WebLogic Server is an industrialstrength application server developed and marketed by BEA Systems, Inc. of San Jose, California. WebLogic is a pureJava implementation of the Java 2 Platform, Enterprise Edition, more commonly known as J2EE. J2EE represents Sun’s serious effort to make Java a powerful platform for developing enterprise applications. It defines a set of runtime architectures, network services, and application programming interfaces (APIs) that make it easy for developers to write distributed, networkaware software components and applications. WebLogic has long been recognized as one of the best ( if not the best ) J2EE implementations on the market.