1.2.1 GA. The reason is 'Error: "_id19": ????.', translating into English as 'Error:"_id19":invalid option. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4043451#4043451 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4043451