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  1. Minecraft: Java Edition
  2. MC-215946

Game fatally crashed while exploring chunks (IllegalStateException: Accessing PalettedContainer from multiple threads)

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: 21w07a, 21w08b, 21w10a, 21w11a, 21w13a, 21w14a, 21w17a, 21w19a, 1.17 Pre-release 1
    • Fix Version/s: 21w18a, 1.17 Pre-release 3
    • Labels:
      None
    • Confirmation Status:
      Plausible
    • Category:
      Crash
    • Mojang Priority:
      Very Important

      Description

      The bug

      Today I was generating and testing worlds on 21w07a and then I loaded some chunks. But then my game went unresponsive and crashed. This was also happening on a server today too with the worker threads dying.

      Stack trace

      Description: Accessing PalettedContainer from multiple threads
      
      java.lang.IllegalStateException
      	at ahc.a(SourceFile:27)
      	at ahc.a(SourceFile:19)
      	at cml.a(SourceFile:50)
      	at cml.a(SourceFile:109)
      	at cmf.a(SourceFile:66)
      	at cmf.a(SourceFile:60)
      	at cmm.a(SourceFile:179)
      	at abr.a(SourceFile:229)
      	at bwg.a(SourceFile:15)
      	at ctn.c(SourceFile:141)
      	at cya.a(SourceFile:75)
      	at cxv.a(SourceFile:120)
      	at cxv.a(SourceFile:165)
      	at cxv.a(SourceFile:92)
      	at ctn.a(SourceFile:98)
      	at ctn.a(SourceFile:152)
      	at cqv.a(SourceFile:55)
      	at crb.a(SourceFile:29)
      	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 crb.a(SourceFile:28)
      	at cqv.a(SourceFile:55)
      	at crb.a(SourceFile:29)
      	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
      	at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762)
      	at crb.a(SourceFile:28)
      	at cqv.a(SourceFile:55)
      	at crb.a(SourceFile:29)
      	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 crb.a(SourceFile:28)
      	at cqv.a(SourceFile:55)
      	at bwx.a(SourceFile:382)
      	at clv.a(SourceFile:245)
      	at clx.c(SourceFile:100)
      	at clx.a(SourceFile:231)
      	at aay.a(SourceFile:563)
      	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
      	at aay.a(SourceFile:557)
      	at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146)
      	at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478)
      	at aba.b(SourceFile:58)
      	at aqh.f(SourceFile:92)
      	at aqh.a(SourceFile:132)
      	at aqh.run(SourceFile:100)
      	at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434)
      	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295)
      	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016)
      	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665)
      	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598)
      	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)
      

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              Assignee:
              Unassigned Unassigned
              Reporter:
              Welcome_234 Welcome 234
              Votes:
              16 Vote for this issue
              Watchers:
              10 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved:
                CHK: