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Which of the recommended practices to be performed in the ejbpassivate() method of a stateful session bean?
1114An instance of stateful session ejb when accessed simultaneously from more than one clients on same vm results in remoteexception or ejbexception. In case the client is a servlet thread, which of the techniques can be used to avoid remoteexception/ejbexception?
990A client wants to preserve the reference to the ejbhome object of an enterprise bean instance and use it later. Which of the following can be serialized for this purpose?
1003For ejb applications with bean-managed transaction demarcations, which of the following is used by the client to get a reference to the usertransaction object for the weblogic server domain?
1002
What is ejb and its architecture?
An instance of stateful session ejb when accessed simultaneously from more than one clients on same vm results in remoteexception or ejbexception. In case the client is a servlet thread, which of the techniques can be used to avoid remoteexception/ejbexception?
What is the difference between ejbcreate() and ejbpostcreate?
Define Context?
What happens when I change a value in the httpsession from inside an ejb?
What do you mean by re-entrant? Can you say that session beans as re-entrant? Can entity beans be specified as re-entrant?
Is having static initializer blocks legal in ejb?
What is the advantage of using entity bean for database operations, over directly using jdbc api to do database operations?
What is the difference between message driven beans and stateless session beans?
Is state maintained by a Stateless bean?
How does ejb invocation happens?
What are the components of session beam?
What is stateful or stateless?
Explain the architectural relationship between JavaBeans and JTA?
Why do we need ejb in java?
