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Author Message
 Post subject: Unable to connect accessdb
PostPosted: Wed Aug 03, 2011 4:28 am 
Newbie

Joined: Wed Aug 03, 2011 4:17 am
Posts: 1
I am trying to connect the access db with hibernate, I know that it is not officially supported db from hibernate still for a specific reason I need to connect the access db(.mdb).

While I try to insert, I got an error like "Cannot open connection"
I am totally confused.....

Please find the below code,

....................................................................................................................................
hibernate.cfg.xml,

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

<session-factory>
<!-- <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property> -->
<property name="hibernate.connection.driver_class">sun.jdbc.odbc.JdbcOdbcDriver</property>
<!-- <property name="hibernate.connection.url">jdbc:mysql://localhost/hibernatetutorial</property> -->
<property name="hibernate.connection.url">jdbc:odbc:;DRIVER=Microsoft Access Driver (*.mdb);DBQ=D:\mdb\store2.mdb</property>
<property name="hibernate.connection.username">user</property>
<property name="hibernate.connection.password">user</property>
<property name="hibernate.connection.pool_size">100</property>
<property name="show_sql">true</property>
<!-- <property name="dialect">org.hibernate.dialect.MySQLDialect</property> -->
<property name="hibernate.dialect">com.custom.dialect.MSAccessDialect</property>
<!--<property name="hibernate.hbm2ddl.auto">update</property>-->
<!-- Mapping files -->
<mapping resource="contact.hbm.xml"/>
</session-factory>
</hibernate-configuration>

....................................................................................................................................
Hibernate Util Class:

package com.web.util;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {

public static final SessionFactory sessionFactory;

static {
try {
// Create the SessionFactory from hibernate.cfg.xml
Configuration config = new Configuration().configure();
sessionFactory = config.buildSessionFactory();
System.out.println("Successfully Created SessionFactory");
} catch (Throwable ex) {
// Make sure you log the exception, as it might be swallowed
System.err.println("Initial SessionFactory creation failed." + ex);
throw new ExceptionInInitializerError(ex);
}
}

public static final ThreadLocal session = new ThreadLocal();

public static Session currentSession() throws HibernateException {

Session s = (Session) session.get();

// Open a new Session, if this thread has none yet
if (s == null) {

s = sessionFactory.openSession();

// Store it in the ThreadLocal variable
session.set(s);
}
return s;
}

public static void closeSession() throws HibernateException {
Session s = (Session) session.get();
if (s != null)
s.close();
session.set(null);
}
}

....................................................................................................................................




....................................................................................................................................

Test Run Class:
package com.test.run;


import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

import com.web.model.Contact;
import com.web.util.HibernateUtil;


public class FirstExample {
public static void main(String[] args) {
Session session = null;
Transaction transaction = null;

try{
// This step will read hibernate.cfg.xml and prepare hibernate for use
session = HibernateUtil.currentSession();
System.out.println(session.toString());
//Create new instance of Contact and set values in it by reading them from form object
Contact contact = new Contact();
//contact.setId(2);
contact.setFirstName("ss");
contact.setLastName("dd");
contact.setPassword("ff");
session.saveOrUpdate(contact);
System.out.println("Done");

}catch(Exception e){
System.out.println(e.getMessage());
}finally{
// Actual contact insertion will happen at this step
HibernateUtil.closeSession();

}

}
}
....................................................................................................................................

Please help me out.

Thanks in advance.

Thanks,
Soumya


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