struts和hibernate简单问题

/**

* @param args

*/

private Session session;

private Logger log;

public static void main(String[] args) {

MyTest myTest = new MyTest();

try{

myTest.setUp();

myTest.testCreateDomains();

myTest.testAddRemoveRelation();

//myTest.listBooks();

myTest.tearDown();

}catch(Exception e){

e.printStackTrace();

}

}

private void testCreateDomains(){

Transaction tx = session.beginTransaction();

Book book = new Book();

book.setAuthor("Sebastian");

book.setTitle("Hibernate in Winter");

book.setBorrowallowed(new Short((short)1));

session.save(book);

tx.commit();

tx = session.beginTransaction();

Customer customer = new Customer();

customer.setFirstname("Carsten");

customer.setLastname("Liebzeit");