"clebert.suconic(a)jboss.com" wrote : | So, you will probably check for System.getSecurityManager()==null, what means we would behave the same without creating an extra object when System.getSecurityManager()==null. | | I have done some tests in the past, and when we do too many new PriviledgeBlocks, that really affects performance due to Garbage Collection on those objects. Right, the code generated by AOP should have the check. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4190729#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...