crash-report

---- Minecraft Crash Report ----
// My bad.

Time: 9/29/13 10:51 AM
Description: Exception in server tick loop

java.lang.OutOfMemoryError: GC overhead limit exceeded


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
	Minecraft Version: 1.6.4
	Operating System: Linux (amd64) version 3.2.13-grsec-xxxx-grs-ipv6-64
	Java Version: 1.7.0_21, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 89495496 bytes (85 MB) / 715849728 bytes (682 MB) up to 715849728 bytes (682 MB)
	JVM Flags: 2 total; -Xmx768M -Xms256M
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: ~~ERROR~~ OutOfMemoryError: GC overhead limit exceeded
	IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
	CraftBukkit Information: ~~ERROR~~ OutOfMemoryError: GC overhead limit exceeded
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
	Player Count: 0 / 24; []
	Is Modded: Definitely; Server brand changed to 'craftbukkit'
	Type: Dedicated Server (map_server.txt)