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Failed to validate loot tables, see logs

Posted November 14, 20214 yr

So I've been messing around with data generators and I've gotten pretty far but then just before everything seemed like it was working I got this crash

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[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:39)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:    at cpw.mods.modlauncher.Launcher.run(Launcher.java:82)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:    at cpw.mods.modlauncher.Launcher.main(Launcher.java:66)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:    at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:105)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]: Caused by: java.lang.reflect.InvocationTargetException
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:    at java.lang.reflect.Method.invoke(Method.java:498)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:    at net.minecraftforge.userdev.FMLUserdevDataLaunchProvider.lambda$launchService$0(FMLUserdevDataLaunchProvider.java:51)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:    ... 5 more
[02:06:24] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:643]: Caused by: java.lang.IllegalStateException: Failed to validate loot tables, see logs
[02:06:24] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:643]:    at net.minecraft.data.LootTableProvider.run(LootTableProvider.java:64)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:643]:    at net.minecraft.data.DataGenerator.run(DataGenerator.java:44)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:643]:    at net.minecraftforge.fml.event.lifecycle.GatherDataEvent$DataGeneratorConfig.lambda$runAll$0(GatherDataEvent.java:111)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:643]:    at cpw.mods.modlauncher.api.LamdbaExceptionUtils.lambda$rethrowConsumer$0(LamdbaExceptionUtils.java:34)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:643]:    at java.util.HashMap$Values.forEach(HashMap.java:980)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:643]:    at net.minecraftforge.fml.event.lifecycle.GatherDataEvent$DataGeneratorConfig.runAll(GatherDataEvent.java:107)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:643]:    at net.minecraftforge.fml.DatagenModLoader.begin(DatagenModLoader.java:61)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:643]:    at net.minecraft.data.Main.main(Main.java:43)
[02:06:24] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:643]:    ... 11 more
Exception in thread "main"
Process finished with exit code 1

So I looked at the logs and it seemed to indicate that the problem was with vanilla loot tables?

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[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/shipwreck_treasure
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/cyan
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/igloo_chest
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/buried_treasure
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/nether_bridge
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_fisher
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/butcher_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/librarian_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/ruined_portal
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/simple_dungeon
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_toolsmith
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/leatherworker_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/shipwreck_supply
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/cartographer_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/bastion_hoglin_stable
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/fisherman_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_snowy_house
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/cleric_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/magenta
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/underwater_ruin_small
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_mason
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/jungle_temple
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_plains_house
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/underwater_ruin_big
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/abandoned_mineshaft
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_desert_house
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/white
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_taiga_house
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/green
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/fishing/fish
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/farmer_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/stronghold_corridor
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/bastion_other
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/red
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_savanna_house
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_butcher
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/toolsmith_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/cat_morning_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/spawn_bonus_chest
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/brown
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/fishing/junk
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_armorer
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/desert_pyramid
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/end_city_treasure
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/fishing
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_weaponsmith
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/orange
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/shipwreck_map
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/gray
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/pink
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_cartographer
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/blue
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/piglin_bartering
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/weaponsmith_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/fishing/treasure
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/yellow
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/woodland_mansion
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/shepherd_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/jungle_temple_dispenser
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/stronghold_library
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/stronghold_crossing
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/pillager_outpost
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/bastion_bridge
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/fletcher_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/armorer_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/purple
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/lime
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_tannery
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_shepherd
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/bastion_treasure
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:gameplay/hero_of_the_village/mason_gift
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/light_gray
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_fletcher
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/black
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:chests/village/village_temple
[02:06:24] [main/WARN] [minecraft/LootTableProvider]: Found validation problem in : Missing built-in table: minecraft:entities/sheep/light_blue

I kinda reached the end of my train here and was just looking for any pointers as to where to start fixing this kinda issue cause it seems a little odd to me

Quote

November 14, 20213 yr

Author

Right yeah I wanted to but obviously I can't show you the whole thing, where should I show first that might be causing the issue as tbh my main problem is I don't know where to start looking, do you know what would cause this error

Quote

November 14, 20213 yr

do you have a git repo?

you should pist the code of your LootTable

Quote

November 14, 20213 yr

Author

No sry I don't have a git repo as this is a bit of an experiment mod, I can try creating a one if it's really necessary but for the moment this is the class that handles the loot tables:

public class GaiaBlockLootTables extends BlockLootTables {
	public static final List<Consumer<GaiaBlockLootTables>> TABLES = new ArrayList<>();

	@Override protected void addTables() {
		TABLES.forEach( (gen) ->  gen.accept(this) );
	}
	@Override protected @Nonnull Iterable<Block> getKnownBlocks() {
		return ModBlocks.BLOCKS.getEntries().stream().map(RegistryObject::get).collect(Collectors.toList());
	}

	//===========================================   METHODS =======================================================================
	public void add(Block _block, LootTable.Builder _builder) {
		super.add(_block,_builder);
	}
	public void accept(BiConsumer<ResourceLocation, LootTable.Builder> p_accept_1_) {
		super.accept(p_accept_1_);
	}

	public void dropSlab(Block block) {
		this.add(block, createSlabItemTable(block));
	}
}

this is then registered through this class:

public class GaiaLootTableGenerator extends LootTableProvider {
	public GaiaLootTableGenerator(DataGenerator dataGeneratorIn) {
		super(dataGeneratorIn);
	}

	@Override protected @Nonnull
	List<Pair<Supplier<Consumer<BiConsumer<ResourceLocation, LootTable.Builder>>>, LootParameterSet>> getTables() {
		return ImmutableList.of(
				Pair.of(GaiaBlockLootTables::new, LootParameterSets.BLOCK)
		);
	}
}

which is registered through this class:

@Mod.EventBusSubscriber(modid = GaiaTerrainMod.MODID, bus = Mod.EventBusSubscriber.Bus.MOD)
public class GaiaDataManager {

	@SubscribeEvent public static void gatherData(final GatherDataEvent event) {
		GaiaTerrainMod.LOGGER.info("gathering data!");
		DataGenerator generate = event.getGenerator();
		ExistingFileHelper existingFileHelper = event.getExistingFileHelper();

		generate.addProvider(new GaiaBlockStateGenerator(generate,existingFileHelper));
		generate.addProvider(new GaiaItemModelGenerator(generate, existingFileHelper));

		GaiaBlockTagGenerator blockTags = new GaiaBlockTagGenerator(generate, existingFileHelper);
		generate.addProvider(blockTags);
		generate.addProvider(new GaiaItemTagGenerator(generate, blockTags, existingFileHelper));

		generate.addProvider(new GaiaLootTableGenerator(generate));
		generate.addProvider(new GaiaRecipeGenerator(generate));
		GaiaTerrainMod.LOGGER.info("gathered data!");
	}
}

and then there are these snippets throughout my code base that do something like this:

GaiaBlockLootTables.TABLES.add( (instance) -> instance.dropSelf(button.get()) );

this allow my loot tables to be generated somewhat automatically from a number of different places (my registry system is kinda unconventional)

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Failed to validate loot tables, see logs

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