private final SessionFactory sessionFactory = getSessionFactory();

   protected SessionFactory getSessionFactory() {
      try {
         return (SessionFactory) new InitialContext()
               .lookup("SessionFactory");
      } catch (Exception e) {
         log.error("Could not locate SessionFactory in JNDI", e);
         throw new IllegalStateException(
               "Could not locate SessionFactory in JNDI");
      }
   }

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
      "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
      "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>
        <property name="hibernate.connection.driver_class">org.gjt.mm.mysql.Driver</property>
        <property name="hibernate.connection.password">password</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/online_bank</property>
        <property name="hibernate.connection.username">user</property>
        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
    </session-factory>
</hibernate-configuration>
 

  <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-reverse-engineering PUBLIC "-//Hibernate/Hibernate Reverse Engineering DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-reverse-engineering-3.0.dtd" >

<hibernate-reverse-engineering>
  <table-filter match-catalog="online_bank" match-name="account_type"/>
  <table-filter match-catalog="online_bank" match-name="admin"/>
  <table-filter match-catalog="online_bank" match-name="admin_login"/>
  <table-filter match-catalog="online_bank" match-name="admin_passwords"/>
  <table-filter match-catalog="online_bank" match-name="cust_login"/>
  <table-filter match-catalog="online_bank" match-name="cust_passwords"/>
  <table-filter match-catalog="online_bank" match-name="customer"/>
  <table-filter match-catalog="online_bank" match-name="invalid_admin_login"/>
  <table-filter match-catalog="online_bank" match-name="invalid_cust_login"/>
  <table-filter match-catalog="online_bank" match-name="transaction_type"/>
  <table-filter match-catalog="online_bank" match-name="transactions"/>
</hibernate-reverse-engineering>

<!-- JDBC connection pool (use the built-in) -->
        <property name="connection.pool_size">1</property>

        <!-- SQL dialect -->
        <property name="dialect">org.hibernate.dialect.HSQLDialect</property>

        <!-- Enable Hibernate's automatic session context management -->
        <property name="current_session_context_class">thread</property>

        <!-- Disable the second-level cache  -->
        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>

        <!-- Echo all executed SQL to stdout -->
        <property name="show_sql">true</property>

        <!-- Drop and re-create the database schema on startup -->
        <property name="hbm2ddl.auto">create</property>

        <mapping resource="events/Event.hbm.xml"/>