java.lang.NoClassDefFoundError: net/minecraft/client/Minecraft

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Samebug tips

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via minecraftforum.net by Unknown author

The stack trace shows which mod caused the problem (in my case it was at com.pahimar.ee3.reference.Textures.<clinit>, so the mod in question is EE3). Remove or reinstall that mod.

Solutions on the web

via commentcamarche.net by Unknown author, 1 year ago
net/minecraft/client/Minecraft
java.lang.RuntimeException: Attempted to load class bao for invalid side SERVER
at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:51)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
at java.lang.ClassLoader.loadClass(Unknown Source)
at fiskfille.lightsabers.main.LightsabersEventHandler.onLivingJump(LightsabersEventHandler.java:45)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_7_LightsabersEventHandler_onLivingJump_LivingJumpEvent.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)
at net.minecraft.entity.EntityLivingBase.func_70664_aZ(EntityLivingBase.java:1646)
at net.minecraft.entity.player.EntityPlayer.func_70664_aZ(EntityPlayer.java:1834)
at net.minecraft.network.NetHandlerPlayServer.func_147347_a(NetHandlerPlayServer.java:528)
at net.minecraft.network.play.client.C03PacketPlayer.func_148833_a(C03PacketPlayer.java:36)
at net.minecraft.network.play.client.C03PacketPlayer$C06PacketPlayerPosLook.func_148833_a(C03PacketPlayer.java:234)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:244)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:980)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:423)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658)
at java.lang.Thread.run(Unknown Source)

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