Had this crash all yesterday, I was unable to keep my old server world at all, the only thing that worked was a complete reset. I suspect it's a mod issue, not specifically a problem with FTB.
Crash report follows:
---- Minecraft Crash Report ----
// Why is it breaking
Time: 11/6/12 2:31 AM
Description: Exception in server tick loop
java.lang.IllegalArgumentException: Failed to register dimension for id 7, One is already registered
at net.minecraftforge.common.DimensionManager.registerDimension(DimensionManager.java:66)
at xcompwiz.mystcraft.MystcraftEventHandler.registerDimensions(MystcraftEventHandler.java:50)
at xcompwiz.mystcraft.MystcraftEventHandler.handleWorldLoadEvent(MystcraftEventHandler.java:37)
at net.minecraftforge.event.ASMEventHandler_58_MystcraftEventHandler_handleWorldLoadEvent_Load.invoke(.dynamic)
at net.minecraftforge.event.ASMEventHandler.invoke(ASMEventHandler.java:35)
at net.minecraftforge.event.EventBus.post(EventBus.java:103)
at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:278)
at hg.c(DedicatedServer.java:153)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:454)
at fp.run(SourceFile:818)
Relevant Details:
- Minecraft Version: 1.4.2
- Operating System: Linux (amd64) version 2.6.18-308.el5.028stab099.3
- Java Version: 1.7.0_07, Oracle Corporation
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
- Memory: 7229656 bytes (6 MB) / 41222144 bytes (39 MB) up to 1240858624 bytes (1183 MB)
- JVM Flags: 5 total; -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSIncrementalPacing -XX:+AggressiveOpts -Xmx1200M
- AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- FML: ~ERROR~ NullPointerException: null
- Is Modded: Definitely; 'forge,fml'
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- Player Count: 0 / 20; []
- World FTB-Beta-A Entities: 0 total; []
- World FTB-Beta-A Players: 0 total; []
- World FTB-Beta-A Chunk Stats: ServerChunkCache: 0 Drop: 0
- Type: Dedicated Server
Crash report follows:
---- Minecraft Crash Report ----
// Why is it breaking
Time: 11/6/12 2:31 AM
Description: Exception in server tick loop
java.lang.IllegalArgumentException: Failed to register dimension for id 7, One is already registered
at net.minecraftforge.common.DimensionManager.registerDimension(DimensionManager.java:66)
at xcompwiz.mystcraft.MystcraftEventHandler.registerDimensions(MystcraftEventHandler.java:50)
at xcompwiz.mystcraft.MystcraftEventHandler.handleWorldLoadEvent(MystcraftEventHandler.java:37)
at net.minecraftforge.event.ASMEventHandler_58_MystcraftEventHandler_handleWorldLoadEvent_Load.invoke(.dynamic)
at net.minecraftforge.event.ASMEventHandler.invoke(ASMEventHandler.java:35)
at net.minecraftforge.event.EventBus.post(EventBus.java:103)
at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:278)
at hg.c(DedicatedServer.java:153)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:454)
at fp.run(SourceFile:818)
Relevant Details:
- Minecraft Version: 1.4.2
- Operating System: Linux (amd64) version 2.6.18-308.el5.028stab099.3
- Java Version: 1.7.0_07, Oracle Corporation
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
- Memory: 7229656 bytes (6 MB) / 41222144 bytes (39 MB) up to 1240858624 bytes (1183 MB)
- JVM Flags: 5 total; -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSIncrementalPacing -XX:+AggressiveOpts -Xmx1200M
- AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- FML: ~ERROR~ NullPointerException: null
- Is Modded: Definitely; 'forge,fml'
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- Player Count: 0 / 20; []
- World FTB-Beta-A Entities: 0 total; []
- World FTB-Beta-A Players: 0 total; []
- World FTB-Beta-A Chunk Stats: ServerChunkCache: 0 Drop: 0
- Type: Dedicated Server