Mathis try this:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>hibernate3-maven-plugin</artifactId>
<version>2.0-alpha-2</version>
<configuration>
<components>
<component>
<name>hbm2ddl</name>
<implementation>annotationconfiguration</implementation>
</component>
<component>
<name>hbm2hbmxml</name>
<outputDirectory>src/main/resources</outputDirectory>
</component>
</components>
<componentProperties>
<drop>true</drop>
<create>true</create>
<configurationfile>src/main/resources/hibernate.cfg.xml</configurationfile>
<outputfilename>schema.sql</outputfilename>
</componentProperties>
</configuration>
<executions>
<execution>
<phase>generate-sources</phase>
<goals>
<goal>hbm2ddl</goal>
</goals>
</execution>
</executions>
</plugin>
Regards
Johann Reyes
