Chapter 12. Administering and Deploying Applications in WebLogic Server

In this chapter, we discuss the finer points of WebLogic Server administration. If you are unfamiliar with WebLogic Server administration, you should consult the WebLogic Server documentation at Link 12-1, as listed in the online Appendix on the book's web site at, for more information. We begin by reviewing the key WebLogic Server architectural concepts. The purpose of this discussion is to give you a big picture understanding of how the WebLogic Server product works. Next, we discuss WebLogic Server administration concepts. Finally, we end the chapter by discussing WebLogic Server configuration, management, and monitoring.

WebLogic Architecture Key Concepts

In this section, we review some of the key concepts associated with the WebLogic Server deployment architecture. Before jumping into the details, we need to define a few terms that will be used throughout the rest of this chapter. In this chapter, the terms server and instance are used to describe a Java Virtual Machine process that is running the WebLogic Server software program. We use the term machine to describe a computer with its own CPU, memory, and secondary storage that is running its own copy of the operating system software. Even though it is often possible to partition large computers into several logical, smaller computers, we will not make a distinction between multiple machines that, through logical partitioning, are part ...

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