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[Solved][1.16.5] RegistryObject not present when referenced, but appears in game

Posted August 4, 20214 yr

When I try to get the registry object of my block using RegistryObject#get() I get a null pointer exception. If I remove the reference to the object, the block appears in game without any issues.

Error Log:

---- Minecraft Crash Report ----
// You're mean.

Time: 8/4/21 9:47 AM
Description: Mod loading error has occurred

java.lang.Exception: Mod Loading has failed
   at net.minecraftforge.fml.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:85) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {re:classloading}
   at net.minecraftforge.fml.client.ClientModLoader.completeModLoading(ClientModLoader.java:188) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.lambda$null$1(Minecraft.java:508) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.util.Util.ifElse(Util.java:320) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {re:classloading}
   at net.minecraft.client.Minecraft.lambda$new$2(Minecraft.java:504) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.gui.ResourceLoadProgressGui.render(ResourceLoadProgressGui.java:113) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.GameRenderer.render(GameRenderer.java:481) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.runTick(Minecraft.java:976) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.run(Minecraft.java:607) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.main.Main.main(Main.java:184) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_271] {}
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_271] {}
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_271] {}
   at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_271] {}
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:52) ~[forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.0.9.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.0.9.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.0.9.jar:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.0.9.jar:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.0.9.jar:?] {}
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:108) [forge-1.16.5-36.2.0_mapped_official_1.16.5-recomp.jar:?] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
   at java.util.Objects.requireNonNull(Objects.java:290) ~[?:1.8.0_271] {}
-- MOD matter_exchange --
Details:
   Caused by 0: java.lang.ExceptionInInitializerError
       at acidassassin.matterexchange.MatterExchange.<init>(MatterExchange.java:19) ~[?:?] {re:classloading}
       at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_271] {}
       at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_271] {}
       at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_271] {}
       at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_271] {}
       at java.lang.Class.newInstance(Class.java:442) ~[?:1.8.0_271] {}
       at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:81) ~[forge:36.2] {re:classloading}
       at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:120) ~[forge:?] {re:classloading}
       at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1640) ~[?:1.8.0_271] {}
       at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1632) ~[?:1.8.0_271] {}
       at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_271] {}
       at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1067) ~[?:1.8.0_271] {}
       at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1703) ~[?:1.8.0_271] {}
       at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:172) ~[?:1.8.0_271] {}

   Mod File: main
   Failure message: Matter Exchange (matter_exchange) has failed to load correctly
       java.lang.ExceptionInInitializerError: null
   Mod Version: NONE
   Mod Issue URL: NOT PROVIDED
   Exception message: java.lang.NullPointerException: Registry Object not present: matter_exchange:dissolver
Stacktrace:
   at java.util.Objects.requireNonNull(Objects.java:290) ~[?:1.8.0_271] {}
   at net.minecraftforge.fml.RegistryObject.get(RegistryObject.java:120) ~[forge:?] {re:classloading}
   at acidassassin.matterexchange.common.register.ModTileEntities.<clinit>(ModTileEntities.java:17) ~[?:?] {re:classloading}
   at acidassassin.matterexchange.MatterExchange.<init>(MatterExchange.java:19) ~[?:?] {re:classloading}
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_271] {}
   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_271] {}
   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_271] {}
   at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_271] {}
   at java.lang.Class.newInstance(Class.java:442) ~[?:1.8.0_271] {}
   at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:81) ~[forge:36.2] {re:classloading}
   at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:120) ~[forge:?] {re:classloading}
   at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1640) ~[?:1.8.0_271] {}
   at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1632) ~[?:1.8.0_271] {}
   at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_271] {}
   at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1067) ~[?:1.8.0_271] {}
   at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1703) ~[?:1.8.0_271] {}
   at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:172) ~[?:1.8.0_271] {}

