Hi,

I need some help.
I'm trying to join aone table to others and I've the following error :
Initial SessionFactory creation failed.org.hibernate.MappingException: Association references unmapped class: DefaultLoggingEventThrowable
java.lang.NoClassDefFoundError


See above my mapping files :

<?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 default-lazy="false">
<class name="net.sf.hiberlog.DefaultLoggingEvent" table="LOGGER" >
<id name="id" type="integer" column="ID_LOGGER" >
<generator class="native"/>
</id>
<set name="throwableMessages" inverse="true" cascade="all-delete-orphan">
<key column="ID_LOGGER"/>
<one-to-many class="DefaultLoggingEventThrowable"/>
</set>
<property column="MESSAGE" name="message" not-null="true" type="string"/>
<property column="CLASS_NAME" name="className" not-null="true" type="string"/>
<property column="LINE_NUMBER" name="lineNumber" not-null="true" type="string"/>
<property column="LEVEL_NUMBER" name="level" not-null="true" type="string"/>
<property column="FILE_NAME" name="fileName" not-null="true" type="string"/>
<property column="METHOD_NAME" name="methodName" not-null="true" type="string"/>
<property column="LOGGER_NAME" name="loggerName" not-null="true" type="string"/>
<property column="THREAD_NAME" name="threadName" not-null="true" type="string"/>
<property column="START_DATE" name="startDate" not-null="true" type="date"/>
<property column="LOG_DATE" name="logDate" not-null="true" type="date"/>
</class>
</hibernate-mapping>


and


<?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 default-lazy="false">
<class name="net.sf.hiberlog.DefaultLoggingEventThrowable" table="LOG_THROWABLE" >
<id name="id" type="integer" column="LOG_ID" >
<generator class="native"/>
</id>
<!-- many-to-one class="DefaultLoggingEvent" name="FkLoggerId" not-null="true">
<column name="ID_LOGGER"/>
</many-to-one-->
<property column="POSITION" name="position" not-null="true" type="integer"/>
<property column="MESSAGE" name="message" not-null="true" type="string"/>
</class>
</hibernate-mapping>


Could you please help me to find the error ?

Regards