Solved Server crashes every time it starts- just set up

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tomt1235

New Member
Jul 29, 2019
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I set up a server today and installed the direwolf20 server pack onto it and haven't had a good time since. I've fiddled with lots of things but still can't get it to work. This is my latest crash report. It doesn't seem as bad as the ones before so maybe I'm getting somewhere.

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 2/15/13 7:42 PM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: aiy
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:418)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:140)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:83)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:479)
at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:86)
at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:350)
at ho.c(DedicatedServer.java:64)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:458)
at fy.run(SourceFile:849)
Caused by: java.lang.ClassNotFoundException: aiy
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:185)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 29 more
Caused by: java.lang.NullPointerException
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at codechicken.core.asm.ClassHeirachyManager.transform(ClassHeirachyManager.java:80)
at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:228)
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:173)
... 31 more


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: Linux (amd64) version 3.2.13-xxxx-std-ipv6-64
Java Version: 1.7.0_03, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 972171440 bytes (927 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 8 total; -Xincgc -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSIncrementalPacing -XX:PermSize=64m -XX:MaxPermSize=128m -Xmx1024M -Xms1024M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v7.26a FML v4.7.22.539 Minecraft Forge 6.6.0.515 35 mods loaded, 35 mods active
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
FML [Forge Mod Loader] (coremods) Unloaded->Constructed
Forge [Minecraft Forge] (coremods) Unloaded->Constructed
CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed
NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed
IC2 [IndustrialCraft 2] (Industrialcraft-2_1.108.71-lf.jar) Unloaded
AdvancedMachines [IC2 Advanced Machines Addon] (AdvancedMachines 4.4.zip) Unloaded
AdvancedSolarPanel [Advanced Solar Panels] (AdvancedSolarPanels_3_2_0.zip) Unloaded
BuildCraft|Core [BuildCraft] (BuildCraft-3.1.8.206.jar) Unloaded
BuildCraft|Energy [BC Energy] (BuildCraft-3.1.8.206.jar) Unloaded
BuildCraft|Transport [BC Transport] (BuildCraft-3.1.8.206.jar) Unloaded
BuildCraft|Builders [BC Builders] (BuildCraft-3.1.8.206.jar) Unloaded
BuildCraft|Factory [BC Factory] (BuildCraft-3.1.8.206.jar) Unloaded
BuildCraft|Silicon [BC Silicon] (BuildCraft-3.1.8.206.jar) Unloaded
ComputerCraft [ComputerCraft] (ComputerCraft1.46.zip) Unloaded
CCTurtle [ComputerCraft Turtles] (ComputerCraft1.46.zip) Unloaded
EnderStorage [EnderStorage] (EnderStorage 1.2.1.jar) Unloaded
ExtrabiomesXL [ExtrabiomesXL] (ExtrabiomesXL-3.3.0.jar) Unloaded
factorization [Factorization] (Factorization-0.6.9_563.jar) Unloaded
Forestry [Forestry for Minecraft] (Forestry-1.6.0.0pre6.jar) Unloaded
ForgeIRC [ForgeIRC] (ForgeIRC-v1.0.11.zip) Unloaded
GraviSuite [Gravitation Suite] (GraviSuite_1_4.zip) Unloaded
IC2NuclearControl [Nuclear Control] (IC2NuclearControl-1.4.1.zip) Unloaded
IronChest [Iron Chest] (Ironchest-4.2.1.120.zip) Unloaded
ModularForceFieldSystem [Modular ForceField System V2] (ModularForceFieldSystemV2.2.8.0.5.zip) Unloaded
Mystcraft [Mystcraft] (Mystcraft-1.4.1-0.9.3.02.zip) Unloaded
ObsidiPlates [Obsidian Pressure Plates] (Obsidiplates-1.0.0.1.zip) Unloaded
Railcraft [Railcraft] (Railcraft_6.7.0.0.zip) Unloaded
StevesCarts [Steve's Carts] (StevesCarts2.0.0.a20.zip) Unloaded
ThermalExpansion|Core [Thermal Expansion] (ThermalExpansion-2.0.5.zip) Unloaded
ThermalExpansion|Factory [Factory] (ThermalExpansion-2.0.5.zip) Unloaded
ThermalExpansion|Energy [Energy] (ThermalExpansion-2.0.5.zip) Unloaded
TwilightForest [The Twilight Forest] (TwilightForest-1.12.2.zip) Unloaded
PortalGun [PortalGun] (portalgun1.4.2v0.3_universal.zip) Unloaded
GregTech_Addon [GregTech-Addon] (GregTechmod.zip) Unloaded
Profiler Position: N/A (disabled)
Is Modded: Definitely; Server brand changed to 'fml'
Type: Dedicated Server (map_server.txt)
 
This is what seems to be causing the problems
15.02 20:59:56 [Server] INFO java.lang.NoClassDefFoundError: ic2/common/ItemDebug
15.02 20:59:56 [Server] SEVERE [Minecraft] Encountered an unexpected exception NoClassDefFoundError

Any ideas on how to fix it? Or even what that means?