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  1. Minecraft: Java Edition
  2. MC-180257

Crash when setting LodestonePos of compass to something other than NBT compound


    • Icon: Bug Bug
    • Resolution: Fixed
    • 20w21a
    • 20w17a, 20w18a, 20w19a, 20w20a, 20w20b
    • None
    • Confirmed
    • Crash
    • Very Important

      The bug

      The game crashes when changing or creating a compass item with a LodestonePos having a value other than an NBT compound tag.

      Description: Ticking player
      java.lang.ClassCastException: lp cannot be cast to la
      	at bhr.a(SourceFile:144)
      	at bje.a(SourceFile:454)
      	at bcw.j(SourceFile:290)
      	at bcx.l(SourceFile:575)
      	at anz.h(SourceFile:2217)
      	at bcx.h(SourceFile:274)
      	at ys.i(SourceFile:411)
      	at zj.b(SourceFile:199)
      	at ma.a(SourceFile:234)
      	at zi.c(SourceFile:171)
      	at net.minecraft.server.MinecraftServer.b(SourceFile:839)
      	at net.minecraft.server.MinecraftServer.a(SourceFile:766)
      	at enn.a(SourceFile:89)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:625)
      	at java.lang.Thread.run(Thread.java:745)

      How to reproduce

      Do this in a test world

      /give @s compass{LodestoneDimension:"minecraft:overworld",LodestonePos:"This is not an NBT compound"}

      The game freezes and you will see in the log file that it has crashed

            mgatland [Mojang] Matthew Gatland
            Ning1253 Amos Lastmann
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            4 Start watching this issue