BUILD SUCCESSFUL
Total time: 0 seconds
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/log4j/Logger
        at org.drftpd.tools.installer.Wrapper.<clinit>(Wrapper.java:34)
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Logger
        at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:334)
        ... 1 more
Could not find the main class: org.drftpd.tools.installer.Wrapper. Program will exit.