"gaohoward" wrote : This static is used to identify a JBM process, not only client processes use it, but also the Postoffice use it. So once it is initialized it should never be changed as long as the process is alive. So make it final would be more proper. It will forbid any attempt to change it. Ok sure, but it's not a big deal - nothing does change it. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4200616#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...