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Bug
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Resolution: Duplicate
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None
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Minecraft 18w06a
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None
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Windows 10
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Unconfirmed
---- Minecraft Crash Report ---- // Everything's going to plan. No, really, that was supposed to happen. Time: 09/02/18 13:51 Description: Exception generating new chunk java.util.concurrent.ExecutionException: java.util.ConcurrentModificationException at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2237) at rz.c(SourceFile:130) at sg.a(SourceFile:84) at sh.c(SourceFile:144) at sa.k_(SourceFile:221) at net.minecraft.server.MinecraftServer.w(SourceFile:695) at net.minecraft.server.MinecraftServer.v(SourceFile:628) at cvl.v(SourceFile:155) at net.minecraft.server.MinecraftServer.run(SourceFile:533) at java.lang.Thread.run(Thread.java:745) Caused by: java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) at java.util.ArrayList$Itr.next(ArrayList.java:851) at bpa.a(SourceFile:55) at bkz$a.a(SourceFile:115) at bly.a(SourceFile:92) at bny.a(SourceFile:16) at bny.a(SourceFile:13) at bit.a(SourceFile:27) at aud.a(SourceFile:416) at bif.b(SourceFile:122) at sn.a(SourceFile:13) at sm.a(SourceFile:34) at bgq.a(SourceFile:89) at sr.a(SourceFile:54) at sr.a(SourceFile:23) at zo$a.a(SourceFile:143) at zo$a$$Lambda$882/1704220437.apply(Unknown Source) at java.util.concurrent.CompletableFuture$AsyncApply.exec(CompletableFuture.java:501) at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:902) at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1689) at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1644) at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at rz.a(SourceFile:180) -- Chunk to be generated -- Details: Location: 80,-17 Position hash: -73014443952 Generator: bif@69875dd1 Stacktrace: at rz.a(SourceFile:180) at rz.c(SourceFile:133) at sg.a(SourceFile:84) at sh.c(SourceFile:144) at sa.k_(SourceFile:221) at net.minecraft.server.MinecraftServer.w(SourceFile:695) at net.minecraft.server.MinecraftServer.v(SourceFile:628) at cvl.v(SourceFile:155) at net.minecraft.server.MinecraftServer.run(SourceFile:533) at java.lang.Thread.run(Thread.java:745) -- Affected level -- Details: Level name: generate snapshot All players: 1 total; [sc['mariohessel'/281, l='generate snapshot', x=1093.86, y=70.24, z=-409.13]] Chunk stats: ServerChunkCache: 1035 Drop: 0 Level seed: -2484772713405290736 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: Level spawn location: World: (8,64,136), Chunk: (at 8,4,8 in 0,8; contains blocks 0,0,128 to 15,255,143), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 17173 game time, 3805 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 125660 (now: false), thunder time: 135964 (now: false) Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true -- System Details -- Details: Minecraft Version: 18w06a Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_25, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 158193904 bytes (150 MB) / 822083584 bytes (784 MB) up to 1073741824 bytes (1024 MB) JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M Profiler Position: N/A (disabled) Player Count: 1 / 8; [sc['mariohessel'/281, l='generate snapshot', x=1093.86, y=70.24, z=-409.13]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
- duplicates
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MC-125030 Game crashes while creating a superflat world with biome_1 tag and Classic Flat
- Resolved