[1.3.1 Release] Server Crash On Chunk Load with HugeMushroomSpecies #47
Description
Recently updated and now on existing world there is a null dereference issue causing the world to crash on login when players are nearby.
log
[28Feb2026 04:36:28.079] [Worker-Main-2/FATAL] [net.neoforged.neoforge.common.NeoForgeMod/]: Preparing crash report with UUID 7c2e6cb8-02f4-43d0-810c-f494a6031135
[28Feb2026 04:36:28.079] [Worker-Main-2/INFO] [STDOUT/]: [net.minecraft.server.Bootstrap:realStdoutPrintln:135]: ---- Minecraft Crash Report ----
// Why is it breaking :(
Time: 2026-02-28 04:36:28
Description: Feature placement
java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.dtteam.dynamictrees.platform.services.IConfigHelper.getIntConfig(String)" is null
at TRANSFORMER/dynamictreesplus@1.3.1/com.dtteam.dynamictreesplus.tree.HugeMushroomSpecies.rot(HugeMushroomSpecies.java:462) ~[DynamicTreesPlus-neoforge-1.21.1-1.3.1.jar%23608!/:?] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.block.branch.BasicBranchBlock.checkForRot(BasicBranchBlock.java:146) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.tree.species.Species.handleRot(Species.java:1425) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/dynamictreesplus@1.3.1/com.dtteam.dynamictreesplus.tree.HugeMushroomSpecies$1.generate(HugeMushroomSpecies.java:387) ~[DynamicTreesPlus-neoforge-1.21.1-1.3.1.jar%23608!/:?] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.tree.species.Species.generate(Species.java:2160) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.worldgen.feature.DynamicTreeFeature.generateTree(DynamicTreeFeature.java:123) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.worldgen.feature.DynamicTreeFeature.generateTrees(DynamicTreeFeature.java:80) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.worldgen.feature.DynamicTreeFeature.lambda$place$2(DynamicTreeFeature.java:68) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[?:?] {re:mixin}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.worldgen.feature.DynamicTreeFeature.place(DynamicTreeFeature.java:67) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.levelgen.feature.Feature.place(Feature.java:168) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,re:classloading,pl:mixin:APP:farmersdelight.mixins.json:KeepRichSoilGiantTreeMixin from mod farmersdelight,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.levelgen.feature.ConfiguredFeature.place(ConfiguredFeature.java:28) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.levelgen.placement.PlacedFeature.lambda$placeWithContext$4(PlacedFeature.java:54) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:lithostitched.mixins.json:common.PlacedFeatureAccessor from mod lithostitched,pl:mixin:A}
at java.base/java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:411) ~[?:?] {}
at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?] {}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.levelgen.placement.PlacedFeature.placeWithContext(PlacedFeature.java:53) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:lithostitched.mixins.json:common.PlacedFeatureAccessor from mod lithostitched,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.levelgen.placement.PlacedFeature.placeWithBiomeCheck(PlacedFeature.java:42) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:lithostitched.mixins.json:common.PlacedFeatureAccessor from mod lithostitched,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.ChunkGenerator.applyBiomeDecoration(ChunkGenerator.java:396) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:betterfortresses.mixins.json:DisableVanillaFortressesMixin from mod betterfortresses,pl:mixin:APP:terrablender.mixins.json:MixinChunkGenerator from mod terrablender,pl:mixin:APP:betteroceanmonuments.mixins.json:DisableVanillaMonumentsMixin from mod betteroceanmonuments,pl:mixin:APP:servercore.common.mixins.json:optimizations.tickets.ChunkGeneratorMixin from mod servercore,pl:mixin:APP:bettermineshafts.mixins.json:DisableVanillaMineshaftsMixin from mod bettermineshafts,pl:mixin:APP:lithostitched.mixins.json:common.ChunkGeneratorAccessor from mod lithostitched,pl:mixin:APP:betterwitchhuts.mixins.json:DisableVanillaWitchHutsMixin from mod betterwitchhuts,pl:mixin:APP:betterstrongholds.mixins.json:DisableVanillaStrongholdsMixin from mod betterstrongholds,pl:mixin:APP:betterdeserttemples.mixins.json:DisableVanillaPyramidsMixin from mod betterdeserttemples,pl:mixin:APP:moonlight-common.mixins.json:ChunkGeneratorMixin from mod