Re: [castor-user] [XML] Castor error with hibernator V3

[Keith Visco]

Richard Schmidt wrote:
Hi
I have an application that uses Hibernate to load objects from the
database and Castor to map the objects to XML.
I upgraded to Hibernate Version 3. Since then the Castor XML side has
not worked correctly.
I suspect that it has something to do with hibernate using proxies when
loading a collection as castor starts 'walking' the proxy object. 

All the classes in my Castor mapping files have been marked as
'auto-complete = "false"'.
Two questions come to mind here. The first is what does your class 
mapping look like? The auto-complete="false" will prevent Castor from 
introspection the remainder of the class, but if you specify some fields 
in your mapping castor will still use those fields unless you mark them 
as transient.

Also how are you configuring and calling the marshaller? Make sure you 
are not using one of the static Marshaller#marshal methods, if you use a 
static method, Castor won't have access to any mapping file that you 
have set on the Marshaller.

Also, is Hibernate actually modifying the class? If so, when you load 
the mapping file, make sure use whatever special class loader that 
Hibernate uses. If you don't use the correct class loader Castor might 
not be finding the proper mapping (since a class loaded by one class 
loader is not equal to a class loaded by a different mapping loader).

--Keith

Eventually the application crashes with an AbstractMethodError thrown by
the SQLServerConnection.  

The XML output produced by Castor is show below - I have marked where
Castor starts inspecting the Hibernate proxy object.
Thanks
Richard

<?xml version="1.0" encoding="UTF-8"?>
<entity clientno="ASH141"
    state="Active                                  " isClient="true"
    type="INDIVIDUAL                              " isPerson="true">
    <reportingname>Dr Lionel J D Ashtona &amp; Mrs Jane Ashton
</reportingname>
**********************************************ERROR FROM HERE
ON*************************************
    <hibernate-lazy-initializer uninitialized="false"
xsi:type="java:org.hibernate.proxy.CGLIBLazyInitializer">
        <implementation state="Active                                  "
            isClient="true" xsi:type="entity-state"/>
        <identifier xsi:type="java:java.lang.String">A</identifier>
        <entity-name>inform.orm.entity.EntityState</entity-name>
        <session dirty="false" flush-before-completion-enabled="false"
            connected="true" open="true" dont-flush-from-find="0"
            flush-mode-never="false" timestamp="4545407439429632"
xsi:type="java:org.hibernate.impl.SessionImpl">
            <batcher
xsi:type="java:org.hibernate.jdbc.NonBatchingBatcher"/>
            <factory
xsi:type="java:org.hibernate.impl.SessionFactoryImpl">
                <statistics successful-transaction-count="0"
                    collection-load-count="0" connect-count="0"
                    query-cache-put-count="0" entity-insert-count="0"
                    collection-update-count="0"
                    query-execution-max-time="0"
                    collection-remove-count="0"
                    query-cache-hit-count="0" entity-update-count="0"
                    second-level-cache-put-count="0" flush-count="0"
                    collection-fetch-count="0" session-open-count="0"
                    start-time="1109718610671"
                    second-level-cache-miss-count="0"
                    entity-fetch-count="0" collection-recreate-count="0"
                    second-level-cache-hit-count="0"
                    entity-delete-count="0" session-close-count="0"
                    query-execution-count="0" transaction-count="0"
                    statistics-enabled="false"
                    query-cache-miss-count="0" entity-load-count="0"
xsi:type="java:org.hibernate.stat.StatisticsImpl">
 
<entity-names>inform.orm.externaltables.CustomColumn$EntityColumn</entit
y-names>
 
<entity-names>inform.orm.address.Address</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$DateColumn</entity-
names>
 
<entity-names>inform.orm.externaltables.CustomColumn$TableColumn</entity
-names>
 
<entity-names>inform.orm.clientrelationship.Relationship</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$URLColumn</entity-n
ames>
 
<entity-names>inform.orm.preferences.PrefsKey</entity-names>
                    <entity-names>inform.orm.user.CloUser</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$OptionsColumn</enti
ty-names>
 
