hibernate - 3.6.0.Final joda - 1.4 how to support direct joda.DateTime in pojo for hibernate

so can be session.saveOrUpdate(rateCodeId);

pojo

public class RateCodeId implements java.io.Serializable {

    private int roomId;
    private org.joda.Time.DateTime date;
}

hbm.xml

 <key-property name="date" type="org.joda.time.contrib.hibernate.PersistentDateTime">
        <column length="10" name="date" />
 </key-property>

ERROR:

org.hibernate.MappingException: Could not determine type for: org.joda.time.contrib.hibernate.PersistentDateTime

AND without "type=" ERROR

java.lang.ClassCastException: org.joda.time.DateTime cannot be cast to java.util.Date

java hibernate jodatime
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