I am new to hibernate.......I have some errors in while Running my program using Ecllipse..

/****Table/****

create table student(sno number(20),sname varchar(20),mobile number(10),email varchar(20));

Table created.

//****POJO class***///


import java.io.Serializable;

public class Student implements Serializable {
private int sno;
private String sname;
private long mobile;
private String email;

public Student() {
}

public int getSno() {
return sno;
}

public void setSno(int sno) {
this.sno = sno;
}

public String getSname() {
return sname;
}

public void setSname(String sname) {
this.sname = sname;
}

public long getMobile() {
return mobile;
}

public void setMobile(long mobile) {
this.mobile = mobile;
}

public String getEmail() {
return email;
}

public void setEmail(String email) {
this.email = email;
}

}

/**ClientStudent.java***//

import org.hibernate.*;
import org.hibernate.cfg.Configuration;

class ClientStudent {

public static void main(String[] args) {


try{
Configuration cfg= new Configuration();
cfg.configure("/hibernate.cfg.xml");
SessionFactory factory = cfg.buildSessionFactory();
Session session = factory.openSession();
Transaction tx = session.beginTransaction();
student Sto = new student();
Sto.setSno(1);
Sto.setSname("saichand");
Sto.setMobile(412171);
Sto.setEmail("saichand_varanasi@yahoo.com");
session.save(Sto);
tx.commit();
session.close();

}catch(HibernateException ex)
{
ex.printStackTrace();
}
}

}
CONTd..........

/****Hibernate.cfg.xml***/
<?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">
<!-- Generated by MyEclipse Hibernate Tools. -->
<hibernate-configuration>
<session-factory>
<property name="myeclipse.connection.profile">
OracleEx
</property>
<property name="connection.driver_class">
sun.jdbc.odbc.JdbcOdbcDriver
</property>
<property name="connection.url">jdbc:odbc:dfi</property>
<property name="connection.username">system</property>
<property name="connection.password">tiger</property>
<property name="dialect">
org.hibernate.dialect.DB2400Dialect
</property>
<property name="show_sql">true</property>
<property name="format_sql">true</property>
<property name="use_sql_comments">true</property>
<property name="hibernate.transaction.factory_class">
org.hibernate.transaction.JDBCTransactionFactory
</property>
<property name="hibernate.connection.autocommit">
false
</property>
<mapping resource="student.hdm.xml" />
</session-factory>
</hibernate-configuration>

//**student.xml***/
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="student" table="student">
<id name="sno" column="sno" type="integer">
<generator class="assigned"/>
</id>
<property name="sname" column="sname" type="string"/>
<property name="mobile" column="mobile" type="string"/>
</class>
</hibernate-mapping>
These are the two .xml files......







log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" java.lang.ClassCastException: java.lang.Integer
at org.hibernate.type.StringType.toString(StringType.java:44)
at org.hibernate.type.NullableType.toLoggableString(NullableType.java:168)
at org.hibernate.pretty.Printer.toString(Printer.java:53)
at org.hibernate.pretty.Printer.toString(Printer.java:90)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:97)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:333)
at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
at ClientStudent.main(ClientStudent.java:21)