moonlight,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.status.ChunkStatusTasks.generateFeatures(ChunkStatusTasks.java:154) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,re:classloading,pl:mixin:APP:bettercaves.mixins.json:ChunkStatusTasksMixin from mod bettercaves,pl:mixin:APP:bettercaves.mixins.json:aquiferfix.ChunkStatusTasksMixin from mod bettercaves,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:ChunkGeneratingMixin from mod fabric_lifecycle_events_v1,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.status.ChunkStep.apply(ChunkStep.java:33) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,re:classloading,pl:mixin:APP:bettercaves.mixins.json:aquiferfix.ChunkStepMixin from mod bettercaves,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkMap.applyStep(ChunkMap.java:628) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:accessories-common.mixins.json:ServerChunkLoadingManagerAccessor from mod accessories,pl:mixin:APP:lootr-common.mixins.json:accessor.AccessorMixinChunkMap from mod lootr,pl:mixin:APP:servercore.common.mixins.json:features.dynamic.ChunkMapMixin from mod servercore,pl:mixin:APP:lithostitched.mixins.json:common.ChunkMapMixin from mod lithostitched,pl:mixin:APP:fabric-networking-api-v1.mixins.json:accessor.ServerChunkLoadingManagerAccessor from mod fabric_networking_api_v1,pl:mixin:APP:walkers.mixins.json:ThreadedAnvilChunkStorageAccessor from mod walkers,pl:mixin:APP:ars_nouveau.mixins.json:camera.ChunkMapMixin from mod ars_nouveau,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.GenerationChunkHolder.applyStep(GenerationChunkHolder.java:64) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkGenerationTask.scheduleChunkInLayer(ChunkGenerationTask.java:143) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkGenerationTask.scheduleLayer(ChunkGenerationTask.java:121) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkGenerationTask.scheduleNextLayer(ChunkGenerationTask.java:74) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkGenerationTask.runUntilWait(ChunkGenerationTask.java:59) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkMap.lambda$runGenerationTask$21(ChunkMap.java:657) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:accessories-common.mixins.json:ServerChunkLoadingManagerAccessor from mod accessories,pl:mixin:APP:lootr-common.mixins.json:accessor.AccessorMixinChunkMap from mod lootr,pl:mixin:APP:servercore.common.mixins.json:features.dynamic.ChunkMapMixin from mod servercore,pl:mixin:APP:lithostitched.mixins.json:common.ChunkMapMixin from mod lithostitched,pl:mixin:APP:fabric-networking-api-v1.mixins.json:accessor.ServerChunkLoadingManagerAccessor from mod fabric_networking_api_v1,pl:mixin:APP:walkers.mixins.json:ThreadedAnvilChunkStorageAccessor from mod walkers,pl:mixin:APP:ars_nouveau.mixins.json:camera.ChunkMapMixin from mod ars_nouveau,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkTaskPriorityQueueSorter.lambda$message$1(ChunkTaskPriorityQueueSorter.java:62) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.util.thread.ProcessorMailbox.pollTask(ProcessorMailbox.java:91) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.util.thread.ProcessorMailbox.pollUntil(ProcessorMailbox.java:146) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.util.thread.ProcessorMailbox.run(ProcessorMailbox.java:102) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1423) [?:?] {}
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387) [?:?] {}
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312) [?:?] {}
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843) [?:?] {re:mixin,re:computing_frames}
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808) [?:?] {re:mixin,re:computing_frames}
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188) [?:?] {re:mixin}
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Worker-Main-2
Stacktrace:
at TRANSFORMER/dynamictreesplus@1.3.1/com.dtteam.dynamictreesplus.tree.HugeMushroomSpecies.rot(HugeMushroomSpecies.java:462) ~[DynamicTreesPlus-neoforge-1.21.1-1.3.1.jar%23608!/:?] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.block.branch.BasicBranchBlock.checkForRot(BasicBranchBlock.java:146) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.tree.species.Species.handleRot(Species.java:1425) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/dynamictreesplus@1.3.1/com.dtteam.dynamictreesplus.tree.HugeMushroomSpecies$1.generate(HugeMushroomSpecies.java:387) ~[DynamicTreesPlus-neoforge-1.21.1-1.3.1.jar%23608!/:?] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.tree.species.Species.generate(Species.java:2160) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.worldgen.feature.DynamicTreeFeature.generateTree(DynamicTreeFeature.java:123) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.worldgen.feature.DynamicTreeFeature.generateTrees(DynamicTreeFeature.java:80) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.worldgen.feature.DynamicTreeFeature.lambda$place$2(DynamicTreeFeature.java:68) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[?:?] {re:mixin}
