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  1. Minecraft: Java Edition
  2. MC-133498

Null pointer exceptions when creating Debug world (Moving pistons)

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    Details

    • Type: Bug
    • Status: Open
    • Resolution: Unresolved
    • Affects Version/s: Minecraft 1.13-pre8, Minecraft 1.13, Minecraft 18w30a, Minecraft 18w30b, Minecraft 18w31a, Minecraft 18w32a, Minecraft 18w33a, Minecraft 1.13.1-pre1, Minecraft 1.13.1, Minecraft 1.13.2, Minecraft 18w43c, Minecraft 18w48a, Minecraft 18w48b, Minecraft 18w49a, Minecraft 19w07a, Minecraft 19w12b, Minecraft 19w13b, Minecraft 19w14a, Minecraft 19w14b, Minecraft 1.14.3
    • Fix Version/s: None
    • Labels:
      None
    • Confirmation Status:
      Confirmed
    • Category:
      (Unassigned)

      Description

      When creating a new Debug world, the log gets several Null pointer exceptions. The log also generates a number of warnings relating to Moving Pistons.

      To reproduce, create a fresh Debug world. The errors will appear in the log.

      7:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=north,type=normal] but failed at location ej{x=23, y=70, z=153}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=east,type=normal] but failed at location ej{x=23, y=70, z=157}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=north,type=sticky] but failed at location ej{x=23, y=70, z=155}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=east,type=sticky] but failed at location ej{x=23, y=70, z=159}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=down,type=sticky] but failed at location ej{x=23, y=70, z=175}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=south,type=normal] but failed at location ej{x=23, y=70, z=161}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=west,type=normal] but failed at location ej{x=23, y=70, z=165}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=south,type=sticky] but failed at location ej{x=23, y=70, z=163}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=up,type=normal] but failed at location ej{x=23, y=70, z=169}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=west,type=sticky] but failed at location ej{x=23, y=70, z=167}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=down,type=normal] but failed at location ej{x=23, y=70, z=173}
      17:59:18	bmx	Server thread	warn	Tried to load a block entity for block Block{minecraft:moving_piston}[facing=up,type=sticky] but failed at location ej{x=23, y=70, z=171}
      

      followed by 12 of these:

      17:59:18	bnj	Server thread	error	Failed to save chunk
      java.lang.NullPointerException
      	at he.a(SourceFile:93)
      	at bnj.a(SourceFile:347)
      	at bnj.a(SourceFile:224)
      	at tw.a(SourceFile:96)
      	at tw$$Lambda$1610/292907655.accept(Unknown Source)
      	at java.lang.Iterable.forEach(Iterable.java:75)
      	at tw.a(SourceFile:91)
      	at tb.d(SourceFile:282)
      	at tc.i_(SourceFile:200)
      	at net.minecraft.server.MinecraftServer.w(SourceFile:690)
      	at net.minecraft.server.MinecraftServer.v(SourceFile:623)
      	at dft.v(SourceFile:157)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:526)
      	at java.lang.Thread.run(Thread.java:745)
      

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            • Assignee:
              Unassigned
              Reporter:
              bdm68 bdm68
            • Votes:
              5 Vote for this issue
              Watchers:
              4 Start watching this issue

              Dates

              • Created:
                Updated:
                CHK: