<many-to-one name="VcoaInstrData" class="VcoaInstrData" not-null="false"
 not-found="ignore">
<one-to-many class="VcoaData" not-found="ignore" />

Those not-found=ignore smells very bad about the state of your DB.

On Thu, Apr 28, 2011 at 12:08 PM, spiffcow <[email protected]> wrote:

> I have a situation where NHibernate will not lazy load a property two
> degrees removed from the initial object, *except* when that property
> is marked as cascade="all".  I think this is a bug, but it could just
> be a misunderstanding on my part about the relationship between lazy
> loading and cascade options.  Either way, any information/advice about
> this would be appreciated.
>
> My C# code looks like this:
>
> var initialObject = <get object of type TextualDepartureProcedure from
> the session...>
> var targetObj = TextualDepartureProcedure.VcoaInstrData.Vcoas.First();
>
> This fails with a lazy load initialization exception..  But if I
> change the TextualDepartureProcedure to VcoaInstrData cascade to
> "all", the properties are lazily loaded correctly.
>
> My hbms look like this (non-pertinent data removed):
>
> <?xml  version="1.0" encoding="utf-8" ?>
> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
> namespace="Org.Ifp.Departure.Data" assembly="Org.Ifp.Departure.Data">
>        <class name="TextualDepartureProcedure" table="V_T_DPRT_PROC">
>                <composite-id>
>                        <key-property name="RevNbr" column="REV_NBR"
> type="Int32" />
>                        <key-property name="Uuid" column="UUID" type="Guid"
> />
>                </composite-id>
>                <many-to-one name="VcoaInstrData" class="VcoaInstrData" not-
> null="false" cascade="none" not-found="ignore">
>                        <column name="VCOA_INSTR_UUID" />
>                </many-to-one>
>        </class>
> </hibernate-mapping>
>
> <?xml  version="1.0" encoding="utf-8" ?>
> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
> namespace="Org.Ifp.Departure.Data" assembly="Org.Ifp.Departure.Data">
>        <class name="VcoaInstrData" table="V_VCOA_INSTR">
>                <id name="Uuid" column="UUID" type="Guid">
>                        <generator class="assigned" />
>                </id>
>                <bag name="Vcoas" table="V_VCOA" lazy="true"
> cascade="save-update"
> inverse="true">
>                        <key>
>                                <column name="VCOA_INSTR_UUID" />
>                        </key>
>                        <one-to-many class="VcoaData" not-found="ignore" />
>                </bag>
>                <many-to-one name="TextualDepartureProcedure"
> class="TextualDepartureProcedure" not-null="false" cascade="none" not-
> found="ignore">
>                        <column name="T_DPRT_PROC_REV_NBR" />
>                        <column name="T_DPRT_PROC_UUID" />
>                </many-to-one>
>        </class>
> </hibernate-mapping>
>
> <?xml  version="1.0" encoding="utf-8" ?>
> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
> namespace="Org.Ifp.Departure.Data" assembly="Org.Ifp.Departure.Data">
>        <class name="VcoaData" table="V_VCOA">
>                <id name="Uuid" column="UUID" type="Guid">
>                        <generator class="assigned" />
>                </id>
>                <many-to-one name="VcoaInstData" class="VcoaInstrData" not-
> null="false" cascade="save-update" not-found="ignore">
>                        <column name="VCOA_INSTR_UUID" />
>                </many-to-one>
>        </class>
> </hibernate-mapping>
>
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>


-- 
Fabio Maulo

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