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MC-144481

java.lang.NullPointerException: Ticking entity when joined the world

Step to reproduce :
When you spawn some entity like horses or placing painting in the map, Sometimes the painting acts invisible and cannot be killed using /kill command, also horses become invisible and make the game crash when joined the world.

19w08a\: [^crash-2019-02-21_00.54.06-server.txt]

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 2/21/19 12:54 AM
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
	at ahv.a(SourceFile:1049)
	at ahv.dC(SourceFile:1038)
	at aib.dC(SourceFile:35)
	at ahv.h(SourceFile:289)
	at anv.h(SourceFile:572)
	at anx.h(SourceFile:205)
	at uv.a(SourceFile:565)
	at bde.a(SourceFile:683)
	at uv.a(SourceFile:368)
	at net.minecraft.server.MinecraftServer.b(SourceFile:837)
	at net.minecraft.server.MinecraftServer.a(SourceFile:776)
	at dtc.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:634)
	at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Server thread
Stacktrace:
	at ahv.a(SourceFile:1049)
	at ahv.dC(SourceFile:1038)
	at aib.dC(SourceFile:35)
	at ahv.h(SourceFile:289)
	at anv.h(SourceFile:572)
	at anx.h(SourceFile:205)
	at uv.a(SourceFile:565)

-- Entity being ticked --
Details:
	Entity Type: minecraft:horse (anx)
	Entity ID: 5
	Entity Name: Horse
	Entity's Exact location: -206.75, 64.00, 99.15
	Entity's Block location: World: (-207,64,99), Chunk: (at 1,4,3 in -13,6; contains blocks -208,0,96 to -193,255,111), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Entity's Momentum: 0.09, -0.08, 0.08
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at bde.a(SourceFile:683)
	at uv.a(SourceFile:368)

-- Affected level --
Details:
	Level name: Command Block 2018
	All players: 1 total; [uw['SteveKunG'/1, l='Command Block 2018', x=-202.27, y=64.00, z=51.54]]
	Chunk stats: ServerChunkCache: 2290
	Level seed: 8139228508504941324
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: {biome:"minecraft:jungle",layers:[{block:"minecraft:bedrock",height:1},{block:"minecraft:sandstone",height:63}],structures:{}}
	Level spawn location: World: (0,64,0), Chunk: (at 0,4,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 6338296 game time, 6000 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:837)
	at net.minecraft.server.MinecraftServer.a(SourceFile:776)
	at dtc.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:634)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 19w08a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_202, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1617502144 bytes (1542 MB) / 2550136832 bytes (2432 MB) up to 3221225472 bytes (3072 MB)
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	Player Count: 1 / 8; [uw['SteveKunG'/1, l='Command Block 2018', x=-202.27, y=64.00, z=51.54]]
	Data Packs: vanilla, file/cmd, file/advanced_crafting_table_v2.0, file/portable_beacon_v2.0
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.

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SteveKunG

(Unassigned)

Unconfirmed

Minecraft 19w08a, Minecraft 19w08b

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