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 ---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 2/23/13 11:07 AM
Description: Ticking memory connection

java.lang.NullPointerException
at xe.e(SourceFile:192)
at ZBI.a(ZBI.java:25)
at ir.b(SourceFile:209)
at ir.a(SourceFile:149)
at iv.a(NetServerHandler.java:428)
at ei.a(SourceFile:46)
at cf.b(SourceFile:55)
at iv.d(NetServerHandler.java:74)
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(IntegratedServer.java:124)
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:
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-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Linux (amd64) version 3.7.3-101.fc17.x86_64
Java Version: 1.7.0_02, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 231037960 bytes (220 MB) / 523829248 bytes (499 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xmx1024M -Xms512M
AABB Pool Size: 1804 (101024 bytes; 0 MB) allocated, 1667 (93352 bytes; 0 MB) used
Suspicious classes: ZMod, Options, ZBGP, ...]
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
ModLoader: Mods loaded: 3
ModLoader 1.4.7
mod_NinjaMod Ninja Mod 1.4.6 By Udjat74
mod_NinjaMod Ninja Mod 1.4.6 By Udjat74

Profiler Position: N/A (disabled)
Vec3 Pool Size: 875 (49000 bytes; 0 MB) allocated, 688 (38528 bytes; 0 MB) used
Player Count: 1 / 8; [iq['TNTftw21'/684, l='Michael's world', x=406.35, y=63.00, z=293.42]]
Type: Integrated Server (map_client.txt)
Is Modded: Very likely; Jar signature invalidated