Problem Nether Portal - Ticking Entity Crash (Maybe Mystcraft?)

[Rezenith]

Nether Portal are randomly sprouting up from no where in the overworld with animals going through them causing a ticking entity crash.

Also people seem to be able to make Nether portals in Mystcraft ages when it wasn't supposed to be done, I believe that the Nether portals are randomly generated here too.

Crash report

---- Minecraft Crash Report ----
// My bad.

Time: 1/21/13 12:21 PM
Description: Ticking entity

java.lang.NullPointerException
at gm.transferEntityToWorld(ServerConfigurationManager.java:446)
at gm.a(ServerConfigurationManager.java:441)
at lq.b(Entity.java:2381)
at lq.y(Entity.java:479)
at md.y(EntityLiving.java:569)
at lq.j_(Entity.java:431)
at md.j_(EntityLiving.java:808)
at yc.a(World.java:2295)
at in.a(WorldServer.java:647)
at yc.g(World.java:2257)
at yc.h(World.java:2103)
at in.h(WorldServer.java:516)
at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:679)
at ho.r(DedicatedServer.java:270)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:598)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)
at fy.run(SourceFile:849)


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

-- Head --
Stacktrace:
at gm.transferEntityToWorld(ServerConfigurationManager.java:446)
at gm.a(ServerConfigurationManager.java:441)
at lq.b(Entity.java:2381)
at lq.y(Entity.java:479)
at md.y(EntityLiving.java:569)
at lq.j_(Entity.java:431)
at md.j_(EntityLiving.java:808)
at yc.a(World.java:2295)
at in.a(WorldServer.java:647)
at yc.g(World.java:2257)

-- Entity being ticked --
Details:
Entity Type: Cow (oz)
Entity ID: 4822214
Name: Cow
Exact location: -11.53, 67.00, 1287.41
Block location: World: (-12,67,1287), Chunk: (at 4,4,7 in -1,80; contains blocks -16,0,1280 to -1,255,1295), Region: (-1,2; contains chunks -32,64 to -1,95, blocks -512,0,1024 to -1,255,1535)
Momentum: 0.01, -0.08, -0.02
Stacktrace:
at yc.h(World.java:2103)
at in.h(WorldServer.java:516)

-- Affected level --
Details:
Level name: world
All players: 15 total; [iq['agomez74'/1250614, l='world', x=-120.28, y=67.17, z=-464.92], iq['kaboom79'/3151369, l='world', x=-122.25, y=78.00, z=-476.21], iq['czared'/3833053, l='world', x=-1423.08, y=106.00, z=-690.85], iq['xProof'/3923493, l='world', x=-270.87, y=65.00, z=-187.55], iq['Pure_Talent_HD'/3617701, l='world', x=589.49, y=21.00, z=-390.70], iq['Creeperologist'/3974597, l='world', x=-173.56, y=68.00, z=-313.44], iq['Lyncus2012'/4398006, l='world', x=-123.35, y=63.00, z=-324.70], iq['Taidel'/4815332, l='world', x=-220.42, y=49.00, z=233.14], iq['beeproductions'/4822098, l='world', x=9.68, y=65.00, z=1309.48], iq['Alex2002012'/4834483, l='world', x=-431.70, y=55.00, z=-213.30], iq['nickpeters21'/4857642, l='world', x=-931.55, y=63.00, z=-458.61], iq['Aust1nrulez'/4294236, l='world', x=575.66, y=21.00, z=-397.08], iq['Karl_III'/3897794, l='world', x=-121.70, y=69.00, z=-237.98], iq['SN3AKYB3AV3R'/4832472, l='world', x=-218.29, y=84.85, z=-656.94], iq['YourDailyJuice'/4052255, l='world', x=-459.76, y=64.00, z=-315.80]]
Chunk stats: ServerChunkCache: 3896 Drop: 0
Level seed: -6237486314768822323
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options:
Level spawn location: World: (-126,66,-293), Chunk: (at 2,4,11 in -8,-19; contains blocks -128,0,-304 to -113,255,-289), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 6782858 game time, 411238 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 9560111 (now: false), thunder time: 53094 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:679)
at ho.r(DedicatedServer.java:270)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:598)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)
at fy.run(SourceFile:849)

 

[Rezenith]

-- System Details --
Details:
Minecraft Version: 1.4.6
Operating System: Linux (amd64) version 2.6.18-308.24.1.el5
Java Version: 1.7.0_09, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 95402872 bytes (90 MB) / 2525691904 bytes (2408 MB) up to 2863333376 bytes (2730 MB)
JVM Flags: 2 total; -Xmx3072M -Xms256M
AABB Pool Size: 63700 (3567200 bytes; 3 MB) allocated, 17230 (964880 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
FML: MCP v7.25 FML v4.6.17.515 Minecraft Forge 6.5.0.489 63 mods loaded, 63 mods active
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
fihgu's Core Mod [fihgu's Core Mod] (mindcrack.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
DamageIndicatorsMod [Damage Indicators] (mindcrack.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BukkitForge [BukkitForge] (BukkitForge-1.4.7-70.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BlockBreak [Block Break Event] (BukkitForge-1.4.7-70.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
IC2 [IndustrialCraft 2] (industrialcraft-2_1.112.170-lf.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
AdvancedMachines [IC2 Advanced Machines Addon] (AdvancedMachines_4.7a.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ChickenChunks [ChickenChunks] (ChickenChunks 1.2.1.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ComputerCraft [ComputerCraft] (ComputerCraft1.481.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
CCTurtle [ComputerCraft Turtles] (ComputerCraft1.481.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
EnderStorage [EnderStorage] (EnderStorage 1.3.1.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ExtrabiomesXL [ExtrabiomesXL] (ExtrabiomesXL-universal-1.4.7-3.8.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
factorization [Factorization] (Factorization-0.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BuildCraft|Core [BuildCraft] (buildcraft-A-3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BuildCraft|Builders [BC Builders] (buildcraft-A-3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BuildCraft|Energy [BC Energy] (buildcraft-A-3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BuildCraft|Factory [BC Factory] (buildcraft-A-3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
Forestry [Forestry for Minecraft] (forestry-A-1.7.0.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
Railcraft [Railcraft] (Railcraft_1.4.6-6.13.1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerCore [RedPower] (RedPowerCore-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerBase [RP Base] (RedPowerCore-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerMachine [RP Machine] (RedPowerMechanical-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerCompat [RP Compat] (RedPowerCompat-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerWiring [RP Wiring] (RedPowerDigital-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerLogic [RP Logic] (RedPowerDigital-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerLighting [RP Lighting] (RedPowerDigital-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerWorld [RP World] (RedPowerMechanical-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerControl [RP Control] (RedPowerMechanical-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ThermalExpansion [Thermal Expansion] (ThermalExpansion-2.1.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ThermalExpansion|Factory [Factory] (ThermalExpansion-2.1.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ThermalExpansion|Energy [Energy] (ThermalExpansion-2.1.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available

 

[Nessiroj]

The crash is indeed from something comming throught the portal:

java.lang.NullPointerException
at gm.transferEntityToWorld(ServerConfigurationManager.java:446)

As for the random portal creating, there are several topic about it where ppl report this strange invasion. We have no idea whats causing it atm