Block registration code:

public class ModBlocks {
    public static final DeferredRegister<Block> BLOCKS = DeferredRegister.create(ForgeRegistries.BLOCKS, Resource.MODID);

    public static final RegistryObject<Block> DISSOLVER = register("dissolver", new DissolverBlock(), new Item.Properties().tab(ItemGroup.TAB_REDSTONE));
    //public static final RegistryObject<Block> DISSOLVER = BLOCKS.register("dissolver", DissolverBlock::new);  Doesn't work either


    // Register Block
    public static RegistryObject<Block> register(String name, Block block) {
        return BLOCKS.register(name, () -> block);
    }

    // Register Block with item
    public static RegistryObject<Block> register(String name, Block block, Item.Properties itemProperties) {
        ModItems.register(name, new BlockItem(block, itemProperties));
        return BLOCKS.register(name, () -> block);
    }
}

Code that causes the error:

public class ModTileEntities {
    public static final DeferredRegister<TileEntityType<?>> TILE_ENTITIES = DeferredRegister.create(ForgeRegistries.TILE_ENTITIES, Resource.MODID);

    public static final RegistryObject<TileEntityType<DissolverTileEntity>> DISSOLVER = register("dissolver", DissolverTileEntity::new, ModBlocks.DISSOLVER.get());



    // Register tile entity
    public static <T extends TileEntity> RegistryObject<TileEntityType<T>> register (String name, Supplier<T> tileEntity, Block... blocks) {
        return TILE_ENTITIES.register(name, () -> TileEntityType.Builder.of(tileEntity, blocks).build(null));
    }
}

Main class:

@Mod(Resource.MODID)
public class MatterExchange {

    public MatterExchange() {
        IEventBus bus = FMLJavaModLoadingContext.get().getModEventBus();

        ModBlocks.BLOCKS.register(bus);
        ModItems.ITEMS.register(bus);
        ModTileEntities.TILE_ENTITIES.register(bus);

        MinecraftForge.EVENT_BUS.register(this);
    }
}

Quote

August 4, 20214 yr

Author

Thank you, this fixed my issue

Quote

4 yr4 yr AcidAssassin changed the title to [Solved][1.16.5] RegistryObject not present when referenced, but appears in game

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Try replacing implementation with minecraftLibrary. Dependencies in the minecraftLibrary configuration are added to your compile and runtime classpaths in ForgeGradle 6.

By Jonathing · 5 hours ago5 hr
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By chemba21 · 9 hours ago9 hr
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By TileEntity · 10 hours ago10 hr
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The settings.gradle file has been fixed. But, the build.gradle has an error now.
Error:
* Where:
Build file 'C:\Users\csonn\OneDrive\Desktop\fusionlucky\build.gradle' line: 3
* What went wrong:
Plugin [id: 'net.minecraftforge.gradle', version: '6.1.+'] was not found in any of the following sources:
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- Included Builds (No included builds contain this plugin)
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Searched in the following repositories:
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MinecraftForge
Forge Maven
Forge Maven
Maven Repository for Minecraft Forge. <br/>You should be on:)
* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Get more help at https://help.gradle.org.

Build.Gradle File:
plugins { id 'java' id 'net.minecraftforge.gradle' version '6.1.+' } group = 'io.github.csonnic03.fusionlucky' version = '1.0.0' archivesBaseName = 'fusionlucky' java { toolchain { languageVersion = JavaLanguageVersion.of(17) } } repositories { mavenCentral() maven { name "forgeMaven" url "https://maven.minecraftforge.net/<repository>" } } dependencies { minecraft 'net.minecraftforge:forge:1.20.1-47.1.0' } minecraft { mappings channel: 'official', version: '1.20.1' runs { client { workingDirectory project.file('run') } server { workingDirectory project.file('run') } } } tasks.withType(JavaCompile) { options.encoding = 'UTF-8' } jar { manifest { attributes( "Specification-Title": "Fusion Lucky Block", "Specification-Vendor": "example", "Implementation-Title": project.name, "Implementation-Version": project.version, "Implementation-Vendor": "example", "ModLauncher-TargetFMLVersion": "[47,)" ) } }

By Fairygamer03 · 12 hours ago12 hr

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[Solved][1.16.5] RegistryObject not present when referenced, but appears in game

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