Fabric API

Fabric API

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Initial world generation fails on 21w38a

CyanNex opened this issue ยท 3 comments

commented

Updating the fabric example mod to 21w38a and running a server causes an error when world generation starts.

Versions used:

minecraft_version=21w38a
yarn_mappings=21w38a+build.1
loader_version=0.11.7
fabric_version=0.40.4+1.18

Full stacktrace:

Exception in thread "main" [20:11:39] [main/INFO] (Minecraft) [STDERR]: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.fabricmc.loader.game.MinecraftGameProvider.launch(MinecraftGameProvider.java:236)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.fabricmc.loader.launch.knot.Knot.launch(Knot.java:153)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.fabricmc.loader.launch.knot.KnotServer.main(KnotServer.java:28)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.fabricmc.devlaunchinjector.Main.main(Main.java:86)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: Caused by: java.lang.reflect.InvocationTargetException
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.fabricmc.loader.game.MinecraftGameProvider.launch(MinecraftGameProvider.java:234)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	... 3 more
[20:11:39] [main/INFO] (Minecraft) [STDERR]: Caused by: java.lang.NoSuchFieldError: a
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.world.biome.source.BiomeSource$class_6543.hashCode(BiomeSource.java:54)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at java.base/java.util.HashMap.hash(HashMap.java:340)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1195)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.world.biome.source.BiomeSource.<init>(BiomeSource.java:69)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.world.biome.source.BiomeSource.<init>(BiomeSource.java:44)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.world.biome.source.MultiNoiseBiomeSource.<init>(MultiNoiseBiomeSource.java:53)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.world.biome.source.MultiNoiseBiomeSource$Preset.method_31088(MultiNoiseBiomeSource.java:127)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.world.biome.source.MultiNoiseBiomeSource$Preset.getBiomeSource(MultiNoiseBiomeSource.java:146)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.world.dimension.DimensionType.createNetherGenerator(DimensionType.java:216)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.world.dimension.DimensionType.createDefaultDimensionOptions(DimensionType.java:222)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.world.gen.GeneratorOptions.fromProperties(GeneratorOptions.java:214)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.server.dedicated.ServerPropertiesHandler.method_37371(ServerPropertiesHandler.java:91)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	at net.minecraft.server.Main.main(Main.java:179)
[20:11:39] [main/INFO] (Minecraft) [STDERR]: 	... 8 more
commented

I assume you are using an outdated version of loom (0.9?) You need to use 0.10 for 1.18, please update and then run ./gradlew build --refresh-dependencies to regenerate your mc jar.

commented

Oh sorry, my bad, that appears to have fixed it. Thanks

commented

Great thanks, Might be worth us adding something to prevent this from happening.