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  1. Minecraft: Java Edition
  2. MC-192378

Certain mobs cause log error spam in Mob Spawners

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Duplicate
    • Affects Version/s: 1.16.1
    • Fix Version/s: None
    • Labels:
      None
    • Confirmation Status:
      Unconfirmed
    • Category:
      (Unassigned)

      Description

      This is a re-report of MC-192362 after I was able to confirm the issue on a clean new vanilla install. No mods, default options, and new world.

      Steps to reproduce:
      1. Give yourself a mod spawner ( /give @p minecraft:spawner )
      2. Place it and right-click the spawner with an enderman spawn egg

      Expected result:
      The spawner should display a small enderman rotating inside of it.

      Actual Result:
      The mob inside the spawner became invisible and errors like below began printing to the log repeatedly (full log attached).

      [21:27:35] [Render thread/WARN]: Exception loading entity: 
      s: Loading entity NBT
      	at aom.f(SourceFile:1645) ~[1.16.1.jar:?]
      	at aoq.a(SourceFile:468) ~[1.16.1.jar:?]
      	at aoq$$Lambda$4119/615184896.accept(Unknown Source) ~[?:?]
      	at v.a(SourceFile:401) ~[1.16.1.jar:?]
      	at aoq.a(SourceFile:467) ~[1.16.1.jar:?]
      	at aoq.b(SourceFile:530) [1.16.1.jar:?]
      	at aoq.a(SourceFile:511) [1.16.1.jar:?]
      	at bpd.d(SourceFile:256) [1.16.1.jar:?]
      	at eei.a(SourceFile:22) [1.16.1.jar:?]
      	at eei.a(SourceFile:12) [1.16.1.jar:?]
      	at edw.a(SourceFile:107) [1.16.1.jar:?]
      	at edw.b(SourceFile:96) [1.16.1.jar:?]
      	at edw$$Lambda$4829/1124075978.run(Unknown Source) [1.16.1.jar:?]
      	at edw.a(SourceFile:128) [1.16.1.jar:?]
      	at edw.a(SourceFile:96) [1.16.1.jar:?]
      	at ebx.a(SourceFile:1240) [1.16.1.jar:?]
      	at ebs.a(SourceFile:717) [1.16.1.jar:?]
      	at ebs.a(SourceFile:540) [1.16.1.jar:?]
      	at dlx.e(SourceFile:1021) [1.16.1.jar:?]
      	at dlx.e(SourceFile:654) [1.16.1.jar:?]
      	at net.minecraft.client.main.Main.main(SourceFile:215) [1.16.1.jar:?]
      Caused by: java.lang.ClassCastException: dym cannot be cast to zd
      	at bbr.a(SourceFile:214) ~[1.16.1.jar:?]
      	at aom.f(SourceFile:1636) ~[1.16.1.jar:?]
      	... 20 more
      

      MC-192362 has a detail analysis of the cause in code, using yarn names*

      • Due to issues with Microsoft licensing, it's uncertain on whether we are legally permitted to use mojang names in this context.

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              Assignee:
              Unassigned Unassigned
              Reporter:
              awr_* Sollace
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                Dates

                Created:
                Updated:
                Resolved: