recognizes preview features for class file version 61.65535
   at java.lang.ClassLoader.defineClass1(Native Method) ~[?:?]
   at java.lang.ClassLoader.defineClass(ClassLoader.java:1012) ~[?:?]
   at cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:116) ~[securejarhandler-1.0.1.jar:?]
   at cpw.mods.cl.ModuleClassLoader.lambda$findClass$16(ModuleClassLoader.java:213) ~[securejarhandler-1.0.1.jar:?]
   at cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:223) ~[securejarhandler-1.0.1.jar:?]
   at cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:213) ~[securejarhandler-1.0.1.jar:?]
   at java.lang.ClassLoader.loadClass(ClassLoader.java:632) ~[?:?]
   at java.lang.Class.forName(Class.java:545) ~[?:?]
   at net.minecraftforge.fml.javafmlmod.FMLModContainer.<init>(FMLModContainer.java:61) ~[javafmllanguage-1.18.1-39.0.64.jar%2378!/:?]
   ... 45 more
[06Feb.2022 02:35:54.918] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.sound.SoundLoadEvent to a broken mod state
[06Feb.2022 02:35:55.116] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.ColorHandlerEvent$Block to a broken mod state
[06Feb.2022 02:35:55.120] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.ColorHandlerEvent$Item to a broken mod state
[06Feb.2022 02:35:56.285] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.ParticleFactoryRegisterEvent to a broken mod state
[06Feb.2022 02:35:56.404] [Render thread/INFO] [com.mojang.text2speech.NarratorWindows/]: Narrator library for x64 successfully loaded
[06Feb.2022 02:35:56.466] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.RegisterClientReloadListenersEvent to a broken mod state
[06Feb.2022 02:35:56.467] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.EntityRenderersEvent$RegisterLayerDefinitions to a broken mod state
[06Feb.2022 02:35:56.467] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.EntityRenderersEvent$RegisterRenderers to a broken mod state
[02:35:56] [Render thread/INFO]: Reloading ResourceManager: Default
[06Feb.2022 02:35:56.855] [Worker-Main-20/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.ModelRegistryEvent to a broken mod state
[06Feb.2022 02:35:56.890] [Worker-Main-21/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Pre to a broken mod state
[06Feb.2022 02:35:56.891] [Worker-Main-22/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Pre to a broken mod state
[06Feb.2022 02:35:56.891] [Worker-Main-17/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Pre to a broken mod state
[06Feb.2022 02:36:04.409] [Worker-Main-20/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Pre to a broken mod state
[06Feb.2022 02:36:05.285] [Worker-Main-20/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Pre to a broken mod state
[06Feb.2022 02:36:05.292] [Worker-Main-20/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Pre to a broken mod state
[06Feb.2022 02:36:05.319] [Worker-Main-20/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Pre to a broken mod state
[06Feb.2022 02:36:05.345] [Worker-Main-20/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Pre to a broken mod state
[06Feb.2022 02:36:05.360] [Worker-Main-20/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Pre to a broken mod state
[06Feb.2022 02:36:05.387] [Worker-Main-20/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Pre to a broken mod state
[02:36:05] [Render thread/INFO]: OpenAL initialized on device OpenAL Soft on Lautsprecher (Razer Kraken X USB)
[02:36:05] [Render thread/INFO]: Sound engine started
[02:36:05] [Render thread/INFO]: Created: 1024x512x4 minecraft:textures/atlas/blocks.png-atlas
[06Feb.2022 02:36:05.938] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Post to a broken mod state
[02:36:05] [Render thread/INFO]: Created: 256x128x4 minecraft:textures/atlas/signs.png-atlas
[06Feb.2022 02:36:05.939] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Post to a broken mod state
[02:36:05] [Render thread/INFO]: Created: 512x512x4 minecraft:textures/atlas/banner_patterns.png-atlas
[06Feb.2022 02:36:05.940] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Post to a broken mod state
[02:36:05] [Render thread/INFO]: Created: 512x512x4 minecraft:textures/atlas/shield_patterns.png-atlas
[06Feb.2022 02:36:05.942] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Post to a broken mod state
[02:36:05] [Render thread/INFO]: Created: 256x256x4 minecraft:textures/atlas/chest.png-atlas
[06Feb.2022 02:36:05.943] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Post to a broken mod state
[02:36:05] [Render thread/INFO]: Created: 512x256x4 minecraft:textures/atlas/beds.png-atlas
[06Feb.2022 02:36:05.944] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Post to a broken mod state
[02:36:05] [Render thread/INFO]: Created: 512x256x4 minecraft:textures/atlas/shulker_boxes.png-atlas
[06Feb.2022 02:36:05.945] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Post to a broken mod state
[06Feb.2022 02:36:06.362] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.ModelBakeEvent to a broken mod state
[06Feb.2022 02:36:06.736] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.EntityRenderersEvent$AddLayers to a broken mod state
[06Feb.2022 02:36:06.961] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.RegisterShadersEvent to a broken mod state
[02:36:07] [Render thread/INFO]: Created: 256x256x0 minecraft:textures/atlas/particles.png-atlas
[06Feb.2022 02:36:07.054] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Post to a broken mod state
[02:36:07] [Render thread/INFO]: Created: 256x256x0 minecraft:textures/atlas/paintings.png-atlas
[06Feb.2022 02:36:07.055] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Post to a broken mod state
[02:36:07] [Render thread/INFO]: Created: 128x128x0 minecraft:textures/atlas/mob_effects.png-atlas
[06Feb.2022 02:36:07.056] [Render thread/ERROR] [net.minecraftforge.fml.ModLoader/]: Cowardly refusing to send event net.minecraftforge.client.event.TextureStitchEvent$Post to a broken mod state
[02:36:07] [Render thread/FATAL]: Crash report saved to .\crash-reports\crash-2022-02-06_02.36.07-fml.txt

Thanks for your help

Edited February 6, 20223 yr by Katshinga

Quote

February 6, 20223 yr

Author

Thank you very much, now i know whats wrong. I now must find the mistake that i made.

