In  Java EE SDK Runs Seam I outlined some steps for getting Seam (the JBoss application framework that unifies JSF and EJB 3.0) to run on GlassFish with Hibernate as the persistence layer.  Now, we'll see how we can have Seam running on GlassFish with the Java Persistence API as the persistence layer.  For completeness, I'll go over the prerequisites and setup as described in Java EE SDK Runs Seam because their are some subtle differences along the way.

Prerequisites:

1. A working build environment with ant, at least JDK 5, and GlassFish (build 43 or later).
2. You'll need to use some of the Hibernate libraries that the Seam framework depends on:
   
• Download and install Hibernate3 3.2cr1.
• Download and install Hibernate EntityManager 3.1 beta7 .  Note that hibernate-entitymanager.jar is not required because we'll be using Java Persistence.  However, hibernate-annotations.jar is still required, because the Seam framework uses classes from the Hibernate validator package.
  
• Copy the required hibernate jars into Glassfish lib dir. The script here contains the list of jars.
• Edit the script to make sure it references your Glassfish and Hibernate install directories.
• Execute the script.
  

Seam Setup:

1. Download and install the Seam 1.0beta2 release from here.  You should see a jboss-seam-1.0beta2 directory.
2. Get the zip files: seam-core-patch.zip and seam-booking-jpersist-patch.zip . 
   
3. Go to the jboss-seam-1.0beta2 directory and unzip seam-core-patch.zip and seam-booking-jpersist-patch.zip.

Compilation Procedure:

1. Copy <glassfish install dir >/lib/javaee.jar to jboss-seam-1.0beta2/lib directory.
2. Copy jboss-seam-1.0beta2/lib/jboss-common.jar <glassfish install dir>/lib  (needed for JBoss Logger)
   
3. Compile Seam core classes:
• Create an empty jboss-seam-1.0beta2/src/test directory (the build file is looking for this directory that is not there from the seam zip file).
  
• Go to jboss-seam-1.0beta2 directory;  ant;
4. Compile Seam Booking Application:
• Copy jboss-seam-1.0beta2/jboss-seam-ui.jar to jboss-seam-1.0beta2/examples/booking/resources/WEB-INF/lib
• Go to jboss-seam-1.0beta2/examples/booking
• ant

Deploy the application:

1. Start up Glassfish.
2. Start the database:  <glassfish install dir>/bin/asadmin start-database
3. Deploy jboss-seam-1.0beta2/examples/booking/build/jboss-seam-booking.ear

Load the database:

1. Go to jboss-seam-1.0beta2/examples/booking/resources
2. set your CLASSPATH so that it is:
• CLASSPATH=<glassfish install dir>/javadb/lib/derbyclient.jar:<glassfish install dir>/javadb/lib/derbytools.jar:<glassfish install dir>/javadb/lib/derby.jar:.
3. java -Dij.driver='org.apache.derby.jdbc.ClientDriver' org.apache.derby.tools.ij
4. At the Derby ij prompt connect to the default database:
   
• connect 'jdbc:derby://localhost:1527//<glassfish install dir>/bin/sun-appserv-samples';
• For example: connect 'jdbc:derby://localhost:1527///home/work/glassfish/bin/sun-appserv-samples';
• run 'import.sql';

• Now the Seam application tables should be loaded.

Run the application:

• visit localhost:8080/seam-booking
  

You can refer to Java EE SDK Runs Seam for an explanation of the Seam core modules and the Seam Booking application modules that required modification.  Those modifications are essentially the same with the exception of the following modifications to some Booking application modules:

    examples/booking/resources/META-INF/persistence.xml
            ----> updated for application with GlassFish and Java Persistence
    examples/booking/src/org/jboss/seam/example/booking/BookingListAction.java
    examples/booking/src/org/jboss/seam/example/booking/HotelBookingAction.java
    examples/booking/src/org/jboss/seam/example/booking/LoginAction.java
    examples/booking/src/org/jboss/seam/example/booking/RegisterAction.java
           ----> made SQL queries complete for Java Persistence.