Hi, Our server is throwing "org.hibernate.SessionException: Session is closed!" on everyday same time .... we cannot send the mails to our customers after there registration & payments. org.hibernate.exception.GenericJDBCException: Cannot open connection ERROR [org.hibernate.util.JDBCExceptionReporter] Transaction is not active: tx=TransactionImple < ac, BasicAction: a01d914:a62e:49f5b615:19a195 status: ActionStatus.ABORTED >; - nested throwable: (javax.resource.ResourceException: Transaction is not active: tx=TransactionImple < ac, BasicAction: a01d914:a62e:49f5b615:19a195 status: ActionStatus.ABORTED >) these are the following errors after SessionException. Please help me to find the solution. Thanks, Rosario View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4228872#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...