I'll assume you restored the jsf-lib files. So try this. Add "-verbose:class" to the JAVA_OPTS in the run.bat file (I assume you are using windows based on the '\' you used in the path). You will need to redirect stdout/stderr to a file. This option causes the JVM to print out each class laoded and the JAR it came from. Search the output for both the GlassFishConfigureListener and the ConfigureListener. The ConfigureListener class should come from the jsf-libs directory. The JAR the GlassFishConfigureListener came from is the JAR you want to get rid of. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4250445#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...