anonymous wrote : How can I use separate class loaders in separate deployments? There is very good information about this on the Wiki pages. Here are the links to the same: http://wiki.jboss.org/wiki/Wiki.jsp?page=ClassLoadingConfiguration http://wiki.jboss.org/wiki/Wiki.jsp?page=JBossClassLoadingUseCases http://wiki.jboss.org/wiki/Wiki.jsp?page=EnableClassloaderLogging anonymous wrote : Could you tell me what is the purpose to config like this ? <attribute name="UseJBossWebLoader">true</attribute> Have a look at: http://jira.jboss.com/jira/browse/JBAS-1691 And looking at this JIRA and the earlier links that i mentioned, i guess you were correct in mentioning <attribute name="UseJBossWebLoader">false</attribute> View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3957692#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...