Hopper: java.lang.OutOfMemoryError: Java heap space

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-772420/

Crash:

java.lang.OutOfMemoryError: Java heap space
java.lang.OutOfMemoryError: Java heap space

The following is the first clean report made public about this crash:

---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 05/12/13 16.01
Description: Ticking entity

java.lang.OutOfMemoryError: Java heap space
	at go.a(SourceFile:191)
	at gq.<init>(SourceFile:44)
	at mp.h(SourceFile:186)
	at afr.a(SourceFile:1368)
	at mm.a(SourceFile:480)
	at afr.g(SourceFile:1346)
	at afr.h(SourceFile:1253)
	at mm.h(SourceFile:365)
	at net.minecraft.server.MinecraftServer.u(SourceFile:510)
	at net.minecraft.server.MinecraftServer.t(SourceFile:440)
	at bti.t(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:357)
	at lb.run(SourceFile:616)


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

-- Head --
Stacktrace:
	at go.a(SourceFile:191)
	at gq.<init>(SourceFile:44)
	at mp.h(SourceFile:186)
	at afr.a(SourceFile:1368)
	at mm.a(SourceFile:480)
	at afr.g(SourceFile:1346)

-- Entity being ticked --
Details:
	Entity Type: null (mp)
	Entity ID: 1142205
	Entity Name: BleakCube
	Entity's Exact location: -43,50, 237,11, 57,16
	Entity's Block location: World: (-44,237,57), Chunk: (at 4,14,9 in -3,3; contains blocks -48,0,48 to -33,255,63), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Entity's Momentum: 0,00, 0,00, 0,00
Stacktrace:
	at afr.h(SourceFile:1253)
	at mm.h(SourceFile:365)

-- Affected level --
Details:
	Level name: test world
	All players: 1 total; [mp['BleakCube'/1142205, l='test world', x=-43,50, y=237,11, z=57,16]]
	Chunk stats: ServerChunkCache: 1103 Drop: 0
	Level seed: -8946007961572200224
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: 2;7,230x1,5x3,2;3;stronghold,biome_1,decoration,dungeon,mineshaft
	Level spawn location: World: (0,4,0), Chunk: (at 0,0,0 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: 86849 game time, 86849 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 7224 (now: true), thunder time: 79229 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.u(SourceFile:510)
	at net.minecraft.server.MinecraftServer.t(SourceFile:440)
	at bti.t(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:357)
	at lb.run(SourceFile:616)

-- System Details --
Details:
	Minecraft Version: 13w49a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_05, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 11488776 bytes (10 MB) / 726990848 bytes (693 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 2136 (119616 bytes; 0 MB) allocated, 1885 (105560 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 249 (13944 bytes; 0 MB) allocated, 218 (12208 bytes; 0 MB) used
	Player Count: 1 / 8; [mp['BleakCube'/1142205, l='test world', x=-43,50, y=237,11, z=57,16]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-772420/35830880/