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Structure Crash
---- Minecraft Crash Report ----
// Why is it breaking :(
Time: 5/10/19, 10:55 PM
Description: Exception generating new chunk
java.util.ConcurrentModificationException
at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134)
at net.minecraft.structure.StructureManager.getStructure(StructureManager.java:58)
at net.minecraft.structure.StructureManager.getStructureOrBlank(StructureManager.java:47)
at net.minecraft.structure.pool.SinglePoolElement.getStructureBlockInfos(SinglePoolElement.java:77)
at net.minecraft.structure.pool.StructurePoolBasedGenerator$class_4182.method_19306(StructurePoolBasedGenerator.java:144)
at net.minecraft.structure.pool.StructurePoolBasedGenerator$class_4182.<init>(StructurePoolBasedGenerator.java:81)
at net.minecraft.structure.pool.StructurePoolBasedGenerator.addPieces(StructurePoolBasedGenerator.java:38)
at net.minecraft.structure.VillageGenerator.addPieces(VillageGenerator.java:21)
at net.minecraft.world.gen.feature.VillageFeature$Start.initialize(VillageFeature.java:68)
at net.minecraft.world.gen.chunk.ChunkGenerator.setStructureStarts(ChunkGenerator.java:163)
at net.minecraft.world.chunk.ChunkStatus.method_16556(ChunkStatus.java:147)
at net.minecraft.world.chunk.ChunkStatus.runTask(ChunkStatus.java:112)
at net.minecraft.server.world.ThreadedAnvilChunkStorage.method_17225(ThreadedAnvilChunkStorage.java:441)
at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
at net.minecraft.server.world.ThreadedAnvilChunkStorage.method_17224(ThreadedAnvilChunkStorage.java:438)
at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1072)
at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478)
at net.minecraft.server.world.ChunkTaskPrioritySystem.method_17634(ChunkTaskPrioritySystem.java:42)
at net.minecraft.util.MailboxProcessor.runNext(MailboxProcessor.java:76)
at net.minecraft.util.MailboxProcessor.run(MailboxProcessor.java:116)
at net.minecraft.util.MailboxProcessor.run(MailboxProcessor.java:84)
at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1426)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Server-Worker-2
Stacktrace:
at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134)
at net.minecraft.structure.StructureManager.getStructure(StructureManager.java:58)
at net.minecraft.structure.StructureManager.getStructureOrBlank(StructureManager.java:47)
at net.minecraft.structure.pool.SinglePoolElement.getStructureBlockInfos(SinglePoolElement.java:77)
at net.minecraft.structure.pool.StructurePoolBasedGenerator$class_4182.method_19306(StructurePoolBasedGenerator.java:144)
at net.minecraft.structure.pool.StructurePoolBasedGenerator$class_4182.<init>(StructurePoolBasedGenerator.java:81)
at net.minecraft.structure.pool.StructurePoolBasedGenerator.addPieces(StructurePoolBasedGenerator.java:38)
at net.minecraft.structure.VillageGenerator.addPieces(VillageGenerator.java:21)
at net.minecraft.world.gen.feature.VillageFeature$Start.initialize(VillageFeature.java:68)
at net.minecraft.world.gen.chunk.ChunkGenerator.setStructureStarts(ChunkGenerator.java:163)
at net.minecraft.world.chunk.ChunkStatus.method_16556(ChunkStatus.java:147)
at net.minecraft.world.chunk.ChunkStatus.runTask(ChunkStatus.java:112)
-- Chunk to be generated --
Details:
Location: -29,-18
Position hash: -73014444061
Generator: net.minecraft.world.gen.chunk.FlatChunkGenerator@6406347
Stacktrace:
at net.minecraft.server.world.ThreadedAnvilChunkStorage.method_17225(ThreadedAnvilChunkStorage.java:441)
at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
at net.minecraft.server.world.ThreadedAnvilChunkStorage.method_17224(ThreadedAnvilChunkStorage.java:438)
at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1072)
at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478)
at net.minecraft.server.world.ChunkTaskPrioritySystem.method_17634(ChunkTaskPrioritySystem.java:42)
at net.minecraft.util.MailboxProcessor.runNext(MailboxProcessor.java:76)
at net.minecraft.util.MailboxProcessor.run(MailboxProcessor.java:116)
at net.minecraft.util.MailboxProcessor.run(MailboxProcessor.java:84)
at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1426)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
-- System Details --
Details:
Minecraft Version: 1.14.1 Pre-Release 2
Operating System: Linux (amd64) version 4.18.0-18-generic
Java Version: 11.0.2, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
Memory: 565335040 bytes (539 MB) / 1317011456 bytes (1256 MB) up to 4167041024 bytes (3974 MB)
JVM Flags: 0 total;
Fabric Mods:
bluelightspecial: 0.1.0
fabric: 0.2.7+build.127
fabricloader: 0.4.6+build.144
[22:54:44] [main/INFO]: Loading for game Minecraft 1.14.1 Pre-Release 2
[22:54:44] [ForkJoinPool-1-worker-3/WARN]: Mod ID fabric uses outdated schema version: 0 < 1
[22:54:44] [main/INFO]: [FabricLoader] Loading 3 mods: [email protected]+build.127, [email protected]+build.144, [email protected]
[22:54:44] [main/INFO]: SpongePowered MIXIN Subsystem Version=0.7.11 Source=file:/home/neroc/.gradle/caches/modules-2/files-2.1/net.fabricmc/sponge-mixin/0.7.11.30/12878b7fa8bcc30844de4fa9e09d95c36b8c359b/sponge-mixin-0.7.11.30.jar Service=Knot/Fabric Env=CLIENT
[22:54:44] [main/INFO]: Loaded Fabric development mappings for mixin remapper!
