Vítor Corrêa [https://community.jboss.org/people/vcorrea] created the discussion "Re: Problem while closing connection (wrappedConnection) retrieved from JBoss 5 pool." To view the discussion, visit: https://community.jboss.org/message/779745#779745 -------------------------------------------------------------- What is happening is that you're closing the underlyingConnection, but the WrapperConnection still keep alive. -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/779745#779745] Start a new discussion in Datasource Configuration at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]