Minecraft Forums

Error Log:
Loading jars...
Loading URL: file:/F:/Lukas/Minecraft/FTB/Direwolf20/instMods/MinecraftForge.zip
Loading URL: file:/F:/Lukas/Minecraft/FTB/Direwolf20/minecraft/bin/minecraft.jar
Loading URL: file:/F:/Lukas/Minecraft/FTB/Direwolf20/minecraft/bin/lwjgl.jar
Loading URL: file:/F:/Lukas/Minecraft/FTB/Direwolf20/minecraft/bin/lwjgl_util.jar
Loading URL: file:/F:/Lukas/Minecraft/FTB/Direwolf20/minecraft/bin/jinput.jar
Loading natives...
Natives loaded...
Loading minecraft class
mc = class net.minecraft.client.Minecraft
Exception in thread "main" java.lang.NoClassDefFoundError: org/lwjgl/LWJGLException
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Unknown Source)
at java.lang.Class.getDeclaredFields(Unknown Source)
at net.ftb.mclauncher.MinecraftLauncher.main(MinecraftLauncher.java:182)
Caused by: java.lang.ClassNotFoundException: org.lwjgl.LWJGLException
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 4 more

Win7, Java 64-bit jde and jdk installed
work properly before

error fixed, actually the jar is missing but i thought i have it

Sorry for the late response,but where did you get the jar?