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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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Unconfirmed
The bug
The game can crash with the attached crash report when for example creating a superflat world with the preset below:
minecraft:stone,minecraft:sand,2*minecraft:air,minecraft:stone;2;biome_1,decoration
Crash report
Description: Exception generating new chunk java.util.concurrent.ExecutionException: java.lang.ClassCastException: axc cannot be cast to azb at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2237) at rz.c(SourceFile:130) at atm.c(SourceFile:311) at atm.p(SourceFile:307) at atm.b(SourceFile:718) at atm.c(SourceFile:247) at atm.l(SourceFile:231) at bho.b(SourceFile:61) at sa.b(SourceFile:824) at sa.a(SourceFile:760) at cvl.a(SourceFile:98) at cvl.d(SourceFile:131) at net.minecraft.server.MinecraftServer.run(SourceFile:503) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.ClassCastException: axc cannot be cast to azb at sf.f(SourceFile:169) at bpl.a(SourceFile:221) at bpl.b(SourceFile:175) at bpl.a(SourceFile:171) at boo.a(SourceFile:63) at bpa.a(SourceFile:57) 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 bhz.b(SourceFile:142) 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$875/621712682.apply(Unknown Source) at java.util.concurrent.CompletableFuture$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)
- duplicates
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MC-125030 Game crashes while creating a superflat world with biome_1 tag and Classic Flat
- Resolved