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  1. Minecraft: Java Edition
  2. MC-64662

java.lang.NullPointerException: Ticking entity (Entity Type: Zombie)

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: Minecraft 14w31a
    • Fix Version/s: Minecraft 1.8-pre2
    • Labels:
      None
    • Environment:
    • Confirmation Status:
      Community Consensus
    • Game Mode:
      Survival

      Description

      Playing from Mac OS X client on my world running on a server box on my local network. The server is running Linux (see Environment above). I started to attack a zombie when I noticed that everything stopped moving and the animal sounds stopped. I disconnected and tried to reconnect but only got timeout errors. I connected to the Minecraft server via ssh and used my control script to stop and start the server again. After that the connection would be refused. The first error is listed in the summary of this issue. 60 seconds later, the server logged another error of type java.lang.Thread.sleep(Native Method). I have attached both crash reports.

      First crash:

      java.lang.NullPointerException: Ticking entity
      	at bou.a(SourceFile:77)
      	at bou.a(SourceFile:65)
      	at boy.a(SourceFile:77)
      	at boy.a(SourceFile:37)
      	at boy.a(SourceFile:27)
      	at aay.a(SourceFile:71)
      	at zl.a(SourceFile:57)
      	at zb.a(SourceFile:72)
      	at xl.bE(SourceFile:446)
      	at xk.l(SourceFile:1430)
      	at xl.l(SourceFile:316)
      	at afc.l(SourceFile:39)
      	at afz.l(SourceFile:203)
      	at xk.j(SourceFile:1298)
      	at xl.j(SourceFile:194)
      	at afc.j(SourceFile:44)
      	at afz.j(SourceFile:259)
      	at aqh.a(SourceFile:1410)
      	at qo.a(SourceFile:601)
      	at aqh.g(SourceFile:1388)
      	at aqh.i(SourceFile:1281)
      	at qo.i(SourceFile:479)
      	at net.minecraft.server.MinecraftServer.y(SourceFile:606)
      	at pk.y(SourceFile:303)
      	at net.minecraft.server.MinecraftServer.x(SourceFile:530)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:446)
      	at java.lang.Thread.run(Thread.java:745)
      

      First crash detail:

      ---- Minecraft Crash Report ----
      // Daisy, daisy...
      
      Time: 7/30/14 11:09 PM
      Description: Ticking entity
      
      java.lang.NullPointerException: Ticking entity
      	at bou.a(SourceFile:77)
      	at bou.a(SourceFile:65)
      	at boy.a(SourceFile:77)
      	at boy.a(SourceFile:37)
      	at boy.a(SourceFile:27)
      	at aay.a(SourceFile:71)
      	at zl.a(SourceFile:57)
      	at zb.a(SourceFile:72)
      	at xl.bE(SourceFile:446)
      	at xk.l(SourceFile:1430)
      	at xl.l(SourceFile:316)
      	at afc.l(SourceFile:39)
      	at afz.l(SourceFile:203)
      	at xk.j(SourceFile:1298)
      	at xl.j(SourceFile:194)
      	at afc.j(SourceFile:44)
      	at afz.j(SourceFile:259)
      	at aqh.a(SourceFile:1410)
      	at qo.a(SourceFile:601)
      	at aqh.g(SourceFile:1388)
      	at aqh.i(SourceFile:1281)
      	at qo.i(SourceFile:479)
      	at net.minecraft.server.MinecraftServer.y(SourceFile:606)
      	at pk.y(SourceFile:303)
      	at net.minecraft.server.MinecraftServer.x(SourceFile:530)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:446)
      	at java.lang.Thread.run(Thread.java:745)
      
      
      A detailed walkthrough of the error, its code path and all known details is as follows:
      ---------------------------------------------------------------------------------------
      
      -- Head --
      Stacktrace:
      	at bou.a(SourceFile:77)
      	at bou.a(SourceFile:65)
      	at boy.a(SourceFile:77)
      	at boy.a(SourceFile:37)
      	at boy.a(SourceFile:27)
      	at aay.a(SourceFile:71)
      	at zl.a(SourceFile:57)
      	at zb.a(SourceFile:72)
      	at xl.bE(SourceFile:446)
      	at xk.l(SourceFile:1430)
      	at xl.l(SourceFile:316)
      	at afc.l(SourceFile:39)
      	at afz.l(SourceFile:203)
      	at xk.j(SourceFile:1298)
      	at xl.j(SourceFile:194)
      	at afc.j(SourceFile:44)
      	at afz.j(SourceFile:259)
      	at aqh.a(SourceFile:1410)
      	at qo.a(SourceFile:601)
      	at aqh.g(SourceFile:1388)
      
      -- Entity being ticked --
      Details:
      	Entity Type: Zombie (afz)
      	Entity ID: 268763
      	Entity Name: Zombie
      	Entity's Exact location: 123.50, 63.00, 1534.22
      	Entity's Block location: 123.00,63.00,1534.00 - World: (123,63,1534), Chunk: (at 11,3,14 in 7,95; contains blocks 112,0,1520 to 127,255,1535), Region: (0,2; contains chunks 0,64 to 31,95, blocks 0,0,1024 to 511,255,1535)
      	Entity's Momentum: -0.31, 0.36, -0.25
      	Entity's Rider: ~~ERROR~~ NullPointerException: null
      	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
      Stacktrace:
      	at aqh.i(SourceFile:1281)
      	at qo.i(SourceFile:479)
      
      -- Affected level --
      Details:
      	Level name: Furya
      	All players: 1 total; [qr['danielmcq'/163, l='Furya', x=125.01, y=63.00, z=1535.46]]
      	Chunk stats: ServerChunkCache: 1592 Drop: 0
      	Level seed: 973714163
      	Level generator: ID 00 - default, ver 1. Features enabled: true
      	Level generator options: 
      	Level spawn location: 8.00,64.00,-28.00 - World: (8,64,-28), Chunk: (at 8,4,4 in 0,-2; contains blocks 0,0,-32 to 15,255,-17), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
      	Level time: 174777729 game time, 5826720 day time
      	Level dimension: 0
      	Level storage version: 0x04ABD - Anvil
      	Level weather: Rain time: 4581 (now: true), thunder time: 99128 (now: false)
      	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
      Stacktrace:
      	at net.minecraft.server.MinecraftServer.y(SourceFile:606)
      	at pk.y(SourceFile:303)
      	at net.minecraft.server.MinecraftServer.x(SourceFile:530)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:446)
      	at java.lang.Thread.run(Thread.java:745)
      
      -- System Details --
      Details:
      	Minecraft Version: 14w31a
      	Operating System: Linux (amd64) version 3.2.0-4-amd64
      	Java Version: 1.7.0_65, Oracle Corporation
      	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
      	Memory: 880212888 bytes (839 MB) / 1215299584 bytes (1159 MB) up to 1431830528 bytes (1365 MB)
      	JVM Flags: 2 total; -Xmx1536M -Xms1024M
      	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
      	Profiler Position: N/A (disabled)
      	Player Count: 1 / 5; [qr['danielmcq'/163, l='Furya', x=125.01, y=63.00, z=1535.46]]
      	Is Modded: Unknown (can't tell)
      	Type: Dedicated Server (map_server.txt)
      

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              • Assignee:
                Unassigned
                Reporter:
                danielmcq Daniel McQ
              • Votes:
                3 Vote for this issue
                Watchers:
                2 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: