Which is why hot redeploy is not recommended for production, only for development, I can't find it at the moment but there are plenty of explanations about it and relate to some Sun JDK bug that has neven been fixed. Other JVM handles permgen space differently. Unless you redeploy a new version every day you shouldn't have to restart every night. Also on a cluster there are better approach to keep having your portal running without any downtime. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4238230#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...