1.20.1 java.lang.exceptionininitializererror: null and java reflect invocationtargetexception: null in minecraft mods
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If you remove armorchroma does it still crash? -
By ChedduhCheese · Posted
Hello everyone! I’ve launched a Christian Minecraft server today called “Acolyte”. Although it’s a Christian server, it’s open to anyone, but the main goal of me pursuing this was to combine two things that I love and make an area where people can talk about faith and build some cool castles. The server is meant for Java edition, 1.21.5, and has plugins such as land claiming, economy, shops, terrain generation, etc. It’s a survival / smp world, and the server address is: acolyte.mcsrv.pro There’s a Discord server linked to it as well. It’s a place to hangout, talk about the game, have theological discussions, and hopefully meet some pretty cool people. The invite is available on the Minecraft server. I’m still new to a lot of this, and so please forgive any downtime or tweaks that I make to the server, and please give any feedback or criticism if you come up with some ideas. I truly hope you all enjoy it if you get the chance to join. - ChedduhCheese acolyte.mcsrv.pro -
By Joeyman2525 · Posted
My Crazy Craft Updated pack for 1.16.5 crashes whenever I use items from Mowzie's Mobs that have animations. Specifically the ones that I have tried are the Ice Crystal and the Axe of a Thousand Metals. The crash only happens when I use the ability of it, aka right click, which triggers the animation. I should note that I added around 50 other mods to the pack, two of which are the Female Gender mod and More Player Models. Could they be the source of the crash? Here is the crash log: https://mclo.gs/ZhsC793 -
By LinuxShetter · Posted
Hello, i've tried to make a minecraft server for my friends on old laptop. But im getting this error ---- Minecraft Crash Report ---- WARNING: coremods are present: DCLoadingPlugin (DummyCoreUnofficial-2.4.112.3.jar) HCASM (HammerLib-1.12.2-2.0.6.23.jar) Contact their authors BEFORE contacting forge // I feel sad now Time: 19.06.25 22:26 Description: Exception in server tick loop java.lang.NoClassDefFoundError: net/minecraft/client/Minecraft at nukeduck.armorchroma.ArmorChroma.<clinit>(ArmorChroma.java:23) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:539) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) at com.google.common.eventbus.EventBus.post(EventBus.java:217) at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) at com.google.common.eventbus.EventBus.post(EventBus.java:217) at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136) at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:595) at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98) at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:333) at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:125) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) at java.lang.Thread.run(Thread.java:750) Caused by: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ... 35 more Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@57fae983 from coremod FMLCorePlugin at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:260) at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ... 37 more Caused by: java.lang.RuntimeException: Attempted to load class bib for invalid side SERVER at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:62) at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:256) ... 39 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.12.2 Operating System: Linux (amd64) version 6.8.0-51-generic Java Version: 1.8.0_452, Private Build Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Private Build Memory: 1088926088 bytes (1038 MB) / 1634205696 bytes (1558 MB) up to 4194304000 bytes (4000 MB) JVM Flags: 2 total; -Xms1024M -Xmx4500M IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP 9.42 Powered by Forge 14.23.5.2859 44 mods loaded, 44 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored | State | ID | Version | Source | Signature | |:----- |:------------------------ |:------------------ |:--------------------------------------------- |:---------------------------------------- | | LC | minecraft | 1.12.2 | minecraft.jar | None | | LC | mcp | 9.42 | minecraft.jar | None | | LC | FML | 8.0.99.99 | forge-1.12.2-14.23.5.2859.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | LC | forge | 14.23.5.2859 | forge-1.12.2-14.23.5.2859.