This is a list of commonly reported errors: ******************************************************************************** ******************************************************************************** =============================== LOG FROM RUNNING YOUR PROGRAM: =============================== Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version number in .class file at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:620) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124) at java.net.URLClassLoader.defineClass(URLClassLoader.java:260) at java.net.URLClassLoader.access$100(URLClassLoader.java:56) at java.net.URLClassLoader$1.run(URLClassLoader.java:195) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) Command exited with non-zero status 1 user 0.06 =============================== Exit status 1: your program exits with FAILURE status. =============================== It indicates that the java program has been compiled with a java version different from the one used for running it. In fafner the java version is 1.5.0_19. The way to avoid this problem is to log in in fafner and compile the java program in that machine before creating the gzip archive. ******************************************************************************** ******************************************************************************** =============================== LOG FROM RUNNING YOUR PROGRAM: =============================== Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/cli/ParseException Command exited with non-zero status 1 user 0.07 =============================== Exit status 1: your program exits with FAILURE status. =============================== The cli libraries are missing in your package. You need to include the lib/ directory from the FrameworkJava in your gzip archive. ******************************************************************************** ******************************************************************************** The quotes used in "gcp" are the wrong ones: there are: - " (double quote) - ' (single quote) - ` (backquote) The ones to use in "gcp" are the backquotes