Hi again Ognjen:
I've just discovered where my error was. Some lines before adding my PostgreSQL package dependency, I had this another one: <dependency> <groupId>${jdbcDriver.groupId}</groupId> <artifactId>${jdbcDriver.artifactId}</artifactId> <version>${jdbcDriver.version}</version> <scope>test</scope> </dependency> And that scope parameter, made Maven ignore the dependency until the test phase... Once removed, everything works fine. Thank you very much for your time. Santiago.