[22:54:44] [main/INFO]: Compatibility level set to JAVA_8
[22:54:44] [main/WARN]: Mixin config net.fabricmc.fabric.mixins.client.json does not specify "minVersion" property
[22:54:44] [main/WARN]: Mixin config net.fabricmc.fabric.mixins.common.json does not specify "minVersion" property
[22:54:44] [main/INFO]: Remapping refMap net.fabricmc.fabric.refmap.json using remapper chain
[22:54:44] [main/INFO]: Remapping refMap net.fabricmc.fabric.refmap.json using remapper chain
[22:54:45] [main/INFO]: Setting user: Player761
[22:54:48] [main/WARN]: Skipping bad option: lastServer:
[22:54:48] [main/INFO]: LWJGL Version: 3.2.1 build 12
[22:54:50] [main/WARN]: ERROR : Couldn't load Narrator library : Unable to load library 'fliteWrapper': Can't obtain InputStream for linux-x86-64/libfliteWrapper.so
[22:54:50] [main/INFO]: Built for minecraft version 1.14
[22:54:50] [main/ERROR]: Failed to load Realms module: Realms incompatible. Built for Minecraft version 1.14, trying to load in 1.14.1 Pre-Release 2. Note that the realms plugin isn't forwards compatible any longer.
[22:54:57] [main/INFO]: OpenAL initialized.
[22:54:57] [main/INFO]: Sound engine started
[22:54:57] [main/INFO]: Created: 1024x512 textures-atlas
[22:54:57] [main/INFO]: Created: 256x256 textures/particle-atlas
[22:54:57] [main/INFO]: Created: 256x256 textures/painting-atlas
[22:54:57] [main/INFO]: Created: 256x128 textures/mob_effect-atlas
[22:55:50] [main/INFO]: Loading Fabric registry [file 1/4]
[22:55:50] [main/WARN]: Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
[22:55:50] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[22:55:50] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
[22:55:50] [main/WARN]: Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
[22:55:50] [main/WARN]: Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[22:55:50] [Server thread/INFO]: Starting integrated minecraft server version 1.14.1 Pre-Release 2
[22:55:50] [Server thread/INFO]: Generating keypair
[22:55:50] [Server thread/INFO]: Loading Fabric registry [file 1/4]
[22:55:50] [Server thread/INFO]: Reloading ResourceManager: Default, Fabric API
[22:55:50] [Server thread/INFO]: Loaded 6 recipes
[22:55:51] [Server thread/INFO]: Loaded 811 advancements
[22:55:51] [Server thread/INFO]: Preparing start region for dimension minecraft:overworld
[22:55:51] [main/INFO]: Preparing spawn area: 0%
[22:55:52] [main/INFO]: Preparing spawn area: 0%
[22:55:52] [Server thread/ERROR]: Exception loading structure piece with id minecraft:nvi
java.util.ConcurrentModificationException: null
at java.util.HashMap.computeIfAbsent(HashMap.java:1134) ~[?:?]
