What version of JBoss AS? What OS? What JVM? What is the CPU usage? Try this - undeploy all of your apps, including the datasource. Bring up JBoss AS and try to access the home page and do a CTRL-C. Does it respond? If so, then good. Now repeat the same thing several times, each time adding in one more app (start with the datasource, then the EJB JAR, then the WAR). That should help identify which app is causing the issue. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4241606#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...