"alesj" wrote : Found it. ;-) | | The problem is, that we're releasing Module twice: | - AbstractClassLoaderDescribeDeployer::undeploy | - AbstractLevelClassLoaderSystemDeployer::undeploy | | Which one is overhead? | Or should we have two phases of remove? I don't think that is true. The first one does the release() the second one only does reset() which removes the cached state that will get recalculated on redeploy. The alias removal should be done at release. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4193357#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...