"vickyk" wrote : After going though the JCA specs I could make that there is one-one relationship between ConnectionEventListener AND ManagedConnection. | In the BaseWrapperManagedConnection | Where? That is not correct. The fact that we only register one ConnectionEventListener (the connection manager) is an implementation detail of ours, it is not in the spec, you can have many listeners if you want. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4112210#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...