at net.minecraft.structure.StructureManager.getStructure(StructureManager.java:58) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.StructureManager.getStructureOrBlank(StructureManager.java:47) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.pool.SinglePoolElement.getBoundingBox(SinglePoolElement.java:84) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.PoolStructurePiece.<init>(PoolStructurePiece.java:47) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.VillageGenerator$Piece.<init>(VillageGenerator.java:30) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.StructureFeatures.readStructureStart(StructureFeatures.java:72) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.world.ChunkSerializer.readStructureStarts(ChunkSerializer.java:497) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.world.ChunkSerializer.deserialize(ChunkSerializer.java:196) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ThreadedAnvilChunkStorage.method_17256(ThreadedAnvilChunkStorage.java:410) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700) [?:?]
at net.minecraft.util.ThreadExecutor.runSafely(ThreadExecutor.java:127) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.util.ThreadExecutor.executeQueuedTask(ThreadExecutor.java:105) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ServerChunkManager$MainThreadExecutor.executeQueuedTask(ServerChunkManager.java:492) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ServerChunkManager.executeQueuedTasks(ServerChunkManager.java:224) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.method_20415(MinecraftServer.java:703) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.executeQueuedTask(MinecraftServer.java:689) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.util.ThreadExecutor.waitFor(ThreadExecutor.java:115) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.method_16208(MinecraftServer.java:675) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.prepareStartRegion(MinecraftServer.java:448) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.integrated.IntegratedServer.loadWorld(IntegratedServer.java:82) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.integrated.IntegratedServer.setupServer(IntegratedServer.java:94) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:603) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at java.lang.Thread.run(Thread.java:834) [?:?]
[22:55:52] [Server thread/ERROR]: Exception loading structure piece with id minecraft:nvi
java.util.ConcurrentModificationException: null
at java.util.HashMap.computeIfAbsent(HashMap.java:1134) ~[?:?]
at net.minecraft.structure.StructureManager.getStructure(StructureManager.java:58) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.StructureManager.getStructureOrBlank(StructureManager.java:47) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.pool.SinglePoolElement.getBoundingBox(SinglePoolElement.java:84) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.PoolStructurePiece.<init>(PoolStructurePiece.java:47) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.VillageGenerator$Piece.<init>(VillageGenerator.java:30) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.StructureFeatures.readStructureStart(StructureFeatures.java:72) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.world.ChunkSerializer.readStructureStarts(ChunkSerializer.java:497) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.world.ChunkSerializer.deserialize(ChunkSerializer.java:196) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ThreadedAnvilChunkStorage.method_17256(ThreadedAnvilChunkStorage.java:410) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700) [?:?]
at net.minecraft.util.ThreadExecutor.runSafely(ThreadExecutor.java:127) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.util.ThreadExecutor.executeQueuedTask(ThreadExecutor.java:105) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ServerChunkManager$MainThreadExecutor.executeQueuedTask(ServerChunkManager.java:492) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ServerChunkManager.executeQueuedTasks(ServerChunkManager.java:224) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.method_20415(MinecraftServer.java:703) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.executeQueuedTask(MinecraftServer.java:689) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.util.ThreadExecutor.waitFor(ThreadExecutor.java:115) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.method_16208(MinecraftServer.java:675) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.prepareStartRegion(MinecraftServer.java:448) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.integrated.IntegratedServer.loadWorld(IntegratedServer.java:82) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.integrated.IntegratedServer.setupServer(IntegratedServer.java:94) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:603) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at java.lang.Thread.run(Thread.java:834) [?:?]
[22:55:52] [Server thread/ERROR]: Exception loading structure piece with id minecraft:nvi
java.util.ConcurrentModificationException: null
at java.util.HashMap.computeIfAbsent(HashMap.java:1134) ~[?:?]
at net.minecraft.structure.StructureManager.getStructure(StructureManager.java:58) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.StructureManager.getStructureOrBlank(StructureManager.java:47) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.pool.SinglePoolElement.getBoundingBox(SinglePoolElement.java:84) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.PoolStructurePiece.<init>(PoolStructurePiece.java:47) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.VillageGenerator$Piece.<init>(VillageGenerator.java:30) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.StructureFeatures.readStructureStart(StructureFeatures.java:72) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.world.ChunkSerializer.readStructureStarts(ChunkSerializer.java:497) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.world.ChunkSerializer.deserialize(ChunkSerializer.java:196) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ThreadedAnvilChunkStorage.method_17256(ThreadedAnvilChunkStorage.java:410) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700) [?:?]
at net.minecraft.util.ThreadExecutor.runSafely(ThreadExecutor.java:127) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.util.ThreadExecutor.executeQueuedTask(ThreadExecutor.java:105) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ServerChunkManager$MainThreadExecutor.executeQueuedTask(ServerChunkManager.java:492) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ServerChunkManager.executeQueuedTasks(ServerChunkManager.java:224) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.method_20415(MinecraftServer.java:703) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.executeQueuedTask(MinecraftServer.java:689) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.util.ThreadExecutor.waitFor(ThreadExecutor.java:115) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.method_16208(MinecraftServer.java:675) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.prepareStartRegion(MinecraftServer.java:448) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.integrated.IntegratedServer.loadWorld(IntegratedServer.java:82) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.integrated.IntegratedServer.setupServer(IntegratedServer.java:94) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:603) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at java.lang.Thread.run(Thread.java:834) [?:?]
