Configuring Glassfish to Support Hibernate

This is just a short post to remember how I prepared Glassfish to use Hibernate 3 as a JPA persistence framework.

The first step is to add Hibernate libraries in #glassfish_home#/lib . Those libraries are:

• antlr-2.7.6.jar
• c3p0-0.9.1.jar
  
• cglib-nodep-2.1.3.jar
• commons-collections-2.1.1.jar
  
• commons-logging-1.0.4.jar
• concurrent-1.3.2.jar
  
• dom4j-1.6.1.jar
• ehcache-1.2.3.jar
  
• hibernate3.jar
• hibernate-annotations.jar
  
• hibernate-commons-annotations.jar
• hibernate-entitymanager.jar
• hibernate-validator.jar
• javassist.jar
• log4j-1.2.11.jar
• ojdbc14.jar

All these libraries are distributed with Hibernate on this web page: http://hibernate.org/6.html. There are even more libraries available, but the set above was compiled by an attempt/error approach, which was indeed a tough task. You have to restart Glassfish in order to use those new libraries.

The next step is to create a connection pool and a JDBC resource, but I will assume that you know how to do that or you have read a post like the one written by Jagadish.

Finally, you have to configure your persistence unit in order to use Hibernate. See parts of my persistence.xml file below:

‹persistence version="1.0"
xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"›
‹persistence-unit name="#persistence-unit-name#" transaction-type="JTA"›
‹provider›org.hibernate.ejb.HibernatePersistence‹/provider›
‹jta-data-source›#jdbc-datasource#‹/jta-data-source›
‹class>#persistence-class#‹/class›
... ‹!-- Your persistence classes --›
‹exclude-unlisted-classes›true‹/exclude-unlisted-classes>
‹properties›
‹property name="hibernate.dialect"
value="org.hibernate.dialect.Oracle10gDialect"/›
‹property name="hibernate.show_sql" value="false"/›
‹property name="hibernate.cache.provider_class"
value="org.hibernate.cache.HashtableCacheProvider"/›
‹/properties›
‹/persistence-unit›
‹/persistence›

Basically, you have to set the provider tag with "org.hibernate.ejb.HibernatePersistence" and set some properties according to specific needs. That's all!