When a URL is built for a JAR entry that is a directory, the trailing slash is removed. Without the slash, URLClassLoader will reject it as a valid classpath entry. Can anyone see a problem with using the non-stripped entry name for construction of the URL? This would also fix the following: | // Question: Why doesn't this work properly? | // URL url = new URL(parent.toURL(), entry.getName()); | URL url = getURL(parent, entryName); | -Jason View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3985315#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...