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  1. Minecraft: Java Edition
  2. MC-155345

ConcurrentModificationException when a player leaves an active raid

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    • Confirmation Status:
      Community Consensus
    • Category:
      Crash
    • Mojang Priority:
      Important

      Description

      Exception that causes the server to crash.

      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 java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1042)
      	at axf.y(SourceFile:259)
      	at axf.o(SourceFile:389)
      	at axh.a(SourceFile:72)
      	at vi.a(SourceFile:325)
      	at net.minecraft.server.MinecraftServer.b(SourceFile:824)
      	at ui.b(SourceFile:343)
      	at net.minecraft.server.MinecraftServer.a(SourceFile:763)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:631)
      	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 java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1042)
      	at axf.y(SourceFile:259)
      	at axf.o(SourceFile:389)
      	at axh.a(SourceFile:72)
      	at vi.a(SourceFile:325)
      
      -- Affected level --
      Details:
      	All players: 3 total; [vj['_toto128'/1745276, l='world', x=2868.05, y=80.80, z=-3932.27], vj['Ketcuz'/1815250, l='world', x=2804.96, y=77.00, z=-3841.55], vj['WinkBlue'/1672178, l='world', x=2877.93, y=79.00, z=-3933.09]]
      	Chunk stats: ServerChunkCache: 4435
      	Level dimension: minecraft:overworld
      	Level name: world
      	Level seed: -6615885059026489375
      	Level generator: ID 00 - default, ver 1. Features enabled: true
      	Level generator options: {}
      	Level spawn location: World: (0,69,0), Chunk: (at 0,4,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
      	Level time: 96757759 game time, 26049762 day time
      	Level storage version: 0x04ABD - Anvil
      	Level weather: Rain time: 120214 (now: false), thunder time: 5569 (now: true)
      	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
      Stacktrace:
      	at net.minecraft.server.MinecraftServer.b(SourceFile:824)
      	at ui.b(SourceFile:343)
      	at net.minecraft.server.MinecraftServer.a(SourceFile:763)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:631)
      	at java.lang.Thread.run(Thread.java:748)
      

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              • Assignee:
                Excited [Mojang] Maria Lemón
                Reporter:
                MrReacher Jack Reacher
              • Votes:
                3 Vote for this issue
                Watchers:
                5 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: