Tighten code a bit PostgreSQL database names might also contain dots and since the extra pattern matches a subset of the other, it will never match anyhow. Thus remove the extra pattern, a lot of duplicate code and some superfluous debug logging.

<?xml version="1.0" encoding="UTF-8" ?>
<datacage>
    <user>SA</user>
    <password/>
    <driver>org.h2.Driver</driver>
    <url>jdbc:h2:${artifacts.config.dir}/../datacagedb/datacage</url>
</datacage>