<mbean code="org.jboss.mx.loading.ClassPreloadService" name="jboss.mx:service=ClassPreloadService" xmbean-dd=""> The patterns for classpath includes IncludePatterns [Ljava.lang.String; The patterns for classpath excludes ExcludePatterns [Ljava.lang.String; A flag indicate if String.endsWith matching of includes/excludes should be used SimpleMatch boolean start jbossmq.jar classes12.jar true The classes12.jar is in the \server\default\lib folder No matter what I put in the patterns the output is: INFO [ClassPreloadService] Loaded 0 classes, 0 CNFEs View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4106046#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...