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A current DayTrader project implementation in Apache Geronimo contains several JPQL queries. These can easily be converted to JPA Criteria API queries. A sample with this conversion can be created to run on either the Apache Geronimo server or the WebSphere Application Server with the built-in Derby database.
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The following patch can be applied using a system or downloaded patch utility. (For example, you can get a patch utility for Windows from http://gnuwin32.sourceforge.net/packages/patch.htm.)
for Geronimo - daytrader_geronimo.patch
for WebSphere - daytrader_websphere.patch
Download the appropriate Download this patch and go to the DayTrader/branches.2.1.3 directory to apply it. For example, with the patch utility mentioned above, you can type:
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