Using hibernate distribution 3.3.2.GA (here's my config xml, mapping xml, POJO and save code)
<!DOCTYPE hibernate-configuration SYSTEM "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.url">jdbc:mysql://localhost:3306/swift</property>
<property name="hibernate.connection.username">root</property>
<property name="connection.password"></property>
<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- Use the C3P0 connection pool provider -->
<property name="hibernate.c3p0.acquire_increment">1</property>
<property name="hibernate.c3p0.idle_test_period">100</property> <!-- seconds -->
<property name="hibernate.c3p0.max_size">100</property>
<property name="hibernate.c3p0.max_statements">0</property>
<property name="hibernate.c3p0.min_size">10</property>
<property name="hibernate.c3p0.timeout">100</property> <!-- seconds -->
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<property name="hibernate.default_entity_mode">pojo</property>
<!-- List of mappings-->
<mapping resource="com/nnnn/swift/service/data/TypeValuePair.hbm.xml"/>
<mapping resource="com/nnnn/swift/service/data/DataParameterData.hbm.xml"/>
<mapping resource="com/nnnn/swift/service/data/DataParameterAttributesData.hbm.xml"/>
<mapping resource="com/nnnn/swift/service/data/SensorData.hbm.xml"/>
<mapping resource="com/nnnn/swift/service/data/CalculatedValue.hbm.xml"/>
<mapping resource="com/nnnn/swift/service/data/LocationData.hbm.xml"/>
<mapping resource="com/nnnn/swift/service/data/MagneticObservatoryNetworkData.hbm.xml"/>
<mapping resource="com/nnnn/swift/service/data/SatelliteData.hbm.xml"/>
<mapping resource="com/nnnn/swift/service/data/SpaceWxData.hbm.xml"/>
</session-factory>
</hibernate-configuration>
<?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.tdkc.swift.service.data" default-cascade="all">
<class entity-name="com.tdkc.swift.service.data.SpaceWxData">
<id name="id"
type="long"
column="spaceWxDataId">
<generator class="identity"/>
</id>
<!-- One-to-One with FK -->
<many-to-one name="Satellite"
class="com.tdkc.swift.service.data.SatelliteData"
column="satelliteId"
unique="true"
not-null="true"/>
<!-- One-to-One with FK -->
<many-to-one name="MagneticObservatoryNetwork"
class="com.tdkc.swift.service.data.MagneticObservatoryNetworkData"
column="magneticObservatoryNetworkId"
unique="true"
not-null="true"/>
</class>
</hibernate-mapping>
public class SpaceWxData implements IXMLSerialization {
private Long id;
private SatelliteData satellite = null;
private String msgGenDateTime = "";
private MagneticObservatoryNetworkData magObNetwork = null;
public SpaceWxData(){}
public Long getId() {
return id;
}
private void setId(Long id) {
this.id = id;
}
/**
* @return the msgGenDateTime
*/
public String getMsgGenDateTime() {
return msgGenDateTime;
}
/**
* @param msgGenDateTime the msgGenDateTime to set
*/
public void setMsgGenDateTime(String msgGenDateTime) {
this.msgGenDateTime = msgGenDateTime;
}
/**
* @return the satellite
*/
public SatelliteData getSatellite() {
return satellite;
}
/**
* @param satellite the satellite to set
*/
public void setSatellite(SatelliteData satellite) {
this.satellite = satellite;
}
/**
* @return the magObNetwork
*/
public MagneticObservatoryNetworkData getMagObNetwork() {
return magObNetwork;
}
/**
* @param magObNetwork the magObNetwork to set
*/
public void setMagObNetwork(MagneticObservatoryNetworkData magObNetwork) {
this.magObNetwork = magObNetwork;
}
}
private void saveSpaceWxData(SpaceWxData spaceWx) {
Session session = HibernateUtil.getSessionFactory().openSession();
session.beginTransaction();
Long generatedId = (Long) session.save(spaceWx);
session.getTransaction().commit();
}
When the save method is called, it throws the following error:
java.lang.ClassCastException: com.tdkc.swift.service.data.SpaceWxData
at org.hibernate.property.MapAccessor$MapGetter.get(MapAccessor.java:90)
at org.hibernate.tuple.entity.AbstractEntityTuplizer.getPropertyValue(AbstractEntityTuplizer.java:293)
at org.hibernate.persister.entity.AbstractEntityPersister.getPropertyValue(AbstractEntityPersister.java:3650)
at org.hibernate.engine.Cascade.cascade(Cascade.java:154)
at org.hibernate.event.def.AbstractSaveEventListener.cascadeBeforeSave(AbstractSaveEventListener.java:454)
at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:288)
at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:204)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:130)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210)
at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:566)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:554)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:550)
at com.nnnn.swift.service.persistence.SpaceWxStorage.saveSpaceWxData(SpaceWxStorage.java:39)
It seems that it's trying to cast my SpaceWxData object to a java.util.Map object when i debug the code.
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