---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 8/20/14 10:28 PM
Description: Executing command block

java.lang.NullPointerException: Executing command block
	at java.util.Collections.addAll(Collections.java:3526)
	at ah.a(SourceFile:149)
	at ah.b(SourceFile:118)
	at ab.a(SourceFile:49)
	at aqc.a(SourceFile:98)
	at aul.b(SourceFile:53)
	at qt.a(SourceFile:527)
	at qt.c(SourceFile:199)
	at net.minecraft.server.MinecraftServer.z(SourceFile:599)
	at net.minecraft.server.MinecraftServer.y(SourceFile:531)
	at cyd.y(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:447)
	at java.lang.Thread.run(Thread.java:695)


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

-- Head --
Stacktrace:
	at java.util.Collections.addAll(Collections.java:3526)
	at ah.a(SourceFile:149)
	at ah.b(SourceFile:118)
	at ab.a(SourceFile:49)

-- Command to be executed --
Details:
	Command: /replaceitem entity @a[score_clock=0] slot.container.4 cooked_porkchop 5
	Name: @
Stacktrace:
	at aqc.a(SourceFile:98)
	at aul.b(SourceFile:53)

-- Block being ticked --
Details:
	Block: minecraft:command_block[triggered=true]
	Block location: World: (371,253,-101), Chunk: (at 3,15,11 in 23,-7; contains blocks 368,0,-112 to 383,255,-97), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Stacktrace:
	at qt.a(SourceFile:527)
	at qt.c(SourceFile:199)

-- Affected level --
Details:
	Level name: 8.19.14 World For Server 2.2.4
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 256 Drop: 0
	Level seed: -4904205570458030968
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: 407.00,74.00,-111.00 - World: (407,74,-111), Chunk: (at 7,4,1 in 25,-7; contains blocks 400,0,-112 to 415,255,-97), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 237350 game time, 96441 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 1 (now: false), thunder time: 1 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.z(SourceFile:599)
	at net.minecraft.server.MinecraftServer.y(SourceFile:531)
	at cyd.y(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:447)
	at java.lang.Thread.run(Thread.java:695)

-- System Details --
Details:
	Minecraft Version: 14w34d
	Operating System: Mac OS X (x86_64) version 10.9.4
	Java Version: 1.6.0_65, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 676102256 bytes (644 MB) / 911310848 bytes (869 MB) up to 1288503296 bytes (1228 MB)
	JVM Flags: 5 total; -Xmx1280M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn512M
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Profiler Position: N/A (disabled)
	Player Count: 0 / 8; []
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.