anonymous wrote : at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:76) | at com.eni.dvtejb.metier.sessions.StockTimerService.verifierStocks(StockTimerService.java:64) | anonymous wrote : | 10:37:22,853 ERROR [JDBCExceptionReporter] Could not enlist in transaction on entering meta-aware ob | ject!; - nested throwable: (javax.transaction.SystemException: java.lang.Throwable: Unabled to enlis | t resource, see the previous warnings. tx=TransactionImple < ac, BasicAction: -3f57c7ff:cec5:4b0a5793:64 status: ActionStatus.ABORT_ONLY >) Looks like you are trying to run that query when the transaction is already marked for rollback (probably because of some exception earlier). View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4266993#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...