Hi Peter I have added the following property in the following files. | <property name="dialect">org.hibernate.dialect.Oracle9Dialect</property> | ..\deploy\jboss-portal.sar\conf\hibernate\instance\hibernate.cfg.xml ..\deploy\jboss-portal.sar\conf\hibernate\portal\hibernate.cfg.xml ..\deploy\jboss-portal.sar\conf\hibernate\portlet\hibernate.cfg.xml ..\deploy\jboss-portal.sar\conf\hibernate\user\hibernate.cfg.xml Still I have the same problem. Is there any other setting I need to do. Your valuable input would definetly helpful. Thanks in advance. Raj View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4092033#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...