Hallo , server.log tells me always that im using Environment] Hibernate 3.2.4.sp1 where can i handle this ? i have an har archive with hibernate-service.xml and net.sf.hibernate.dialect.MySQLDialect there i get an error ' Could not instantiate dialect class' because hiberbate3 wants to instantiate an hibernate2 dialect. i removed deploy/jboss-hibernate.deployer because it alwys wanted an Harurl ....... i am also not shure if i should use "http:// "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd"> or can use also hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> ???? so many questions ??? i didnt found any good information View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4265103#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...