Thank you, I will try tomorrow to put all all this together. anonymous wrote : From the 4.3.0.GA docs: could you give me an url for this doc, and where it is explain how configure jbossjta-properties.xml and so on ? anonymous wrote : Note that JBossTS 4.3 provides a JTA 1.1 implementation, whereas JBossAS 4.2 ships the JTA 1.0.1b API files. yes, thank you, very useful information. anonymous wrote : a) have more than one such webapp or Yes I have several but each in a separate tomcat server. I prefer to put in the webapp, so this way, the webapp represents the entire application. b) actually expect crash recovery to work. I didn't know that was a jboss ta functionnality. and I'll look forward on this. anonymous wrote : BTW, do you expect the database connections used by your app to participate in the managed transaction? No I have no database, only in-memory data. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4163706#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...