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | LC | codechickenlib | 3.2.3.358 | CodeChickenLib-1.12.2-3.2.3.358-universal.jar | f1850c39b2516232a2108a7bd84d1cb5df93b261 | | LC | ancientwarfare | 1.12.2-2.7.0.1032 | ancientwarfare-1.12.2-2.7.0.1032.jar | None | | LC | ancientwarfareautomation | 1.12.2-2.7.0.1032 | ancientwarfare-1.12.2-2.7.0.1032.jar | None | | LC | ancientwarfarenpc | 1.12.2-2.7.0.1032 | ancientwarfare-1.12.2-2.7.0.1032.jar | None | | LC | ancientwarfarestructure | 1.12.2-2.7.0.1032 | ancientwarfare-1.12.2-2.7.0.1032.jar | None | | LC | ancientwarfarevehicle | 1.12.2-2.7.0.1032 | ancientwarfare-1.12.2-2.7.0.1032.jar | None | | L | armorchroma | 1.4-beta | armorchroma-1.12.2-1.4.jar | None | | L | baubles | 1.5.2 | Baubles-1.12-1.5.2.jar | None | | L | betterburning | 0.9.2 | BetterBurning-1.12.2-0.9.2.jar | None | | L | bettercaves | 1.12.2 | bettercaves-1.12.2-2.0.4.jar | None | | L | betterinvisibility | 1.0.1 | betterinvisibility-1.0.1.jar | None | | L | bettermineshafts | 1.12.2-2.2 | BetterMineshaftsForge-1.12.2-2.2.jar | None | | L | bookshelf | 2.3.590 | Bookshelf-1.12.2-2.3.590.jar | None | | L | collective | 2.11 | collective-1.12.2-2.11.jar | None | | L | extendedrenderer | v1.0 | coroutil-1.12.1-1.2.37.jar | None | | L | coroutil | 1.12.1-1.2.37 | coroutil-1.12.1-1.2.37.jar | None | | L | configmod | v1.0 | coroutil-1.12.1-1.2.37.jar | None | | L | dummycore | 2.4.112.3. | DummyCoreUnofficial-2.4.112.3.jar | None | | L | dynamictrees | 1.12.2-0.9.22 | DynamicTrees-1.12.2-0.9.22.jar | None | | L | thaumcraft | 6.1.BETA26 | Thaumcraft_1.12.2_6.1.BETA26.jar | None | | L | dynamictreestc | 1.12.2-1.4.2 | DynamicTreesTC-1.12.2-1.4.2.jar | None | | L | hammercore | 2.0.6.23 | HammerLib-1.12.2-2.0.6.23.jar | None | | L | waila | 1.8.26 | Hwyla-1.8.26-B41_1.12.2.jar | None | | L | jei | 4.16.1.302 | jei_1.12.2-4.16.1.302.jar | None | | L | keepinginventory | 2.4 | KeepingInventory-1.12.2-2.4.jar | None | | L | libraryex | 1.2.1 | LibraryEx-1.12.2-1.2.1.jar | None | | L | netherex | 2.2.4 | NetherEx-1.12.2-2.2.4.jar | None | | L | recipehandler | 0.13 | NoMoreRecipeConflict-0.13(1.12.2).jar | None | | L | nei | 2.4.3 | NotEnoughItems-1.12.2-2.4.3.245-universal.jar | None | | L | thaumadditions | 12.6.6 | ThaumicAdditions-1.12.2-12.6.6.jar | None | | L | thaumicbases | 3.3.500.6r | thaumicbases-3.3.500.6r.jar | None | | L | thaumictinkerer | 1.12.2-5.0-620a0c5 | thaumictinkerer-1.12.2-5.0-620a0c5.jar | None | | L | thaumicwaila | 1.12.2-0.0.2 | ThaumicWaila-1.12.2-0.0.2.jar | None | | L | tumbleweed | 1.12-0.4.7 | tumbleweed-1.12-0.4.7.jar | None | | L | villagespawnpoint | 1.5 | villagespawnpoint_1.12.2-1.5.jar | None | | L | wawla | 2.6.275 | Wawla-1.12.2-2.6.275.jar | None | | L | wooltostring | 1.12.2 | WoolToString-1.12.2-1.0.0.jar | None | | L | zombieawareness | 1.12.1-1.11.16 | zombieawareness-1.12.1-1.11.16.jar | None | | L | betteranimalsplus | 9.0.1 | betteranimalsplus-1.12.2-9.0.1.jar | None | | L | orelib | 3.6.0.1 | OreLib-1.12.2-3.6.0.1.jar | None | Loaded coremods (and transformers): DCLoadingPlugin (DummyCoreUnofficial-2.4.112.3.jar) DummyCore.ASM.DCASMManager HCASM (HammerLib-1.12.2-2.0.6.23.jar) com.zeitheron.hammercore.asm.HammerCoreTransformer Profiler Position: N/A (disabled) Is Modded: Definitely; Server brand changed to 'fml,forge' Type: Dedicated Server (map_server.txt) -
Hey! I noticed you're trying to register your alexandrite item and possibly set its resource location manually with setId(...). I wanted to help clarify a few things that might simplify your code and avoid errors. ✅ The issue: You're using setId(...) inside the item registration like this: public static final RegistryObject<Item> ALEXANDRITE = ITEMS.register("alexandrite", () -> new Item(new Item.Properties().useItemDescriptionPrefix() .setId(ResourceKey.create(Registries.ITEM, ResourceLocation.fromNamespaceAndPath(TutorialMod.MOD_ID, "alexandrite"))))); But: Item.Properties does not have a setId(...) method — this line will either fail or do nothing meaningful. useItemDescriptionPrefix() is mostly used for translation keys (like "item.modid.name") but isn't needed unless you have a very specific reason. 🛠 The fix: You only need to register your item like this: public static final RegistryObject<Item> ALEXANDRITE = ITEMS.register("alexandrite", () -> new Item(new Item.Properties())); Forge automatically handles the ResourceLocation (modid:alexandrite) based on the name passed into .register(...), so there’s no need to manually assign it. 📝 For the texture: Make sure you have this file in your resources: src/main/resources/assets/tutorialmod/models/item/alexandrite.json { "parent": "item/generated", "textures": { "layer0": "tutorialmod:item/alexandrite" } } And your texture PNG goes here: src/main/resources/assets/tutorialmod/textures/item/alexandrite.png 🌍 For the name in-game: Add this to your en_us.json under: src/main/resources/assets/tutorialmod/lang/en_us.json { "item.tutorialmod.alexandrite": "Alexandrite" } Note: if im wrong about the issues you are encountering, i apologize.
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