"ovidiu.feodorov(a)jboss.com" wrote : If the client runs in a security restricted environment that denies System.getProperty(), being prevented to get properties such as "jboss.messaging.callback.bind.address" is the least of our worries, because log4j won't be able to get things like "line.separator" and it will throw exception long before we attempt to get the bind address. Not nceessarily. You can deny/allow access to individual properties in the security manager config. Something like log4j is so widely and well known used that it's conceivable they allow access, but not the same for our properties. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4013555#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...