Quote

3 yr3 yr Katshinga changed the title to Mod has class loading errors [SOLVED]

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[SOLVED] Guys, please help me get through this horrible NoClassDefFound exception.

Well, needing help for this didn't last nearly as long as I expected, lol. I figured out the solution, and it's a real face palmer. Basically, the function Type.getInternalName(Class<?> clazz) does NOT work for classes that are obfuscated. This means that it won't work for basically every minecraft class. So running it with the argument EntityTrackerEntry.class won't work, but running it with CustomHandler.class will work! Annoying, but a still bit interesting. So I just replaced my call for Type.getInternalName(EntityTrackerEntry.class) with just "os", as that is the name of the actual class for EntityTrackerEntry at runtime. Hope this solution helps somebody. In the meantime, I'm going to mark this thread as solved.

By Jackson Perr · 16 hours ago16 hr
[1.20.1] Custom Effect Help

Can you send the code pertaining to your custom mod effect? I don't see anything wrong with how you "assemble" the food properties, btw.

By Jackson Perr · 18 hours ago18 hr
(IntelliJ) Gradle doesn't import enums from net.minecraft.core properly

crazy

By Jonathing · 18 hours ago18 hr
(IntelliJ) Gradle doesn't import enums from net.minecraft.core properly

For anyone who is running into this issue in the future: The fix for me was updating Intellij. I was using the 2022 version, which apparently had some issues with Java 21 (particularly around enums, which Direction is one).

By CravenCraft · 18 hours ago18 hr
How do you add a mob to spawn around a existing vanilla structure?

Hey dawg!

I think I might be able to help you out with your issue here. I say might because I don't know about 1.16.x or any later version, but I know how to do this kind of thing for 1.12.2 forge. Basically, in the pre-init or init (I don't really remember which one) you just gotta'

Okay, ykw, I just downloaded the 1.14.4 1.20.1 minecraft mdk. I think I actually can help you here. So, the 1.12.2 method actually doesn't work with 1.20.1 minecraft or later. Probably not too far before either. I see two options here for ya':

First, it's important to note that the game stores its spawn data for structures in, well, the Structures class. Here, the game initializes an instance of each Structure class and registers them with the BootstrapContext using its bootstrap function. Each instance of a Structure class is registered with a StructureSettings class as an argument. One of the arguments, the one that you're probably going to be particularly interested in here, would be the spawnOverrides argument. For this argument, the game uses a Map between MOB_CATEGORIES and StructureSpawnOverride. StructureSpawnOverride is essentially the juice of it here. It contains almost everything you would need to control how your custom mob spawns in Pillager Outposts. Now, if you want to change how the Structure class for the pillager outposts is registered with the BootstrapContext in the bootstrap function, you're going to want to change where the function's caller gets the function and replace it with your own custom version of this function. How might you do this? This is where it gets a little tricky. The bootstrap function for the structures class is referenced in VanillaRegistries.BUILDER. However, unfortunately, this field is private and final, so you can't directly change it with reflections, but you can still access it with reflections. Now the VanillaRegistries.BUILDER field is of the type RegistrySetBuilder, which uses a private final field "entires", which is set as a List<RegistrySetBuilder.RegistryStub<?>> type. So here, you could use reflections to access this list field and remove the entry for the structures bootstrap. Then you might be able to create your own structures class and add change the bootstrap function to reflect the changes you wish. Then finally, simply re-add the Structure entry that you made to the list, and you should be completely done! Keep in mind, I haven't actually tested this, so I'm not sure if it would actually work, and even if it did work it's really unorthodox, so I would recommend trying this next idea.

When the game is deciding whether or not to spawn an entity, if the entity is registered with the SpawnPlacements class, is uses the function you specify in the entity class to determine whether or not the entity can spawn in a certain spot. For example, the guardian cannot spawn on a block that is exposed to light from underwater because of this function. So what you could do is make a checkSelfSpawnRules function for your mob and register it with the SpawnPlacements function. Then, you could have your checkSelfSpawnRules function take into account if the block it's trying to spawn on is near a Pillager Outpost. Finally, you can get the coordinates to the chunk of your block and iterate through the ServerLevels in your MinecraftServer class and get their chunk sources and test if the chunk source has the chunk of your block position. If it does, you can then get the StructureManager from the ServerLevel. In there should be some very helpful functions for you to use. Although this is a bit more orthodox, it might be a bit laggy.

It's really up to you which of these options you choose. If you need some additional clarification then please let me know, I would be happy to help you out! Also let me know if any of these options hit your goals for what your looking for here or not. If not then just let me know; I could probably find another method you could try.

By Jackson Perr · 19 hours ago19 hr

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Mod has class loading errors [SOLVED]

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[SOLVED] Guys, please help me get through this horrible NoClassDefFound exception.

[1.20.1] Custom Effect Help

(IntelliJ) Gradle doesn't import enums from net.minecraft.core properly

(IntelliJ) Gradle doesn't import enums from net.minecraft.core properly

How do you add a mob to spawn around a existing vanilla structure?

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