Dan is away atm, but sent me this anonymous wrote : Interesting...when I added the H2MetadataDialect I just added all the ones that are available. Looks like there is some sort of problem with the postgres one (aside from the spelling error in the class name). We might want to see if this is a hibernate-tools issue or whether there is something about this person's database that is strange. Please file a JIRA issue so we get this fixed for the GA. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4092798#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...