---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 4/7/14 5:12 AM
Description: Ticking memory connection

java.lang.NullPointerException: Ticking memory connection
	at net.minecraft.server.MinecraftServer.a(SourceFile:634)
	at na.a(SourceFile:123)
	at iu.a(SourceFile:137)
	at iv.a(SourceFile:63)
	at ef.a(SourceFile:164)
	at mv.c(SourceFile:134)
	at net.minecraft.server.MinecraftServer.u(SourceFile:528)
	at net.minecraft.server.MinecraftServer.t(SourceFile:440)
	at btk.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 net.minecraft.server.MinecraftServer.a(SourceFile:634)
	at na.a(SourceFile:123)
	at iu.a(SourceFile:137)
	at iv.a(SourceFile:63)
	at ef.a(SourceFile:164)

-- Ticking connection --
Details:
	Connection: ef@50e83abb
Stacktrace:
	at mv.c(SourceFile:134)
	at net.minecraft.server.MinecraftServer.u(SourceFile:528)
	at net.minecraft.server.MinecraftServer.t(SourceFile:440)
	at btk.t(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:357)
	at lb.run(SourceFile:616)

-- System Details --
Details:
	Minecraft Version: 1.7.4
	Operating System: Windows Vista (amd64) version 6.0
	Java Version: 1.6.0_25, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
	Memory: 270361840 bytes (257 MB) / 602669056 bytes (574 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 8988 (503328 bytes; 0 MB) allocated, 8715 (488040 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1767 (98952 bytes; 0 MB) allocated, 1697 (95032 bytes; 0 MB) used
	Player Count: 1 / 8; [mp['novocode'/413, l='Jim's World', x=-201.55, y=65.00, z=6.39]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.