You mean C:\jboss-4.2.2.GA\server\default\lib\hsqldb.jar!? I allready did that. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4120851#4120851 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4120851