at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Unknown Source)
at net.minecraft.server.MinecraftServer.t(SourceFile:570)
at net.minecraft.client.Minecraft.a(SourceFile:1377)
at axo.e(SourceFile:166)
at axo.a(SourceFile:131)
at axl.a(SourceFile:72)
at axl.d(SourceFile:127)
at axl.m(SourceFile:111)

– Affected screen –
Details:
Screen name: bjz
Stacktrace:
at net.minecraft.client.Minecraft.l(SourceFile:1076)
at net.minecraft.client.Minecraft.K(SourceFile:572)
at net.minecraft.client.Minecraft.run(SourceFile:524)
at java.lang.Thread.run(Unknown Source)

– System Details –
Details:
Minecraft Version: 1.5
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_17, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 393845952 bytes (375 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
LWJGL: 2.4.2
OpenGL: Intel(R) HD Graphics GL version 3.1.0 - Build 8.15.10.2696, Intel
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~_ERROR~ NullPointerException: null