Deployment Issues
In this book, we will not be covering things like how to run a certain implementation of the J2EE or the exact details of variations of J2EE across vendors. In fact, we'll generally ignore detailed deployment issues, because they tend to be highly vendor specific and relate more to J2EE operation than architecture and design. Nevertheless, it is useful at this point to say a few things about how a J2EE application is packaged and deployed. Later, when I refer to something as being a deployment issue, it is often related to one or more of the aspects that I'm going to cover here.
Packaging
In terms of packaging, a J2EE application is stored in a file with an .ear extension (hereafter called an EAR file). An EAR file is the same ...
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