look this mapping

<hibernate-mapping>
<class name="br.com.agendanet.negocio.Pessoa" table="TB_PESSOA">
<id name="id" column="CD_PESSOA" type="string">
<generator class="uuid.hex" />
</id>

<set name="eventos" table="TB_EVENTOS" inverse="true" lazy="true" cascade="all">
<key column="CD_PESSOA"/>
<one-to-many class="br.com.agendanet.negocio.Eventos"/>
</set>
</class>

<class name="br.com.agendanet.negocio.Eventos" table="TB_EVENTOS">
<id name="id" column="CD_EVENTOS" type="string">
<generator class="uuid.hex" />
</id>

<many-to-one name="usuario" column="CD_PESSOA" class="br.com.agendanet.negocio.Usuario"/>

<property name="descricao" column="TX_DESCRICAO" type="string"/>
</class>
</hibernate-mapping>

Problem happend when I recoved data, collection set start eternaly selects and dont stop any more.
What can I do?