Wolf-Dieter Fink [https://community.jboss.org/people/wdfink] created the discussion "Re: Problem while closing connection (wrappedConnection) retrieved from JBoss 5 pool." To view the discussion, visit: https://community.jboss.org/message/715268#715268 -------------------------------------------------------------- I'm a bit confused ;) @TransactionManagement==BEAN is the annotation to handle transactions in the code @TransactionAttribute is the annotation for container managed transactions So I think you have a mixture of it and a wrong expectation. I would recommend to have the working SLSB with a new transaction to process the data and remove the entry of the map after it is complete. -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/715268#715268] Start a new discussion in Datasource Configuration at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]