I have tihs trouble. I have a EJB Web Service that runs great. I install the application (EAR) in WAS 5.0 and it works, but after 30 minutes approximately when a i try to access the Web Service I get the message "Socket Closed". I have two ways for the proxy client, a Java application and a JSP. In both of them I got the same message. I don't know if it's related to the Session time.