I searched the thread to see if anyone had mentioned world anchors from railcraft being a problem, and I didn't see anything, tested and got a crash.
MC crash report
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem; Ticking tile entity
A full error report has been saved to C:\Users\James\AppData\Roaming\.minecraft\crash-reports\crash-2013-09-16_06.48.06-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 d3d16048 --------
Full report at:
C:\Users\James\AppData\Roaming\.minecraft\crash-reports\crash-2013-09-16_06.48.06-server.txt
Please show that file to Mojang, NOT just this screen!
Generated 9/16/13 6:48 AM
-- Head --
Stacktrace:
at JAKJ.RedstoneInMotion.MotiveSpectreEntity.Release(MotiveSpectreEntity.java:180)
at JAKJ.RedstoneInMotion.MotiveSpectreEntity.func_70316_g(MotiveSpectreEntity.java:71)
-- Tile entity being ticked --
Details:
Name: JAKJ_RedstoneInMotion_MotiveSpectreEntity // JAKJ.RedstoneInMotion.MotiveSpectreEntity
Block type: ID #3359 (tile.JAKJ_RedstoneInMotion_Carriage // JAKJ.RedstoneInMotion.Carriage)
Block data value: 0 / 0x0 / 0b0000
Block location: World: (-94,102,247), Chunk: (at 2,6,7 in -6,15; contains blocks -96,0,240 to -81,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Actual block type: ID #3359 (tile.JAKJ_RedstoneInMotion_Carriage // JAKJ.RedstoneInMotion.Carriage)
Actual block data value: 0 / 0x0 / 0b0000
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:2202)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:546)
-- Affected level --
Details:
Level name: bug test
All players: 0 total; []
Chunk stats: ServerChunkCache: 440 Drop: 86
Level seed: -5922963787254962361
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options:
Level spawn location: World: (-84,64,232), Chunk: (at 12,4,8 in -6,14; contains blocks -96,0,224 to -81,255,239), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 6484 game time, 6484 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 90693 (now: false), thunder time: 112815 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:653)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:572)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:127)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:470)
at net.minecraft.server.ThreadMinecraftServer.run(gp.java:35)
-- System Details --
Details:
Minecraft Version: 1.5.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_21, Oracle Corporation
Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 726393080 bytes (692 MB) / 1052770304 bytes (1004 MB) up to 4273995776 bytes (4076 MB)
JVM Flags: 15 total; -XX:+UseConcMarkSweepGC -XX:MaxPermSize=256m -XX:+UseParNewGC -XX:MaxHeapFreeRatio=25 -XX:MinHeapFreeRatio=20 -XX:NewSize=240m -XX:SurvivorRatio=10 -XX:+PrintHeapAtGC -XX:+PrintTenuringDistribution -XX:MaxTenuringThreshold=4 -XX:+PrintCommandLineFlags -XX:+PrintGCDetails -Xloggc:GC.log -Xmx4096m -Xms1024m
AABB Pool Size: 3948 (221088 bytes; 0 MB) allocated, 2158 (120848 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
FML: MCP v7.51 FML v5.2.21.733 Minecraft Forge 7.8.0.733 16 mods loaded, 16 mods active
mcp{7.44} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{5.2.21.733} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{7.8.0.733} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore{0.8.7.3} [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NotEnoughItems{1.5.2.28} [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_AutoSwitch{AutoSwitch v4.0.2 for Minecraft 1.5.2} [mod_AutoSwitch] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_BetterGrassAndLeaves{1.5.2.F} [mod_BetterGrassAndLeaves] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_ThebombzenAPI{ThebombzenAPI v2.0.0 for Minecraft 1.5.2} [mod_ThebombzenAPI] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CCMultipart{1.0.0.149} [Forge Multipart] (ForgeMultipart-universal-1.5.2-1.0.0.149.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CCMicroblock{1.0.0.149} [Forge Microblocks] (ForgeMultipart-universal-1.5.2-1.0.0.149.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
McMultipart{1.0.0.149} [Minecraft Multipart Plugin] (ForgeMultipart-universal-1.5.2-1.0.0.149.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Railcraft{7.3.0.0} [Railcraft] (Railcraft_1.5.2-7.3.0.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
JAKJ_RedstoneInMotion{2.1.0.2} [Redstone In Motion] (RedstoneInMotion_2.1.0.2_mc1.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
WR-CBE|Core{1.4.0.1} [WR-CBE Core] (WR-CBE Core 1.4.0.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
WR-CBE|Addons{1.4} [WR-CBE Addons] (WR-CBE Addons 1.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
WR-CBE|Logic{1.4.0.3} [WR-CBE Logic] (WR-CBE Logic 1.4.0.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 1211 (67816 bytes; 0 MB) allocated, 258 (14448 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['Ixion000000'/153, l='bug test', x=-27.00, y=102.50, z=20.00]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'
java.lang.NullPointerException
at JAKJ.RedstoneInMotion.MotiveSpectreEntity.Release(MotiveSpectreEntity.java:180)
at JAKJ.RedstoneInMotion.MotiveSpectreEntity.func_70316_g(MotiveSpectreEntity.java:71)
at net.minecraft.world.World.func_72939_s(World.java:2202)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:546)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:653)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:572)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:127)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:470)
at net.minecraft.server.ThreadMinecraftServer.run(gp.java:35)
--- END ERROR REPORT 2629e9bc ----------
My FML log was huge for some reason, the forums wouldn't let me post it. Hope pastebin is ok.
http://pastebin.com/zJufEsgm
My test setup is a small frame construct with one engine, receiving signal from Chickenbone's wireless redstone. It has one world anchor on it. When I'm near it in the same dimension, it works fine and moves the world anchor. When I go through a nether portal, it does its normal loading, and then I get this crash. I didn't test being far enough away in the same dimension to cause the world anchor to start chunk loading, I was close enough to keep it loaded myself until using the nether portal. If you need any more info, I'm more than willing to get it for you. Apologies if chunk loading or world anchors are already known to be broken.