Currently with OpenJPA, we ship with the following jars in the lib/ directory:

  * commons-lang-2.1.jar
  * commons-collections-3.2.jar
  * geronimo-jta_1.0.1B_spec-1.0.1.jar
  * geronimo-jpa_3.0_spec-1.0.jar
  * geronimo-j2ee-connector_1.5_spec-1.0.1.jar
  * serp-1.11.0.jar
- commons-logging-1.0.4.jar (used only in CommonsLogFactory when logging is configured to use commons) - commons-pool-1.3.jar (used only in TCPRemoteCommitProvider for distributed data caching) - geronimo-jms_1.1_spec-1.0.1.jar (used only in JMSRemoteCommitProvider for distributed data caching) - derby- (provided only as a convenience for getting started with the examples quickly)

The jars marked with stars (*) are the only ones that are actually required for OpenJPA to function in the common cases (the examples included in the distribution all run if you have just the starred libraries + derby).

My question: should we differentiate between the required libraries and the optional ones (perhaps by putting them in an /optional/ directory or something)? Does anyone have experience with how this is done with other Apache projects?

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