Minecraft Forums

I've tried installing thaumcraft 2 and I've done it correctly but minecraft crashes everytime.
I am using other mods, and I thought about that so I tried without mods and it still didn't work.
Here is the crash log.
Can someone please tell me what is wrong.



---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 11/29/12 5:51 PM
Description: Failed to start game

cpw.mods.fml.common.LoaderException: java.lang.ClassNotFoundException: mod_ThaumCraft
at cpw.mods.fml.common.LoadController.transition(LoadController.java:117)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:479)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:151)
at net.minecraft.client.Minecraft.a(Minecraft.java:424)
at net.minecraft.client.Minecraft.run(Minecraft.java:756)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: mod_ThaumCraft
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:141)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at cpw.mods.fml.common.ModClassLoader.loadClass(ModClassLoader.java:57)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at cpw.mods.fml.common.ModClassLoader.loadBaseModClass(ModClassLoader.java:87)
at cpw.mods.fml.common.modloader.ModLoaderModContainer.constructMod(ModLoaderModContainer.java:488)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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:478)
... 4 more
Caused by: java.lang.NoClassDefFoundError: forge/ISaveEventHandler
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:134)
... 32 more
Caused by: java.lang.ClassNotFoundException: forge.ISaveEventHandler
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:141)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 36 more
Caused by: java.lang.NullPointerException
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at net.minecraftforge.transformers.EventTransformer.transform(EventTransformer.java:29)
at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:178)
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:133)
... 38 more


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

-- System Details --
Details:
Minecraft Version: 1.4.5
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_05, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 449489480 bytes (428 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
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 v7.23 FML v4.5.2.459 Minecraft Forge 6.4.1.407 Optifine OptiFine_1.4.5_HD_U_D3 20 mods loaded, 20 mods active
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
FML [Forge Mod Loader] (coremods) Unloaded->Constructed
Forge [Minecraft Forge] (coremods) Unloaded->Constructed
mod_TooManyItems [mod_TooManyItems] (minecraft.jar) Unloaded->Constructed
mod_ReiMinimap [mod_ReiMinimap] ([1.4.5]ReiMinimap_v3.2_05.zip) Unloaded->Constructed
BuildCraft|Core [BuildCraft] (buildcraft-A-3.2.0.jar) Unloaded->Constructed
BuildCraft|Builders [BC Builders] (buildcraft-A-3.2.0.jar) Unloaded->Constructed
BuildCraft|Energy [BC Energy] (buildcraft-A-3.2.0.jar) Unloaded->Constructed
BuildCraft|Factory [BC Factory] (buildcraft-A-3.2.0.jar) Unloaded->Constructed
BuildCraft|Transport [BC Transport] (buildcraft-A-3.2.0.jar) Unloaded->Constructed
BuildCraft|Silicon [BC Silicon] (buildcraft-A-3.2.0.jar) Unloaded->Constructed
mod_CraftGuide [mod_CraftGuide] (CraftGuide-1.6.4.9-modloader.zip) Unloaded->Constructed
Forestry [Forestry for Minecraft] (forestry-A-1.6.2.1.jar) Unloaded->Constructed
IC2 [IndustrialCraft 2] (industrialcraft-2_1.109.113-lf.jar) Unloaded->Constructed
mod_InvTweaks [Inventory Tweaks] (InvTweaks-1.45-1.4.4.zip) Unloaded->Constructed
IronChest [Iron Chest] (ironchest-universal-4.4.0.189.zip) Unloaded->Constructed
Millenaire [Millénaire] (millenaire3.2.6.zip) Unloaded->Constructed
Railcraft [Railcraft] (Railcraft_1.4.5b-6.9.0.0.zip) Unloaded->Constructed
weaponmod [Balkon's WeaponMod] (Weaponmod.zip) Unloaded->Constructed
mod_ThaumCraft [mod_ThaumCraft] (ThaumCraft2.1.6d (2).zip) Unloaded->Errored
LWJGL: 2.4.2
OpenGL: AMD Radeon(TM) HD 6620G GL version 4.1.10600 Compatibility Profile Context, ATI Technologies Inc.
Is Modded: Definitely; Client brand changed to 'forge,fml'
Type: Client (map_client.txt)
Texture Pack: Isabella II 1.4v4.zip
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

Thaumcraft 2 is for minecraft version 1.2.5
And it seems that you are trying to run it on version 1.4.5
There's your problem

thaumcraft 2 is for 1.2.5 he is not planning to update thaumcraft 2 to 1.4.5 you will have to wait for hin to release thaumcraft 3 like the rest of us

ok thanks!