Hmm, this post gives no hint as to what version of JBossAS this is. Nor the JDK version. Nor the operating system. Nor does the post indicate if JBossAS is being started clean (no additional apps deployed) or if other apps were deployed before staring the app server. On top of that, the error message is coming from a class (com.proximities.common.cache.BaseCacheManager) that is not even part of JBossAS. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4165107#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...