at TRANSFORMER/dynamictrees@1.7.0/com.dtteam.dynamictrees.worldgen.feature.DynamicTreeFeature.place(DynamicTreeFeature.java:67) ~[dynamictrees-neoforge-1.21.1-1.7.0.jar%23607!/:1.7.0] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.levelgen.feature.Feature.place(Feature.java:168) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,re:classloading,pl:mixin:APP:farmersdelight.mixins.json:KeepRichSoilGiantTreeMixin from mod farmersdelight,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.levelgen.feature.ConfiguredFeature.place(ConfiguredFeature.java:28) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.levelgen.placement.PlacedFeature.lambda$placeWithContext$4(PlacedFeature.java:54) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:lithostitched.mixins.json:common.PlacedFeatureAccessor from mod lithostitched,pl:mixin:A}
at java.base/java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:411) ~[?:?] {}
at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?] {}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.levelgen.placement.PlacedFeature.placeWithContext(PlacedFeature.java:53) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:lithostitched.mixins.json:common.PlacedFeatureAccessor from mod lithostitched,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.levelgen.placement.PlacedFeature.placeWithBiomeCheck(PlacedFeature.java:42) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:lithostitched.mixins.json:common.PlacedFeatureAccessor from mod lithostitched,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.ChunkGenerator.applyBiomeDecoration(ChunkGenerator.java:396) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:betterfortresses.mixins.json:DisableVanillaFortressesMixin from mod betterfortresses,pl:mixin:APP:terrablender.mixins.json:MixinChunkGenerator from mod terrablender,pl:mixin:APP:betteroceanmonuments.mixins.json:DisableVanillaMonumentsMixin from mod betteroceanmonuments,pl:mixin:APP:servercore.common.mixins.json:optimizations.tickets.ChunkGeneratorMixin from mod servercore,pl:mixin:APP:bettermineshafts.mixins.json:DisableVanillaMineshaftsMixin from mod bettermineshafts,pl:mixin:APP:lithostitched.mixins.json:common.ChunkGeneratorAccessor from mod lithostitched,pl:mixin:APP:betterwitchhuts.mixins.json:DisableVanillaWitchHutsMixin from mod betterwitchhuts,pl:mixin:APP:betterstrongholds.mixins.json:DisableVanillaStrongholdsMixin from mod betterstrongholds,pl:mixin:APP:betterdeserttemples.mixins.json:DisableVanillaPyramidsMixin from mod betterdeserttemples,pl:mixin:APP:moonlight-common.mixins.json:ChunkGeneratorMixin from mod moonlight,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.status.ChunkStatusTasks.generateFeatures(ChunkStatusTasks.java:154) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,re:classloading,pl:mixin:APP:bettercaves.mixins.json:ChunkStatusTasksMixin from mod bettercaves,pl:mixin:APP:bettercaves.mixins.json:aquiferfix.ChunkStatusTasksMixin from mod bettercaves,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:ChunkGeneratingMixin from mod fabric_lifecycle_events_v1,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.status.ChunkStep.apply(ChunkStep.java:33) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,re:classloading,pl:mixin:APP:bettercaves.mixins.json:aquiferfix.ChunkStepMixin from mod bettercaves,pl:mixin:A}
Mixins in Stacktrace:
net.minecraft.world.level.levelgen.feature.Feature:
vectorwing.farmersdelight.common.mixin.KeepRichSoilGiantTreeMixin (farmersdelight.mixins.json)
net.minecraft.world.level.levelgen.placement.PlacedFeature:
dev.worldgen.lithostitched.mixin.common.PlacedFeatureAccessor (lithostitched.mixins.json)
net.minecraft.world.level.chunk.ChunkGenerator:
net.mehvahdjukaar.moonlight.core.mixins.ChunkGeneratorMixin (moonlight-common.mixins.json)
com.yungnickyoung.minecraft.betterdeserttemples.mixin.DisableVanillaPyramidsMixin (betterdeserttemples.mixins.json)
