Are you getting an incompatible type or are you getting an incompatible DocumentStore class from another classloader? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4088941#4088941 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4088941