"eduacsp2" wrote : | So ...what is the advantage to use pool? "Connection pooling manages connections that are expensive to create and destroy. Connection pooling of expensive connections leads to better scalability and performance in an operational environment. The connection management contract provides support for connection pooling." View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4114234#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...