As an experiment I set the TransactionAttribute on my EJB to NotSupported. Surprizingly it worked without any problems. What really worries me is I have the hibernate config given below tying hibernate into JTA! | <jbpm-context> | <service name="persistence" factory="org.jbpm.persistence.jta.JtaDbPersistenceServiceFactory" /> | <factory> | <bean class="org.jbpm.persistence.db.DBPersistenceServiceFactory"> | <field name="isCurrentSessionEnabled"> | <false/> | </field> | <field name="isTransactionEnabled"> | <false/> | </field> | </bean> | </factory> | </service> | <service name="tx" factory="org.jbpm.tx.TxServiceFactory" /> | <service name="message" factory="org.jbpm.msg.db.DbMessageServiceFactory" /> | <service name="scheduler" factory="org.jbpm.scheduler.db.DbSchedulerServiceFactory" /> | <service name="logging" factory="org.jbpm.logging.db.DbLoggingServiceFactory" /> | <service name="authentication" factory="org.jbpm.security.authentication.DefaultAuthenticationServiceFactory" /> | </jbpm-context> | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4122631#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...