VRaptor Hibernate 4 Plugin provides support to use with Hibernate 4.

The current plugin embedded into VRaptor doesn't work with Hibernate 4 because SessionFactory creation are diferent in this version.

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 downloads area or in Maven Repository:

<dependency>
  <groupId>br.com.caelum.vraptor</groupId>
  <artifactId>vraptor-plugin-hibernate4</artifactId>
  <version>1.0.0</version>
</dependency>

This plugin supports VRaptor Environment. See instructions here: https://github.com/caelum/vraptor-environment