"mark.little(a)jboss.com" wrote : | Aren't you going to have to do this anyway if you have a crash failure, given that the map is in volatile store? Yes. The map will be repopulated on server startup with the state of any prepared txs from the log (db). So I guess this is a non issue- we just do the same if the tx instance is not found in the map. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3972272#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...