Summary
EJB application servers are sophisticated pieces of software and offer a number of services to greatly increase the productivity of the development process. These servers offer more than just plumbing; they offer services for transactions, security, and many other useful services. Although many components make up a J2EE application, all these components interrelate and communicate the same way. The fundamental goals of a server component architecture are to
Create a server whose methods are extensible at runtime.
Deploy an accounting package, drop it into a running server, and use the client software that came with the package to access the server functionality, all without even shutting down the server, much less recompiling it.
The ...
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