VRaptor Hibernate 4 Plugin provides support to use with Hibernate 4 if you are using VRaptor 3. For VRaptor 4 releases checkout http://github.com/caelum/vraptor-hibernate.
You only need to copy the jar to your classpath. VRaptor will register plugin when your application starts without any configurations. Downloads are available in here or in Maven Repository:
<dependency>
<groupId>br.com.caelum.vraptor</groupId>
<artifactId>vraptor-plugin-hibernate4</artifactId>
<version>1.0.0</version> <!--- or the last version --->
</dependency>
This plugin optional supports VRaptor Environment. If vraptor-environment jar is available in classpath, environment supports will be activated.
See instructions here: https://github.com/caelum/vraptor-environment