minecraft has crashed

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Ticking memory connection

A full error report has been saved to C:\Users\142343\AppData\Roaming\.minecraft\crash-reports\crash-2013-03-01_10.05.28-server.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash 😞

— BEGIN ERROR REPORT 6f98e38b --------
Full report at:
C:\Users\142343\AppData\Roaming\.minecraft\crash-reports\crash-2013-03-01_10.05.28-server.txt
Please show that file to Mojang, NOT just this screen!

Generated 3/1/13 10:05 AM

– System Details –
Details:
Minecraft Version: 1.4.7
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_06, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 210624656 bytes (200 MB) / 555098112 bytes (529 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 409 (22904 bytes; 0 MB) allocated, 178 (9968 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
Profiler Position: N/A (disabled)
Vec3 Pool Size: 77 (4312 bytes; 0 MB) allocated, 53 (2968 bytes; 0 MB) used
Player Count: 1 / 8; [iq['bearsfan1005'/291303, l='Wrath of the Fallen by Hypixel (Update 7)', x=212.25, y=191.00, z=-1149.73]]
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.

java.lang.NullPointerException
at ur.f(SourceFile:129)
at ur.h(SourceFile:143)
at qw.a(SourceFile:219)
at px.c_(SourceFile:189)
at qx.r(SourceFile:388)
at qx.c(SourceFile:380)
at md.j_(SourceFile:540)
at qx.j_(SourceFile:200)
at iq.g(SourceFile:175)
at iv.a(SourceFile:199)
at eb.a(SourceFile:136)
at cf.b(SourceFile:55)
at iv.d(SourceFile:57)
at iw.b(SourceFile:39)
at bec.b(SourceFile:84)
at net.minecraft.server.MinecraftServer.r(SourceFile:762)
at net.minecraft.server.MinecraftServer.q(SourceFile:679)
at bdz.q(SourceFile:117)
at net.minecraft.server.MinecraftServer.run(SourceFile:613)
at fy.run(SourceFile:849)
— END ERROR REPORT 734f705d ----------