Hello everyone I am new at Hibernate.
I am trying one to many relationship in State and City Table
While trying to insert values in a City table with the code
void insertCity()
{
City ct=new City();
Session session=null;
ct.setCityName("GANDHINAGAR");
ct.setStateName("GUJRAT");

try{
SessionFactory sessionFactory=new Configuration().configure().buildSessionFactory();
session = sessionFactory.openSession();
}
catch(Exception e){
System.out.println("Error"+e);
}
finally{
session.save(ct);
System.out.println("One City Inserted Successfully!!!");
session.flush();
Transaction tx = session.beginTransaction();
tx.commit();
}
}

The value of City GANDHINAGAR is inserted but instead of GUJRAT , null is inserted in the City table.....
Please give the solution.........

What is your hbm file mapping for both State and City table.

My hbm files are as follows:
---------------------------------
State.hbm.xml

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.dataObject.State" table="STATE">
<id name="StateName" type="java.lang.String">
<column name="STATE_NAME"></column>
</id>
<property name="Capital">
<column name="CAPITAL"></column>
</property>
<bag name="cityList" cascade="all">
<key column="STATE_NAME" />
<one-to-many class="com.dataObject.City" />
</bag>

</class>
</hibernate-mapping>

------------------------------------------------
City.hbm.xml

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="com.dataObject">
<class name="City" table="CITY">
<id name="CityName" type="java.lang.String">
<column name="CITY_NAME"></column>
</id>

</class>
</hibernate-mapping>

Got the problem....

must have included the property


<property name="StateName" type="java.lang.String">
<column name="STATE_NAME"></column>
</property>


in City.hbm.xml




anyways thanks.