<entity-names>inform.orm.feeearner.FeeEarner</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$MatterMultivalueCol
umn</entity-names>
                    <entity-names>EntityMT</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$AddressColumn</enti
ty-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$MatterColumn</entit
y-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$FeeEarnerColumn</en
tity-names>
 
<entity-names>inform.orm.externaltables.ExtnTable</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$ClientMultivalueCol
umn</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$DecimalColumn</enti
ty-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$NoteColumn</entity-
names>
 
<entity-names>inform.orm.externaltables.CustomColumn$StringColumn</entit
y-names>
 
<entity-names>inform.orm.entity.Entity</entity-names>
 
<entity-names>inform.orm.matter.MatterCustomTables</entity-names>
 
<entity-names>inform.orm.matter.Matter</entity-names>
 
<entity-names>inform.orm.entity.EntityAddress</entity-names>
 
<entity-names>inform.orm.entity.EntityType</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$LableColumn</entity
-names>
 
<entity-names>inform.orm.externaltables.CustomColumn</entity-names>
 
<entity-names>inform.orm.preferences.PrefsNode</entity-names>
                    <entity-names>wg01</entity-names>
 
<entity-names>inform.orm.entity.EntityState</entity-names>
                    <entity-names>wg02</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$IntegerColumn</enti
ty-names>
                    <entity-names>country</entity-names>
 
<entity-names>inform.orm.entity.ClientExtCustomTable</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$BooleanColumn</enti
ty-names>
 
<entity-names>inform.orm.clientrelationship.RelationshipType</entity-nam
es>
 
<collection-role-names>inform.orm.preferences.PrefsNode.Children</collec
tion-role-names>
 
<collection-role-names>inform.orm.preferences.PrefsNode.Keys</collection
-role-names>
 
<collection-role-names>inform.orm.externaltables.ExtnTable.columns</coll
ection-role-names>
 
<collection-role-names>inform.orm.entity.ClientExtCustomTable.inform.orm
.entity.ClientExtCustomTable.fields.multi</collection-role-names>
 
<collection-role-names>inform.orm.feeearner.FeeEarner.liasionMatters</co
llection-role-names>
 
<collection-role-names>inform.orm.entity.Entity.entityAddress</collectio
n-role-names>
 
<collection-role-names>inform.orm.feeearner.FeeEarner.actingMatters</col
lection-role-names>
 
<collection-role-names>inform.orm.user.CloUser.Prefsnodes</collection-ro
le-names>
 
<collection-role-names>inform.orm.entity.Entity.matters</collection-role
-names>
 
<collection-role-names>inform.orm.entity.Entity.entityRelationships</col
lection-role-names>
 
<collection-role-names>inform.orm.feeearner.FeeEarner.clientsResponsible
For</collection-role-names>
                </statistics>
                <transaction-factory
xsi:type="java:org.hibernate.transaction.JDBCTransactionFactory"/>
                <statistics-implementor successful-transaction-count="0"
                    collection-load-count="0" connect-count="0"
                    query-cache-put-count="0" entity-insert-count="0"
                    collection-update-count="0"
                    query-execution-max-time="0"
                    collection-remove-count="0"
                    query-cache-hit-count="0" entity-update-count="0"
                    second-level-cache-put-count="0" flush-count="0"
                    collection-fetch-count="0" session-open-count="0"
                    start-time="1109718610671"
                    second-level-cache-miss-count="0"
                    entity-fetch-count="0" collection-recreate-count="0"
                    second-level-cache-hit-count="0"
                    entity-delete-count="0" session-close-count="0"
                    query-execution-count="0" transaction-count="0"
                    statistics-enabled="false"
                    query-cache-miss-count="0" entity-load-count="0"
xsi:type="java:org.hibernate.stat.StatisticsImpl">
 
<entity-names>inform.orm.externaltables.CustomColumn$EntityColumn</entit
y-names>
 
<entity-names>inform.orm.address.Address</entity-names>
 
<entity-names>inform.orm.externaltables.CustomColumn$DateColumn</entity-
names>
 
<entity-names>inform.orm.externaltables.CustomColumn$TableColumn</entity
-n

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