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  1. Minecraft: Java Edition
  2. MC-165448

Wither skeletons' pathfinding is broken when their NBT is updated every tick

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    Details

    • Type: Bug
    • Status: Open
    • Resolution: Unresolved
    • Affects Version/s: 1.14.4, 1.15.1, 1.16.1, 20w29a, 1.16.2 Release Candidate 1, 20w51a, 1.16.5, 21w07a, 21w08b
    • Fix Version/s: None
    • Labels:
      None
    • Confirmation Status:
      Confirmed
    • Category:
      Mob behaviour

      Description

      The bug

      Originally I had a data pack but I narrowed down to 3 commands with 2 being ran every tick.

      First command:
      scoreboard objectives add Health dummy

      Repeating command block:
      execute as @e[type=minecraft:wither_skeleton,sort=nearest] store result score @s Health run data get entity @s Health 1

      Chain command block attached to the repeating one:
      execute as @e[type=minecraft:wither_skeleton,sort=nearest] store result entity @s Health float 1 run scoreboard players get @s Health

      The Wither Skeleton stops being able to get to the survival mode player when those 2 commands are active.
      This didn't effect Zombies.
      I didn't try other mobs.

      I asked people to confirm that this is not only happening on my Windows 10 PC.
      And it appears to be a bug in the code instead of my installation.

      How to reproduce

      1. Enter the following command into a powered, repeating command block:
        data merge entity @e[type=wither_skeleton,limit=1,sort=nearest] {Test:0}
      2. Spawn a wither skeleton:
        /summon wither_skeleton
      3. Switch to survival mode:
        /gamemode survival

        The wither skeleton has trouble pathfinding to you

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              Assignee:
              Unassigned Unassigned
              Reporter:
              GreatMCGamer Benjaming Ivanka Bloigu
              Votes:
              6 Vote for this issue
              Watchers:
              6 Start watching this issue

                Dates

                Created:
                Updated:
                CHK: