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  1. Minecraft: Java Edition
  2. MC-130182

Can't open world from 1.12

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: Minecraft 18w21a, Minecraft 18w22c, Minecraft 1.13-pre2
    • Fix Version/s: Minecraft 1.13-pre5
    • Labels:
      None
    • Confirmation Status:
      Confirmed

      Description

      After trying opening world in newest snapshot like 18w20c or 18w21a i'm stuck on Loading area screen with Preparing spawn area 0% spam on logs. Attaching world that can be opened in 1.12.2, but can't in new snaps: 5178019746038571832.zip

      Found while testing: MC-125038

      Description: Exception in server tick loop
      
      java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.util.ConcurrentModificationException
      	at net.minecraft.server.MinecraftServer.g_(SourceFile:392)
      	at dik.a(SourceFile:116)
      	at dik.d(SourceFile:132)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:501)
      	at java.lang.Thread.run(Thread.java:745)
      Caused by: java.util.concurrent.ExecutionException: java.util.ConcurrentModificationException
      	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2272)
      	at net.minecraft.server.MinecraftServer.g_(SourceFile:390)
      	... 4 more
      Caused by: java.util.ConcurrentModificationException
      	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
      	at java.util.ArrayList$Itr.next(ArrayList.java:851)
      	at bzx.b(SourceFile:178)
      	at bzx.c(SourceFile:214)
      	at bzx.a(SourceFile:34)
      	at bzx$p.c(SourceFile:352)
      	at bzx$d.a(SourceFile:835)
      	at bwj$a.<init>(SourceFile:89)
      	at bwj.a(SourceFile:61)
      	at bwk.a(SourceFile:233)
      	at bwk.a(SourceFile:71)
      	at byq.a(SourceFile:16)
      	at byq.a(SourceFile:13)
      	at bsn.a(SourceFile:27)
      	at bca.a(SourceFile:515)
      	at bqa.a(SourceFile:109)
      	at ta.a(SourceFile:12)
      	at sz.a(SourceFile:34)
      	at bqe.a(SourceFile:95)
      	at tg.a(SourceFile:62)
      	at tg.a(SourceFile:25)
      	at agi$a.a(SourceFile:131)
      	at agi$a$$Lambda$1566/401714752.apply(Unknown Source)
      	at java.util.concurrent.CompletableFuture$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)
      

        Attachments

        1. crash-2018-06-03_01.48.26-server.txt
          3 kB
          [Mod] Kumasasa
        2. latest.log
          35 kB
          Michał
        3. launcher_log.txt
          726 kB
          OoOoAhAHHead
        4. launcher_log.txt
          18 kB
          [Mod] Kumasasa

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              • Assignee:
                Unassigned
                Reporter:
                Toboe_Irbis Michał
              • Votes:
                1 Vote for this issue
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                3 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: