Thanks to spend time on my issue. My requirement is when the application is timedout I hav to notify presentation tier(ULC) as " Session is timedout please login again ".... I still seeing Transaction MBean in jta-service.xml file only... eventhough timeout is 300 sec...application is still working when the it is being idle for more than 30 mins(exactly 40 mins).it shd not happen bcos i set only for 5 mins.after 40 mins when i click any button i am getting blank pages...I confused where to set timeout period View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3978434#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...