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-703824/

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 ----
// I feel sad now :(

Time: 11/26/13 1:11 PM
Description: Ticking entity

java.lang.OutOfMemoryError: Java heap space
	at java.util.Arrays.copyOf(Arrays.java:2786)
	at sun.misc.IOUtils.readFully(IOUtils.java:43)
	at java.util.jar.JarFile.getBytes(JarFile.java:369)
	at java.util.jar.JarFile.getManifestFromReference(JarFile.java:162)
	at java.util.jar.JarFile.getInputStream(JarFile.java:405)
	at sun.misc.URLClassPath$JarLoader$2.getInputStream(URLClassPath.java:708)
	at sun.misc.Resource.cachedInputStream(Resource.java:61)
	at sun.misc.Resource.getByteBuffer(Resource.java:144)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:256)
	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
	at afr.a(SourceFile:252)
	at afm.a(SourceFile:68)
	at mm.a(SourceFile:669)
	at xw.a(SourceFile:32)
	at xu.h(SourceFile:141)
	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 bth.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 java.util.Arrays.copyOf(Arrays.java:2786)
	at sun.misc.IOUtils.readFully(IOUtils.java:43)
	at java.util.jar.JarFile.getBytes(JarFile.java:369)
	at java.util.jar.JarFile.getManifestFromReference(JarFile.java:162)
	at java.util.jar.JarFile.getInputStream(JarFile.java:405)
	at sun.misc.URLClassPath$JarLoader$2.getInputStream(URLClassPath.java:708)
	at sun.misc.Resource.cachedInputStream(Resource.java:61)
	at sun.misc.Resource.getByteBuffer(Resource.java:144)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:256)
	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
	at afr.a(SourceFile:252)
	at afm.a(SourceFile:68)
	at mm.a(SourceFile:669)
	at xw.a(SourceFile:32)
	at xu.h(SourceFile:141)
	at afr.a(SourceFile:1368)
	at mm.a(SourceFile:480)
	at afr.g(SourceFile:1346)

-- Entity being ticked --
Details:
	Entity Type: Fireball (xw)
	Entity ID: 87233
	Entity Name: Fireball
	Entity's Exact location: 182.51, 237.94, 101.91
	Entity's Block location: World: (182,237,101), Chunk: (at 6,14,5 in 11,6; contains blocks 176,0,96 to 191,255,111), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Entity's Momentum: 0.37, -1.19, 0.84
Stacktrace:
	at afr.h(SourceFile:1253)
	at mm.h(SourceFile:365)

-- Affected level --
Details:
	Level name: destroy!!!!!!
	All players: 1 total; [mp['dragonslayer2358'/98, l='destroy!!!!!!', x=176.34, y=256.37, z=87.72]]
	Chunk stats: ServerChunkCache: 3553 Drop: 0
	Level seed: 5373950106520015024
	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: 32874 game time, 32874 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 116607 (now: false), thunder time: 105423 (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 bth.t(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:357)
	at lb.run(SourceFile:616)

-- System Details --
Details:
	Minecraft Version: 13w48b
	Operating System: Mac OS X (x86_64) version 10.8.5
	Java Version: 1.6.0_65, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 271964704 bytes (259 MB) / 1069416448 bytes (1019 MB) up to 1069416448 bytes (1019 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 31465 (1762040 bytes; 1 MB) allocated, 24647 (1380232 bytes; 1 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 381678 (21373968 bytes; 20 MB) allocated, 2270 (127120 bytes; 0 MB) used
	Player Count: 1 / 8; [mp['dragonslayer2358'/98, l='destroy!!!!!!', x=176.34, y=256.37, z=87.72]]
	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-703824/32507267/