Dear all, here is my situation: I am using the JBoss AS to run a web-based system. However , due to unknown reason, the JBoss always restarts itself. Does anyone know any method that I could use to check the reason behind? Each time when the JBoss restarts itself , the following log occurs: [CODE] 01:01:06,010 INFO [DataManager] (AppScheduler_Worker-4) Replace tag number from S8486 -> S83 [CODE]01:01:06,010 INFO [DataManager] (AppScheduler_Worker-4) Replace group tag number from null -> [CODE]01:01:06,010 INFO [DataManager] (AppScheduler_Worker-4) <<< updateAppointmentTagNum returns successfully. [CODE]01:01:06,010 INFO [DataManager] (AppScheduler_Worker-4) >>> updateAppointmentTagNum(452727, S84, ) [CODE]01:01:06,025 INFO [DataManager] (AppScheduler_Worker-4) Replace tag number from S8484 -> S84 [CODE]01:01:06,025 INFO [DataManager] (AppScheduler_Worker-4) Replace group tag number from null -> [CODE]01:01:06,025 INFO [DataManager] (AppScheduler_Worker-4) <<< updateAppointmentTagNum returns successfully. [CODE]02:00:00,233 INFO [RootDAO] (AppScheduler_Worker-1) Initializing hibernate configuration: hibernate.cfg.xml [CODE]02:00:00,233 INFO [RootDAO] (AppScheduler_Worker-1) loading configuration: hibernate.cfg.xml [CODE]02:00:00,249 INFO [RootDAO] (AppScheduler_Worker-1) load_mapping_from_package=es.data.hbm1, es.data.hbm2 [CODE]02:00:00,249 INFO [RootDAO] (AppScheduler_Worker-1) Loading more hbm files from package: es.data.hbm1 You may notice that the time changes from 01:01:06 to 02:00:00 , which indicates that the JBoss restarted itself. Thank you if anyone can provide me with a solution. And is there any method to prevent the JBoss from automatically restart ? any reason that causes the restart mechanism to run ? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4178466#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...