Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Developer's Guide

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#### Using the Java Optional Package Mechanism

To use the Java optional package mechanism, copy the JAR and ZIP files into the domain-dir`/lib/ext` directory, then restart the server.

Using the Java optional package mechanism makes an application or module accessible to any other application or module across the domain.

For example, this is the recommended way of adding JDBC drivers to the Application Server. For a list of the JDBC drivers currently supported by the Application Server, see the Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Release Notes. For configurations of supported and other drivers, see Configurations for Specific JDBC Drivers.

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