anonymous wrote : Caused by: java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]El nombre de columna 'numeroLinea' no es válido. This seems to be the root-cause of the exception. I don't understand that language, but you might probably be able to understand what it's trying to say. Btw, do you see any SQL that's generated, somewhere before this exception stacktrace? If yes, can you post it? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4144394#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...