Please post the configuration file (which contains the loader-repository config) and also the output of: jar -tf my_sar_file.sar Also please post the entire exception stacktrace. While posting logs or xml content or code, please remember to wrap it in a code block by using the Code button in the message editor window. Please use the Preview button to ensure that your post is correctly formatted. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4203563#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...