Hopper: java.lang.OutOfMemoryError: GC overhead limit exceeded

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-191466/

Crash:

java.lang.OutOfMemoryError: GC overhead limit exceeded
java.lang.OutOfMemoryError: GC overhead limit exceeded

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

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 20/09/13 01:01 م
Description: Exception generating new chunk

java.lang.OutOfMemoryError: GC overhead limit exceeded
	at adp.<init>(SourceFile:9)
	at ads.<init>(SourceFile:24)
	at aeo.d(SourceFile:77)
	at jr.c(SourceFile:84)
	at jq.<init>(SourceFile:29)
	at jp.a(SourceFile:208)
	at jp.d(SourceFile:337)
	at hn.d(SourceFile:197)
	at ka.a(SourceFile:267)
	at eu.a(SourceFile:136)
	at cn.b(SourceFile:64)
	at ka.e(SourceFile:60)
	at kd.b(SourceFile:37)
	at blc.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.t(SourceFile:489)
	at net.minecraft.server.MinecraftServer.s(SourceFile:406)
	at bkz.s(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:340)
	at hi.run(SourceFile:583)


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

-- Head --
Stacktrace:
	at adp.<init>(SourceFile:9)
	at ads.<init>(SourceFile:24)
	at aeo.d(SourceFile:77)

-- Chunk to be generated --
Details:
	Location: 249,18
	Position hash: 77309411577
	Generator: FlatLevelSource
Stacktrace:
	at jr.c(SourceFile:84)
	at jq.<init>(SourceFile:29)
	at jp.a(SourceFile:208)
	at jp.d(SourceFile:337)
	at hn.d(SourceFile:197)
	at ka.a(SourceFile:267)
	at eu.a(SourceFile:136)
	at cn.b(SourceFile:64)
	at ka.e(SourceFile:60)

-- Ticking connection --
Details:
	Connection: ka@74acfbb
Stacktrace:
	at kd.b(SourceFile:37)
	at blc.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.t(SourceFile:489)
	at net.minecraft.server.MinecraftServer.s(SourceFile:406)
	at bkz.s(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:340)
	at hi.run(SourceFile:583)

-- System Details --
Details:
	Minecraft Version: 1.6.4
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 120485960 bytes (114 MB) / 954466304 bytes (910 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 662 (37072 bytes; 0 MB) allocated, 580 (32480 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 26 (1456 bytes; 0 MB) allocated, 25 (1400 bytes; 0 MB) used
	Player Count: 1 / 8; [jv['altair72z'/0, l='New World', x=3825.19, y=1.00, z=305.62]]
	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-191466/12551423/