com.yungnickyoung.minecraft.betterwitchhuts.mixin.DisableVanillaWitchHutsMixin (betterwitchhuts.mixins.json)
dev.worldgen.lithostitched.mixin.common.ChunkGeneratorAccessor (lithostitched.mixins.json)
com.yungnickyoung.minecraft.betterfortresses.mixin.DisableVanillaFortressesMixin (betterfortresses.mixins.json)
me.wesley1808.servercore.mixin.optimizations.tickets.ChunkGeneratorMixin (servercore.common.mixins.json)
com.yungnickyoung.minecraft.bettermineshafts.mixin.DisableVanillaMineshaftsMixin (bettermineshafts.mixins.json)
com.yungnickyoung.minecraft.betteroceanmonuments.mixin.DisableVanillaMonumentsMixin (betteroceanmonuments.mixins.json)
terrablender.mixin.MixinChunkGenerator (terrablender.mixins.json)
com.yungnickyoung.minecraft.betterstrongholds.mixin.DisableVanillaStrongholdsMixin (betterstrongholds.mixins.json)
net.minecraft.world.level.chunk.status.ChunkStatusTasks:
com.yungnickyoung.minecraft.bettercaves.mixin.ChunkStatusTasksMixin (bettercaves.mixins.json)
com.yungnickyoung.minecraft.bettercaves.mixin.aquiferfix.ChunkStatusTasksMixin (bettercaves.mixins.json)
net.fabricmc.fabric.mixin.event.lifecycle.ChunkGeneratingMixin (fabric-lifecycle-events-v1.mixins.json)
net.minecraft.world.level.chunk.status.ChunkStep:
com.yungnickyoung.minecraft.bettercaves.mixin.aquiferfix.ChunkStepMixin (bettercaves.mixins.json)
-- Feature --
Details:
Description: ResourceKey[minecraft:worldgen/placed_feature / dynamictrees:dynamic_tree]
Stacktrace:
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.ChunkGenerator.applyBiomeDecoration(ChunkGenerator.java:396) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:betterfortresses.mixins.json:DisableVanillaFortressesMixin from mod betterfortresses,pl:mixin:APP:terrablender.mixins.json:MixinChunkGenerator from mod terrablender,pl:mixin:APP:betteroceanmonuments.mixins.json:DisableVanillaMonumentsMixin from mod betteroceanmonuments,pl:mixin:APP:servercore.common.mixins.json:optimizations.tickets.ChunkGeneratorMixin from mod servercore,pl:mixin:APP:bettermineshafts.mixins.json:DisableVanillaMineshaftsMixin from mod bettermineshafts,pl:mixin:APP:lithostitched.mixins.json:common.ChunkGeneratorAccessor from mod lithostitched,pl:mixin:APP:betterwitchhuts.mixins.json:DisableVanillaWitchHutsMixin from mod betterwitchhuts,pl:mixin:APP:betterstrongholds.mixins.json:DisableVanillaStrongholdsMixin from mod betterstrongholds,pl:mixin:APP:betterdeserttemples.mixins.json:DisableVanillaPyramidsMixin from mod betterdeserttemples,pl:mixin:APP:moonlight-common.mixins.json:ChunkGeneratorMixin from mod moonlight,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.status.ChunkStatusTasks.generateFeatures(ChunkStatusTasks.java:154) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,re:classloading,pl:mixin:APP:bettercaves.mixins.json:ChunkStatusTasksMixin from mod bettercaves,pl:mixin:APP:bettercaves.mixins.json:aquiferfix.ChunkStatusTasksMixin from mod bettercaves,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:ChunkGeneratingMixin from mod fabric_lifecycle_events_v1,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.status.ChunkStep.apply(ChunkStep.java:33) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,re:classloading,pl:mixin:APP:bettercaves.mixins.json:aquiferfix.ChunkStepMixin from mod bettercaves,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkMap.applyStep(ChunkMap.java:628) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:accessories-common.mixins.json:ServerChunkLoadingManagerAccessor from mod accessories,pl:mixin:APP:lootr-common.mixins.json:accessor.AccessorMixinChunkMap from mod lootr,pl:mixin:APP:servercore.common.mixins.json:features.dynamic.ChunkMapMixin from mod servercore,pl:mixin:APP:lithostitched.mixins.json:common.ChunkMapMixin from mod lithostitched,pl:mixin:APP:fabric-networking-api-v1.mixins.json:accessor.ServerChunkLoadingManagerAccessor from mod fabric_networking_api_v1,pl:mixin:APP:walkers.mixins.json:ThreadedAnvilChunkStorageAccessor from mod walkers,pl:mixin:APP:ars_nouveau.mixins.json:camera.ChunkMapMixin from mod ars_nouveau,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.GenerationChunkHolder.applyStep(GenerationChunkHolder.java:64) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkGenerationTask.scheduleChunkInLayer(ChunkGenerationTask.java:143) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkGenerationTask.scheduleLayer(ChunkGenerationTask.java:121) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkGenerationTask.scheduleNextLayer(ChunkGenerationTask.java:74) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkGenerationTask.runUntilWait(ChunkGenerationTask.java:59) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkMap.lambda$runGenerationTask$21(ChunkMap.java:657) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:accessories-common.mixins.json:ServerChunkLoadingManagerAccessor