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Failed to validate loot tables, see logs


Slit_bodmod

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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

Quote

[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?

Quote

[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

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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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