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  1. Minecraft: Java Edition
  2. MC-140790

Multiplayer server crash at end of raids

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: Minecraft 18w49a, Minecraft 18w50a
    • Fix Version/s: Minecraft 19w02a
    • Labels:
    • Confirmation Status:
      Confirmed

      Description

      When raid wave is nearly complete, final mob to find crashes the server.
      Recreated twice, after two separate raids in the same area/village.

      ---- Minecraft Crash Report ----
      // Surprise! Haha. Well, this is awkward.
      
      Time: 12/8/18 3:36 PM
      Description: Exception ticking world
      
      java.util.ConcurrentModificationException
      	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442)
      	at java.util.HashMap$KeyIterator.next(HashMap.java:1466)
      	at ui.b(SourceFile:105)
      	at arm.j(SourceFile:230)
      	at arm.l(SourceFile:327)
      	at aro.a(SourceFile:80)
      	at uk.a(SourceFile:205)
      	at net.minecraft.server.MinecraftServer.b(SourceFile:779)
      	at to.b(SourceFile:337)
      	at net.minecraft.server.MinecraftServer.a(SourceFile:716)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:582)
      	at java.lang.Thread.run(Thread.java:748)
      
      
      A detailed walkthrough of the error, its code path and all known details is as follows:
      ---------------------------------------------------------------------------------------
      
      -- Head --
      Thread: Server thread
      Stacktrace:
      	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442)
      	at java.util.HashMap$KeyIterator.next(HashMap.java:1466)
      	at ui.b(SourceFile:105)
      	at arm.j(SourceFile:230)
      	at arm.l(SourceFile:327)
      	at aro.a(SourceFile:80)
      	at uk.a(SourceFile:205)
      
      -- Affected level --
      Details:
      	Level name: world
      	All players: 2 total; [um['Momibelle'/78, l='world', x=-4440.27, y=66.00, z=-1039.94], um['gameboySAM'/597, l='world', x=-4444.06, y=66.00, z=-1036.17]]
      	Chunk stats: ServerChunkCache: 3546
      	Level seed: 8885681254330917499
      	Level generator: ID 00 - default, ver 1. Features enabled: true
      	Level generator options: {}
      	Level spawn location: World: (-192,65,-144), Chunk: (at 0,4,0 in -12,-9; contains blocks -192,0,-144 to -177,255,-129), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
      	Level time: 76738824 game time, 34119699 day time
      	Level dimension: 0
      	Level storage version: 0x04ABD - Anvil
      	Level weather: Rain time: 1 (now: false), thunder time: 1 (now: false)
      	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
      Stacktrace:
      	at net.minecraft.server.MinecraftServer.b(SourceFile:779)
      	at to.b(SourceFile:337)
      	at net.minecraft.server.MinecraftServer.a(SourceFile:716)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:582)
      	at java.lang.Thread.run(Thread.java:748)
      
      -- System Details --
      Details:
      	Minecraft Version: 18w49a
      	Operating System: Linux (amd64) version 4.4.0-96-generic
      	Java Version: 1.8.0_191, Oracle Corporation
      	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
      	Memory: 4319215312 bytes (4119 MB) / 6372196352 bytes (6077 MB) up to 6372196352 bytes (6077 MB)
      	JVM Flags: 2 total; -Xmx6144M -Xms6144M
      	Player Count: 2 / 120; [um['Momibelle'/78, l='world', x=-4440.27, y=66.00, z=-1039.94], um['gameboySAM'/597, l='world', x=-4444.06, y=66.00, z=-1036.17]]
      	Data Packs: vanilla
      	Is Modded: Unknown (can't tell)
      	Type: Dedicated Server (map_server.txt)
      

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              • Assignee:
                cojomax99 [Mojang] Cory Scheviak
                Reporter:
                Momibelle Anna Belluz
              • Votes:
                7 Vote for this issue
                Watchers:
                7 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: