Return-Path: 
 <ojb-dev-return-9639-apmail-db-ojb-dev-archive=db.apache.org@db.apache.org>
Delivered-To: apmail-db-ojb-dev-archive@www.apache.org
Received: (qmail 37736 invoked from network); 26 Jul 2004 15:28:38 -0000
Received: from hermes.apache.org (HELO mail.apache.org) (209.237.227.199)
  by minotaur-2.apache.org with SMTP; 26 Jul 2004 15:28:38 -0000
Received: (qmail 17379 invoked by uid 500); 26 Jul 2004 15:28:28 -0000
Delivered-To: apmail-db-ojb-dev-archive@db.apache.org
Received: (qmail 17316 invoked by uid 500); 26 Jul 2004 15:28:27 -0000
Mailing-List: contact ojb-dev-help@db.apache.org; run by ezmlm
Precedence: bulk
List-Unsubscribe: <mailto:ojb-dev-unsubscribe@db.apache.org>
List-Subscribe: <mailto:ojb-dev-subscribe@db.apache.org>
List-Help: <mailto:ojb-dev-help@db.apache.org>
List-Post: <mailto:ojb-dev@db.apache.org>
List-Id: "OJB Developers List" <ojb-dev.db.apache.org>
Reply-To: "OJB Developers List" <ojb-dev@db.apache.org>
Delivered-To: mailing list ojb-dev@db.apache.org
Received: (qmail 17196 invoked by uid 99); 26 Jul 2004 15:28:26 -0000
X-ASF-Spam-Status: No, hits=0.0 required=10.0
	tests=
X-Spam-Check-By: apache.org
Received: from [80.89.232.240] (HELO server.bizzdesign.nl) (80.89.232.240)
  by apache.org (qpsmtpd/0.27.1) with ESMTP; Mon, 26 Jul 2004 08:28:23 -0700
content-class: urn:content-classes:message
MIME-Version: 1.0
Content-Type: text/plain;
	charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
Subject: RE: Problems with extending classes
X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1
Date: Mon, 26 Jul 2004 17:27:44 +0200
Message-ID: <5E091A68F794974CAF431CA31F5AF2CC1893D9@server.bizzdesign.nl>
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
Thread-Topic: Problems with extending classes
Thread-Index: AcRzFwI1bdPgcSKYT46NecyR5byKZgADd88w
From: "Bart Molenkamp" <b.molenkamp@bizzdesign.nl>
To: "OJB Developers List" <ojb-dev@db.apache.org>
X-Virus-Checked: Checked
X-Spam-Rating: minotaur-2.apache.org 1.6.2 0/1000/N

Also the example doesn't work. I get:

org.apache.ojb.broker.PersistenceBrokerSQLException: Exist check failed
for object org.apache.ojb.broker.B{3}

when I try the sample. Is there anyone who got this sample working with
either 1.0rc6 or 1.0.0?

Bart.

-----Original Message-----
From: Bart Molenkamp=20
Sent: Monday, July 26, 2004 3:47 PM
To: ojb-dev@db.apache.org
Subject: Problems with extending classes

Hello,

I've a problem with extending classes. The "advanced technique" document
describes three ways for mapping class hierarchies. I want to use the
"Mapping Classes on Multiple Joined Tables" variant. My structure is
pretty much the same as the one described in the "advanced technique"
document, but it doesn't work. The exception I get is:

org.apache.ojb.broker.KeyConstraintViolatedException: SQL failure while
insert object data for class
com.bizzdesign.persistence.impl.ojb.metamodel.DataTypeImpl, PK of the
given object is [ name=3Dnull], object was
com.bizzdesign.persistence.impl.ojb.metamodel.DataTypeImpl@3c8308,
exception message is [Try to insert null into a non-nullable column in
statement [INSERT INTO MetaDataTypes (name) VALUES (NULL) ]]

What am I doing wrong? The repository_user.xml is specified below:

<!-- file containing the repository descriptions for user-defined types
-->
<!-- Generated by the xdoclet-ojb module -->

<class-descriptor
    class=3D"com.bizzdesign.persistence.impl.ojb.metamodel.DataTypeImpl"
    table=3D"MetaDataTypes"
>
    <field-descriptor
        name=3D"name"
        column=3D"name"
        jdbc-type=3D"VARCHAR"
        primarykey=3D"true"
        length=3D"200"
    >
    </field-descriptor>
</class-descriptor>
<class-descriptor
=20
class=3D"com.bizzdesign.persistence.impl.ojb.metamodel.PrimitiveTypeImpl"=

    table=3D"MetaPrimitiveTypes"
>
    <field-descriptor
        name=3D"dataTypeName"
        column=3D"dataTypeName"
        jdbc-type=3D"VARCHAR"
        primarykey=3D"true"
        length=3D"200"
        access=3D"anonymous"
    >
    </field-descriptor>
    <field-descriptor
        name=3D"behaviour"
        column=3D"behaviour"
        jdbc-type=3D"VARCHAR"
        primarykey=3D"false"
=20
conversion=3D"com.bizzdesign.persistence.impl.ojb.metamodel.StringClassCo=
n
version"
        length=3D"200"
    >
    </field-descriptor>
    <reference-descriptor
        name=3D"super"
=20
class-ref=3D"com.bizzdesign.persistence.impl.ojb.metamodel.DataTypeImpl"
        auto-retrieve=3D"true"
        auto-update=3D"true"
        auto-delete=3D"true"
    >
        <foreignkey field-ref=3D"dataTypeName"/>
    </reference-descriptor>
</class-descriptor>
<class-descriptor
=20
class=3D"com.bizzdesign.persistence.impl.sql.metamodel.EnumerationImpl"
    table=3D"MetaEnumerations"
>
</class-descriptor>



Thanks in advance,
Bart.

---------------------------------------------------------------------
To unsubscribe, e-mail: ojb-dev-unsubscribe@db.apache.org
For additional commands, e-mail: ojb-dev-help@db.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: ojb-dev-unsubscribe@db.apache.org
For additional commands, e-mail: ojb-dev-help@db.apache.org