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  1. Minecraft: Java Edition
  2. MC-177014

NullPointerException on tick advance

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    • Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • None
    • 1.15.2
    • None
    • Unconfirmed
    • (Unassigned)

      I am not sure how to reproduce, as reloading the same world did not reproduce the issue. I'm guessing that the server crashed before it could persist whatever change triggered the issue.

      Here is the stack from the log:

      [23:00:04] [Server thread/ERROR]: Encountered an unexpected exception
      q: Exception ticking world
              at net.minecraft.server.MinecraftServer.b(SourceFile:858) ~[minecraft_server.1.15.2.jar:?]
              at wd.b(SourceFile:347) ~[minecraft_server.1.15.2.jar:?]
              at net.minecraft.server.MinecraftServer.a(SourceFile:793) ~[minecraft_server.1.15.2.jar:?]
              at net.minecraft.server.MinecraftServer.run(SourceFile:655) [minecraft_server.1.15.2.jar:?]
              at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]
      Caused by: java.lang.NullPointerException
              at xb.a(SourceFile:372) ~[minecraft_server.1.15.2.jar:?]
              at it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap$1.forEach(Long2ObjectLinkedOpenHashMap.java:1661) ~[minecraft_server.1.15.2.jar:?]
              at com.google.common.collect.Iterables$UnmodifiableIterable.forEach(Iterables.java:105) ~[minecraft_server.1.15.2.jar:?]
              at xb.o(SourceFile:371) ~[minecraft_server.1.15.2.jar:?]
              at xb.a(SourceFile:340) ~[minecraft_server.1.15.2.jar:?]
              at xd.a(SourceFile:324) ~[minecraft_server.1.15.2.jar:?]
              at net.minecraft.server.MinecraftServer.b(SourceFile:854) ~[minecraft_server.1.15.2.jar:?]
              ... 4 more
      

            Unassigned Unassigned
            adamantsalad adamant salad
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              Created:
              Updated:
              Resolved: