I had the same problem too, my query expects 4 parameters, two of them are USERNAME and PASSWORD. In RC7/RC8 this query works fine but in RC9 somethings get wrong when username and password have the same value (id usr=admin,pas=admin)! Is Query.setParameter(key,val) bugged? It seams that putting parameters with same value (BUT different key) one parameter is lost, any suggestion? best regards Zerbit View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3974163#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...