Java error

[Enchiridion]

Hi, I downloaded your program (3dc-1.0.jar) and followed the examples, however I'm getting an error:

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/log4j/Layout
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
at java.lang.Class.getMethod0(Unknown Source)
at java.lang.Class.getMethod(Unknown Source)
at sun.launcher.LauncherHelper.getMainMethod(Unknown Source)
at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Layout
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)
... 6 more

I downloaded a copy of log4j-1.2.16.jar and put it in the same folder as 3dc-1.0.jar but still got the same error. I also tried specifying the classpath but also received the same error. That's the limit of how much java debugging I know.

I'm running Java 1.7.0_17 on Windows 7 x64.