anonymous wrote : Table 'b04042.bookbank' doesn't exist So does this table exist? anonymous wrote : | also please give me a good resource of "EJB3 persistance , how the configurations should be done in JBOSS , etc etc .." for a beginner See Chapter 3 at http://docs.jboss.org/ejb3/app-server/reference/build/reference/en/html/i... While posting the logs, code or xml content remember to wrap it in a code block using the Code button in the message editor window and please hit the Preview button to make sure your post is correctly formatted View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4137795#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...