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  1. Minecraft: Java Edition
  2. MC-132242

Upgrading enderman spawn egg causes chunk to regenerate


    • Icon: Bug Bug
    • Resolution: Fixed
    • Minecraft 1.13-pre6
    • Minecraft 1.13-pre4, Minecraft 1.13-pre5
    • Windows 10
      Nvidia GeForce GTX 1050ti GPU
    • Confirmed

      The bug

      Enderman spawn eggs in the form of an item entity or in an item frame will cause the chunk its in to regenerate when upgrading from 1.12.2. Enderman spawn eggs in containers such as chests are not affected. Other spawn eggs also do not cause this issue.

      This issue is not world specific, but a world from 1.12.2 is provided: MC-132242.zip


      Partially omitted due to length

      1.13-pre5: launcher_log.txt
      [0630/195720:INFO:GameCallbacks.cpp(188)] game/com.mojang.datafixers.DataFixerUpper (Server thread) error Something went wrong upgrading!
      java.lang.IllegalStateException: Named type name doesn't match: expected: block_name, got: block_state
      	at com.mojang.datafixers.types.templates.Named$NamedType.write(Named.java:146)
      	at com.mojang.datafixers.DataFixerUpper.update(DataFixerUpper.java:78)
      	at hj.a(SourceFile:493)
      	at bmt.b(SourceFile:98)
      	at bmt.a(SourceFile:84)
      	at bmt.a(SourceFile:120)
      	at sw.g(SourceFile:92)
      	at sw.b(SourceFile:114)
      	at sw.a(SourceFile:150)
      	at net.minecraft.server.MinecraftServer.g_(SourceFile:385)
      	at dej.a(SourceFile:116)
      	at dej.d(SourceFile:132)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:505)
      	at java.lang.Thread.run(Thread.java:745)
      [0630/195720:INFO:GameCallbacks.cpp(188)] game/bmt (Server thread) error Chunk file at 15,14 is missing level data, skipping

        1. launcher_log.txt
          3.11 MB
        2. MC-132242.zip
          1.90 MB

            fry [Mojang] Georgii Gavrichev
            brickticks Matthew James Riley
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