root@inigo ben]# java -jar eXist-1.0rc.jar  -p /var/exist[ Starting automated installation ]Exception in thread "main" java.lang.NoClassDefFoundError: com.izforge.izpack.installer.Unpacker   at java.lang.Class.initializeClass(libgcj.so.7)   at com.izforge.izpack.panels.InstallPanelAutomationHelper.runAutomated(InstallPanelAutomationHelper.java:64)   at com.izforge.izpack.installer.AutomatedInstaller.doInstall(AutomatedInstaller.java:250)   at com.izforge.izpack.installer.AutomatedInstaller.<init>(AutomatedInstaller.java:100)   at org.exist.izpack.CommandLineInstaller.execute(CommandLineInstaller.java:112)   at org.exist.izpack.CommandLineInstaller.main(CommandLineInstaller.java:132)Caused by: java.lang.ClassNotFoundException: com.izforge.izpack.event.InstallerListener not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:eXist-1.0rc.jar], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}   at java.net.URLClassLoader.findClass(libgcj.so.7)   at java.lang.ClassLoader.loadClass(libgcj.so.7)   at java.lang.ClassLoader.loadClass(libgcj.so.7)   at java.lang.Class.forName(libgcj.so.7)   at java.lang.Class.initializeClass(libgcj.so.7)   ...5 mor