from mod accessories,pl:mixin:APP:lootr-common.mixins.json:accessor.AccessorMixinChunkMap from mod lootr,pl:mixin:APP:servercore.common.mixins.json:features.dynamic.ChunkMapMixin from mod servercore,pl:mixin:APP:lithostitched.mixins.json:common.ChunkMapMixin from mod lithostitched,pl:mixin:APP:fabric-networking-api-v1.mixins.json:accessor.ServerChunkLoadingManagerAccessor from mod fabric_networking_api_v1,pl:mixin:APP:walkers.mixins.json:ThreadedAnvilChunkStorageAccessor from mod walkers,pl:mixin:APP:ars_nouveau.mixins.json:camera.ChunkMapMixin from mod ars_nouveau,pl:mixin:A}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkTaskPriorityQueueSorter.lambda$message$1(ChunkTaskPriorityQueueSorter.java:62) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.util.thread.ProcessorMailbox.pollTask(ProcessorMailbox.java:91) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.util.thread.ProcessorMailbox.pollUntil(ProcessorMailbox.java:146) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at TRANSFORMER/minecraft@1.21.1/net.minecraft.util.thread.ProcessorMailbox.run(ProcessorMailbox.java:102) ~[server-1.21.1-20240808.144430-srg.jar%23498!/:?] {re:classloading}
at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1423) [?:?] {}
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387) [?:?] {}
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312) [?:?] {}
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843) [?:?] {re:mixin,re:computing_frames}
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808) [?:?] {re:mixin,re:computing_frames}
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188) [?:?] {re:mixin}
Mixins in Stacktrace:
net.minecraft.world.level.chunk.ChunkGenerator:
net.mehvahdjukaar.moonlight.core.mixins.ChunkGeneratorMixin (moonlight-common.mixins.json)
com.yungnickyoung.minecraft.betterdeserttemples.mixin.DisableVanillaPyramidsMixin (betterdeserttemples.mixins.json)
com.yungnickyoung.minecraft.betterwitchhuts.mixin.DisableVanillaWitchHutsMixin (betterwitchhuts.mixins.json)
dev.worldgen.lithostitched.mixin.common.ChunkGeneratorAccessor (lithostitched.mixins.json)
com.yungnickyoung.minecraft.betterfortresses.mixin.DisableVanillaFortressesMixin (betterfortresses.mixins.json)
me.wesley1808.servercore.mixin.optimizations.tickets.ChunkGeneratorMixin (servercore.common.mixins.json)
com.yungnickyoung.minecraft.bettermineshafts.mixin.DisableVanillaMineshaftsMixin (bettermineshafts.mixins.json)
com.yungnickyoung.minecraft.betteroceanmonuments.mixin.DisableVanillaMonumentsMixin (betteroceanmonuments.mixins.json)
terrablender.mixin.MixinChunkGenerator (terrablender.mixins.json)
com.yungnickyoung.minecraft.betterstrongholds.mixin.DisableVanillaStrongholdsMixin (betterstrongholds.mixins.json)
net.minecraft.world.level.chunk.status.ChunkStatusTasks:
com.yungnickyoung.minecraft.bettercaves.mixin.ChunkStatusTasksMixin (bettercaves.mixins.json)
com.yungnickyoung.minecraft.bettercaves.mixin.aquiferfix.ChunkStatusTasksMixin (bettercaves.mixins.json)
net.fabricmc.fabric.mixin.event.lifecycle.ChunkGeneratingMixin (fabric-lifecycle-events-v1.mixins.json)
net.minecraft.world.level.chunk.status.ChunkStep:
com.yungnickyoung.minecraft.bettercaves.mixin.aquiferfix.ChunkStepMixin (bettercaves.mixins.json)
net.minecraft.server.level.ChunkMap:
io.wispforest.accessories.mixin.ServerChunkLoadingManagerAccessor (accessories-common.mixins.json)
me.wesley1808.servercore.mixin.features.dynamic.ChunkMapMixin (servercore.common.mixins.json)
dev.worldgen.lithostitched.mixin.common.ChunkMapMixin (lithostitched.mixins.json)
noobanidus.mods.lootr.common.mixin.accessor.AccessorMixinChunkMap (lootr-common.mixins.json)
tocraft.walkers.mixin.ThreadedAnvilChunkStorageAccessor (walkers.mixins.json)
net.fabricmc.fabric.mixin.networking.accessor.ServerChunkLoadingManagerAccessor (fabric-networking-api-v1.mixins.json)
com.hollingsworth.arsnouveau.common.mixin.camera.ChunkMapMixin (ars_nouveau.mixins.json)
I would loathe to remove the mod and obliterate entire biomes of forests on this server...
MC 1.21.1
NeoForge 21.1.219
DynamicTreesPlus 1.3.1
World generated on previous version 1.31.1-BETA01