Hi, in general users shouldn't use threads in webservice endpoints. This rule applies to both EJB and POJO based endpoints. Regarding your question about web service initialization/destroy process, the issue you're talking about will be fixed since next i.e. JBossWS 3.1.1.GA release. See JBWS-2486 for more info. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4220600#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...