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  1. Spigot
  2. SPIGOT-4761

[VANILLA] ConcurrentModificationException while ticking world

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Minor Minor
    • None
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    • Linux AMD 8 core CPU

      10gb of ram

       

      Windows 10 60bit

      8gb of ram

      AMD Ryzen 2700x

      https://bugs.mojang.com/browse/MC-148830

      The specific crash seems to have been reported in many scenarios, however, the only way I can encounter it is by using WorldBoarder and attempting to pre-gen a world at 200 frequency,

       

      Install Latest world border and run commands below supplementing <world> with a pre-existing world.

      Setting a 20k by 20k radius using 

       /wb <world> set 10000 10000 0 0

      And starting the fill using 

      /wb <world> fill 200 208

       

      Wait and server should crash and spawn a crash log

       

      The bug was reported to Mojang in pre5 and it still exists so I don't see a patch coming anytime soon.

        1. crash-2019-04-26_00.13.14-server.txt
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