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ids for this class must be manually assigned before calling save()

 
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I have two table

Xydataa and Fm4featuress

ID->PK
Fm4features

ID-PK-FK
DataId-pk

mapping file

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated Apr 8, 2010 4:08:07 PM by Hibernate Tools 3.2.1.GA -->
<hibernate-mapping>
<class name="test.Xydataa" table="xydataa" catalog="navl">
<id name="id" type="java.lang.Integer">
<column name="ID" />
<generator class="identity" />
</id>
<property name="longi" type="string">
<column name="Longi" />
</property>
<property name="lat" type="string">
<column name="Lat" />
</property>
<property name="altitude" type="int">
<column name="Altitude" not-null="true" />
</property>
<property name="angle" type="int">
<column name="Angle" not-null="true" />
</property>
<property name="satellite" type="int">
<column name="Satellite" not-null="true" />
</property>
<property name="speed" type="int">
<column name="Speed" not-null="true" />
</property>
<property name="objectId" type="int">
<column name="ObjectId" not-null="true" />
</property>
<property name="clientId" type="int">
<column name="ClientId" not-null="true" />
</property>
<property name="gpsTime" type="string">
<column name="GpsTime" length="19" not-null="false" />
</property>
<property name="location" type="string">
<column name="Location" />
</property>
<property name="city" type="string">
<column name="City" />
</property>
<property name="state" type="string">
<column name="State" />
</property>
<property name="distance" type="string">
<column name="Distance" length="100" />
</property>
<property name="times" type="timestamp">
<column name="Times" length="19" not-null="false" />
</property>
<set name="objtablees" inverse="true">
<key>
<column name="ID" not-null="true" unique="true" />
</key>
<one-to-many class="test.Objtablee" />
</set>
<set name="fm4featuresses" cascade="all" inverse="true">
<key>
<column name="ID" not-null="true" />
</key>
<one-to-many class="test.Fm4featuress" />
</set>
</class>
</hibernate-mapping>


Fm4featuress.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">
<!-- Generated Apr 8, 2010 4:08:07 PM by Hibernate Tools 3.2.1.GA -->
<hibernate-mapping>
<class name="test.Fm4featuress" table="fm4featuress" catalog="navl">
<composite-id name="id" class="test.Fm4featuressId">
<key-many-to-one name="id" class="test.Xydataa" column="ID" />
<key-property name="dataId" column="DataId"/>
</composite-id>
<property name="value" type="string">
<column name="Value" length="20" not-null="true" />
</property>
</class>
</hibernate-mapping>

Main Class

from open session to close session

Error Stack Trace

org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): test.Fm4featuress
at org.hibernate.id.Assigned.generate(Assigned.java:33)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:99)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:94)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:507)
at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:499)
at org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:218)
at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)
at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
at org.hibernate.event.def.AbstractSaveEventListener.cascadeAfterSave(AbstractSaveEventListener.java:456)
at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:334)
at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187)
at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172)
at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:535)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:523)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:519)


I got this error

Please help any one me what ia m doing wrong

i need the ouput

Xydataa

1 4 5
2 4 8
5 8 0

Fm4featuress
ID DataID
1 3
1 5
1 8
1 ...
2
2
2
2
5
5
5
5


Advance Thanks
reply
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