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?
A 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?
How do I use a less than or greater than on a message selector in ejb-jar.xml?
Match the ejb functions given below with the functionality equivalent in sql?
For 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?
Which is the only method defined in the javax.ejb.handle interface?
How does ejb invocation happens?
What is the procedure for the creation of stateless ejb?
What are the advantages of java beam?
Explain the important elements of ejb?
Explain the concept of connection pooling feature of ejb container?
What are the various types of entity beam?
What are the callback annotations for the stateless bean?
What do you understand by session facade?
Explain the concept of ejb ql?
