hi, I follow the steps described in chapter 8 in the jbpm starting guide, i create the db, i ran the scripts in order to create the tables , i gave permissions to localhost (trust) in the pg_hba.conf file, i made the changes specified in the server files, i create the jbpm-ds.xml file with the specification required, but when i launch the jboss, it lauch a warning jbpm data source not found i work with linux debian kernel 2.6.16 postgresql 8.1.4 (the jar file is for 8.0.3 but i check the docs and is the same driver for 8.1.4) jboss 4.0 thanks for any suggestions View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3966314#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...