(answering to myself) Using a default Security Manager helps. In run.bat/run.sh: set JAVA_OPTS=%JAVA_OPTS% -Djava.security.manager -Djava.security.policy="server.policy" and default server.policy: grant { | // Allow everything for now | permission java.security.AllPermission; | }; The working solution is taken from http://www.ubookcase.com/book/Sams/JBoss.4.0.The.Official.Guide/067232648... -- Serg View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4045807#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...