Usually this is because of a mistake in the JAR file being loaded. In the meantime, typical errors include:
► The MANIFEST file uses classes using the wrong file separator ("/" should be used in all platforms).
► The MANIFEST file refers to classes in a package but the actual .class files are not really in that package.
What is session Facade in EJB?
How many enterprise beans?
What are the key features of the EJB technology?
The EJB container implements the EJBHome and EJBObject classes. For every request from a unique client, does the container create a separate instance of the generated EJBHome and EJBObject classes?
Is it possible to share an HttpSession between a JSP and EJB? What happens when I change a value in the HttpSession from inside an EJB?
What are the key benefits of the EJB technology?
Can you control when passivation occurs?
What is the advantage of using Entity bean for database operations, over directly using JDBC API to do database operations? When would I use one over the other?
How EJB Invocation happens?
What is Entity Bean and Session Bean ?
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