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https://community.oracle.com/thread/1580134
Dec 16, 2003 · Hi, From "Enterprise Java Beans" 2nd edition OReilly : "The biggest difference between the stateful session bean and the other bean types is that stateful session beans don't use instance pooling. Stateful session beans are dedicated to one client for their entire life, so there is no swapping or pooling of instances.[12]
https://community.oracle.com/thread/1581646
Jan 13, 2003 · is container pool the instance of stateful session bean . Or any other technique to handle instance of stateful session bean apart from passivation and. Skip navigation. Oracle Community Directory; ... Stateful session bean instance pooling. 843829 Jan 13, 2003 10:04 AM
http://www.jguru.com/faq/view.jsp?EID=727891
May 07, 2012 · Reading the specs, in fact, there is no clear indication that a Stateful Session Bean is or is not pooled, while for the Stateless Session bean there is a specific paragraph (7.9.4 "Adding instance to the pool") that discuss the sequence for adding/removing an instance to/from the pool.
https://coderanch.com/t/155259/certification/Instance-pooling
Definetely stateful session beans have scalability problems and that is why most people prefer stateless beans over stateful session beans. Also, we have to remember that we must follow the EJB specification guidelines. SUN wanted to prevent users from setting bean pooling for stateful sesssion bean, so we really cannot do anything.
https://docs.oracle.com/javaee/6/tutorial/doc/gipjg.html
A stateless session bean can implement a web service, but a stateful session bean cannot. Singleton Session Beans. A singleton session bean is instantiated once per application and exists for the lifecycle of the application. Singleton session beans are designed for circumstances in which a single enterprise bean instance is shared across and ...
https://docs.oracle.com/javaee/5/tutorial/doc/bnbly.html
What Is a Session Bean? A session bean represents a single client inside the Application Server. To access an application that is deployed on the server, the client invokes the session bean’s methods. The session bean performs work for its client, shielding the client from complexity by executing business tasks inside the server.
http://www.adam-bien.com/roller/abien/entry/do_we_need_stateless_session
Do We Need Stateless Session Bean Pooling? ... not have any direct relationship to the container’s invocation of the PostConstruct/ejbCreate method on the stateless session bean instance ... An interesting note is that timing out Stateful beans has also never been a requirement despite the fact that every implementation has always done it.
https://stackoverflow.com/questions/3954352/pooling-of-stateful-session-beans
Oct 18, 2010 · Is it possible to do instance pooling of stateful session beans.. like if a stateful bean instance is being passivated, during the execution of prepassivate() remove all the state information associated with it and send it to the pool, if a request is received from a client during the postActivate() restore the state to an instance picked from the pool and proceed.
https://en.wikipedia.org/wiki/Session_Beans
Stateful Session Beans. Stateful Session Beans are business objects having state: that is, they keep track of which calling client they are dealing with throughout a session and thus access to the bean instance is strictly limited to only one client at a time.
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