Minecraft Forums

I would be very grateful if somebody could offer some help. One of our worlds crashed today. To my knowledge we have no mods. Other worlds work, it is just this one which belongs to my child who is very proud of it that refuses to work. Here's the info:


---- Minecraft Crash Report ----
// Ouch. That hurt

Time: 10.1.13. 20.36
Description: Exception in server tick loop

java.lang.NullPointerException
at cf.b(SourceFile:103)
at cf.a(SourceFile:35)
at iv.b(SourceFile:436)
at gm.a(SourceFile:72)
at bec.b(SourceFile:73)
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)


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

-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_09, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 360236880 bytes (343 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 57492 (3219552 bytes; 3 MB) allocated, 57492 (3219552 bytes; 3 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
Profiler Position: N/A (disabled)
Vec3 Pool Size: 30344 (1699264 bytes; 1 MB) allocated, 30344 (1699264 bytes; 1 MB) used
Player Count: 0 / 8; []
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.