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  1. Minecraft: Java Edition
  2. MC-183779

NPE Bootstrap Exception 20w19a -> 20w20a


    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • 20w20a
    • None
    • Ubuntu 20.04 x64
    • Unconfirmed
    • (Unassigned)

      Upgrading a 20w19a server to 20w20a, the following exception occurs:

      [16:29:51] [main/ERROR]: Unable to bootstrap registry 'minecraft:entity_type'
      [16:29:51] [main/ERROR]: Unable to bootstrap registry 'minecraft:feature'
      Exception in thread "main" java.lang.ExceptionInInitializerError
      	at gl.H(SourceFile:94)
      	at gl.a(SourceFile:132)
      	at java.base/java.util.LinkedHashMap$LinkedEntrySet.forEach(LinkedHashMap.java:671)
      	at gl.<clinit>(SourceFile:131)
      	at aoc.a(SourceFile:144)
      	at aoc.<clinit>(SourceFile:150)
      	at ckx.<clinit>(SourceFile:23)
      	at cka.<clinit>(SourceFile:64)
      	at cqg.<clinit>(SourceFile:77)
      	at cif.<clinit>(SourceFile:64)
      	at net.minecraft.server.MinecraftServer.<clinit>(SourceFile:179)
      Caused by: java.lang.NullPointerException
      	at bsh.<init>(SourceFile:44)
      	at bqk.<clinit>(SourceFile:9)
      	... 11 more

      Downgrading the server to 20w19a fixes the issue. I'd happily provide the map or additional debug information if needed.

            Unassigned Unassigned
            tresf Tres Finocchiaro
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