Crash while transforming through ASM

[SanAndreaP]

So I learned how to use ASM and everything works as expected like adding code lines or even methods. But if I try to modify a method in the RenderBiped class, I get a crash:

 

2013-05-13 17:32:29 [iNFO] [ForgeModLoader] Forge Mod Loader version 5.2.5.685 for Minecraft 1.5.2 loading
2013-05-13 17:32:29 [iNFO] [ForgeModLoader] Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_17, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre7
2013-05-13 17:32:29 [iNFO] [ForgeModLoader] Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation
2013-05-13 17:32:32 [iNFO] [sTDOUT] 229 recipes
2013-05-13 17:32:32 [iNFO] [sTDOUT] 27 achievements
2013-05-13 17:32:32 [iNFO] [Minecraft-Client] Setting user: sanandreasMC
2013-05-13 17:32:32 [iNFO] [sTDOUT] (Session ID is -)
2013-05-13 17:32:32 [iNFO] [sTDERR] Client asked for parameter: server
2013-05-13 17:32:32 [iNFO] [Minecraft-Client] LWJGL Version: 2.9.0
2013-05-13 17:32:33 [iNFO] [MinecraftForge] Attempting early MinecraftForge initialization
2013-05-13 17:32:33 [iNFO] [sTDOUT] MinecraftForge v7.8.0.685 Initialized
2013-05-13 17:32:33 [iNFO] [ForgeModLoader] MinecraftForge v7.8.0.685 Initialized
2013-05-13 17:32:33 [iNFO] [sTDOUT] Replaced 85 ore recipies
2013-05-13 17:32:33 [iNFO] [MinecraftForge] Completed early MinecraftForge initialization
2013-05-13 17:32:33 [iNFO] [ForgeModLoader] Reading custom logging properties from C:\Users\SanAndreas\Desktop\MCP\forge_152_780_685\mcp\jars\config\logging.properties
2013-05-13 17:32:33 [OFF] [ForgeModLoader] Logging level for ForgeModLoader logging is set to ALL
2013-05-13 17:32:33 [iNFO] [ForgeModLoader] Searching C:\Users\SanAndreas\Desktop\MCP\forge_152_780_685\mcp\jars\mods for mods
2013-05-13 17:32:35 [iNFO] [EnhPaintings] Mod EnhPaintings is missing the required element 'name'. Substituting EnhPaintings
2013-05-13 17:32:35 [iNFO] [MCPTools] Mod MCPTools is missing the required element 'name'. Substituting MCPTools
2013-05-13 17:32:35 [iNFO] [ForgeModLoader] Forge Mod Loader has identified 13 mods to load
2013-05-13 17:32:35 [iNFO] [mcp] Activating mod mcp
2013-05-13 17:32:35 [iNFO] [FML] Activating mod FML
2013-05-13 17:32:35 [iNFO] [Forge] Activating mod Forge
2013-05-13 17:32:35 [iNFO] [sAPManPackCore] Activating mod SAPManPackCore
2013-05-13 17:32:35 [iNFO] [ClaySoldiersMod] Activating mod ClaySoldiersMod
2013-05-13 17:32:35 [iNFO] [DispCase] Activating mod DispCase
2013-05-13 17:32:35 [iNFO] [EnderStuffPlus] Activating mod EnderStuffPlus
2013-05-13 17:32:35 [iNFO] [EnhPaintings] Activating mod EnhPaintings
2013-05-13 17:32:35 [iNFO] [sAP_Man] Activating mod SAP_Man
2013-05-13 17:32:35 [iNFO] [MCPTools] Activating mod MCPTools
2013-05-13 17:32:35 [iNFO] [ParticleDeco] Activating mod ParticleDeco
2013-05-13 17:32:35 [iNFO] [TStormFix] Activating mod TStormFix
2013-05-13 17:32:35 [iNFO] [TurretMod3] Activating mod TurretMod3
2013-05-13 17:32:44 [iNFO] [sTDERR] Exception in thread "Minecraft main thread" java.lang.NoClassDefFoundError: sanandreasp/mods/ClaySoldiersMod/client/render/CSM_RenderClayMan
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.Class.forName0(Native Method)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.Class.forName(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:50)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:471)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.reflect.Method.invoke(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at com.google.common.eventbus.EventBus.post(EventBus.java:267)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:165)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.reflect.Method.invoke(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at com.google.common.eventbus.EventBus.post(EventBus.java:267)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:98)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at cpw.mods.fml.common.Loader.loadMods(Loader.java:503)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:160)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at net.minecraft.client.Minecraft.startGame(Minecraft.java:410)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at net.minecraft.client.MinecraftAppletImpl.startGame(MinecraftAppletImpl.java:44)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at net.minecraft.client.Minecraft.run(Minecraft.java:732)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.Thread.run(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] Caused by: java.lang.ClassNotFoundException: sanandreasp.mods.ClaySoldiersMod.client.render.CSM_RenderClayMan
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:238)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.ClassLoader.loadClass(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.ClassLoader.loadClass(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	... 30 more
2013-05-13 17:32:44 [iNFO] [sTDERR] Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/renderer/entity/RenderBiped
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.ClassLoader.defineClass1(Native Method)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.ClassLoader.defineClass(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.security.SecureClassLoader.defineClass(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:227)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	... 32 more
2013-05-13 17:32:44 [iNFO] [sTDERR] Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.entity.RenderBiped
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:139)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.ClassLoader.loadClass(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	at java.lang.ClassLoader.loadClass(Unknown Source)
2013-05-13 17:32:44 [iNFO] [sTDERR] 	... 36 more
2013-05-13 17:32:50 [iNFO] [sTDERR] Someone is closing me!

 

 

I noticed if I edit something in the MethodNode's instructions list it does this. Here's the code I use:

https://gist.github.com/SanAndreasP/c350016ddaea4d9ff7ae

 

And yes, I know that those method names aren't named like this anymore after reobf, it's just for testing purposes.