[22:55:52] [Server thread/ERROR]: Exception loading structure piece with id minecraft:nvi
java.util.ConcurrentModificationException: null
at java.util.HashMap.computeIfAbsent(HashMap.java:1134) ~[?:?]
at net.minecraft.structure.StructureManager.getStructure(StructureManager.java:58) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.StructureManager.getStructureOrBlank(StructureManager.java:47) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.pool.SinglePoolElement.getBoundingBox(SinglePoolElement.java:84) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.PoolStructurePiece.<init>(PoolStructurePiece.java:47) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.VillageGenerator$Piece.<init>(VillageGenerator.java:30) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.StructureFeatures.readStructureStart(StructureFeatures.java:72) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.world.ChunkSerializer.readStructureStarts(ChunkSerializer.java:497) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.world.ChunkSerializer.deserialize(ChunkSerializer.java:196) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ThreadedAnvilChunkStorage.method_17256(ThreadedAnvilChunkStorage.java:410) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700) [?:?]
at net.minecraft.util.ThreadExecutor.runSafely(ThreadExecutor.java:127) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.util.ThreadExecutor.executeQueuedTask(ThreadExecutor.java:105) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ServerChunkManager$MainThreadExecutor.executeQueuedTask(ServerChunkManager.java:492) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ServerChunkManager.executeQueuedTasks(ServerChunkManager.java:224) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.method_20415(MinecraftServer.java:703) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.executeQueuedTask(MinecraftServer.java:689) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.util.ThreadExecutor.waitFor(ThreadExecutor.java:115) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.method_16208(MinecraftServer.java:675) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.prepareStartRegion(MinecraftServer.java:448) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.integrated.IntegratedServer.loadWorld(IntegratedServer.java:82) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.integrated.IntegratedServer.setupServer(IntegratedServer.java:94) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:603) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at java.lang.Thread.run(Thread.java:834) [?:?]
[22:55:52] [Server thread/ERROR]: Exception loading structure piece with id minecraft:nvi
java.util.ConcurrentModificationException: null
at java.util.HashMap.computeIfAbsent(HashMap.java:1134) ~[?:?]
at net.minecraft.structure.StructureManager.getStructure(StructureManager.java:58) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.StructureManager.getStructureOrBlank(StructureManager.java:47) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.pool.SinglePoolElement.getBoundingBox(SinglePoolElement.java:84) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.PoolStructurePiece.<init>(PoolStructurePiece.java:47) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.VillageGenerator$Piece.<init>(VillageGenerator.java:30) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.structure.StructureFeatures.readStructureStart(StructureFeatures.java:72) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.world.ChunkSerializer.readStructureStarts(ChunkSerializer.java:497) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.world.ChunkSerializer.deserialize(ChunkSerializer.java:196) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ThreadedAnvilChunkStorage.method_17256(ThreadedAnvilChunkStorage.java:410) ~[minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700) [?:?]
at net.minecraft.util.ThreadExecutor.runSafely(ThreadExecutor.java:127) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.util.ThreadExecutor.executeQueuedTask(ThreadExecutor.java:105) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ServerChunkManager$MainThreadExecutor.executeQueuedTask(ServerChunkManager.java:492) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.world.ServerChunkManager.executeQueuedTasks(ServerChunkManager.java:224) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.method_20415(MinecraftServer.java:703) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.executeQueuedTask(MinecraftServer.java:689) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.util.ThreadExecutor.waitFor(ThreadExecutor.java:115) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.method_16208(MinecraftServer.java:675) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.prepareStartRegion(MinecraftServer.java:448) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.integrated.IntegratedServer.loadWorld(IntegratedServer.java:82) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.integrated.IntegratedServer.setupServer(IntegratedServer.java:94) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:603) [minecraft-1.14.1%20Pre-Release%202-mapped-2.jar:?]
at java.lang.Thread.run(Thread.java:834) [?:?]
[22:55:52] [main/INFO]: Preparing spawn area: 0%
[22:55:53] [main/INFO]: Preparing spawn area: 9%
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