&quot;heiko.braun(a)jboss.com&quot; wrote : | What I don't understand is why this behaves differently when I copy an archive to the deploy directory when the server is running. This is a known issue that the jarExtensions are not picked up when starting AS. This will be fixed in 5.1. You would need to add your jarExtension to the bootstrap/deployers.xml for the moment like it's done here: | <bean name="JARStructure" class="org.jboss.deployers.vfs.plugins.structure.jar.JARStructure"> | ... | <value>.spring</value> | <value>.rails</value> | <value>.esb</value> | </bean> | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4214874#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...