Hi!
How could I configure OJB to process such scheme:
I have base class A and at least one its subclass B. Each class uses
different DB tables, joined to each other. In following examples I have
TABLE_B references to TABLE_A by foreign key PARENT_ID.
There is also third class, lets say
On Thu, 29 Jan 2009 15:18:14 +0300
Maxim Kuleshov kules...@org.vrn.ru wrote:
That's scheme gives me error during XDoclet stage:
The collection entries in class ojbs.ObjsList specifies a foreignkey
listId that is not a persistent field in the element class (or its
subclass) objs.B
Well,
Hi Johan,
Johan Andersson wrote:
Greetings!
Say I have a class MyClass it looks like this:
public class MyClass {
private int id;
private String name; private ListInteger myIntegers = new
ArrayListInteger;
/* getters and setters omitted ... */
}
What options do I have if I
Greetings!
Say I have a class MyClass it looks like this:
public class MyClass {
private int id;
private String name;
private ListInteger myIntegers = new ArrayListInteger;
/* getters and setters omitted ... */
}
What options do I have if I want to persist this class using
the answer. It's shame on me. OJB has nothing
do do with that. I forgot to include a reference to the GrandChildProject
mapping file (grandChildProject;) in the repository.xml file. So, OJB
could
not find where the mapping file is and returned a version of its mapped
parent.
Three days lost trying
Hi Alessandro,
Yes, you are right, it's a typho. But it does not reflect my real code.
Nevertheless, I have found the answer. It's shame on me. OJB has nothing
do do with that. I forgot to include a reference to the GrandChildProject
mapping file (grandChildProject;) in the repository.xml file
Just having a first superficial look.
I see in your code
GenericDAOApacheOJBGrandChildObject, Long grandChildProjectDao
I didn't see GrandChildObject anywere else in your mapping, but maybe I'm
not seeing well.
Shouldn't it be GenericDAOApacheOJBGrandChildProject, Long ?
On 2/11/08
identified by the id 1245 is a GrandChildProject
(className=br.com.xxx.model.GrandChildProject). The persistentClass
attribute points to the correct class (GrandChildProject) but somehow OJB
returns a ChildProject reference. I'm really stuck.
One more doubt regarding mapping class hierarchy in one
a ChildProject?
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or strategy used in this example?
Thanks in advance!
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used in this example?
The mapping seems ok.
regards,
Armin
Thanks in advance!
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objects, OJB returns a
ChildProject reference. This ends up in a ClassCastException. Is there
anything wrong in the mappings or strategy used in this example?
The mapping seems ok.
regards,
Armin
Thanks in advance
Any clue? I've spent the last 4 hours trying to figure out what can be wrong,
but the problem persists. I'm running out of ideas :(
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Upgraded to 1.0.4 and the problem persists. Any idea?
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Schmidt wrote:
Upgraded to 1.0.4 and the problem persists. Any idea?
In OJB test-suite we run several tests using table per hierarchy
inheritance without any problems.
So please, post all information to reproduce your issue - java source
code or pseudo code of the java objects and the query.
Hi,
we migrated from ojb 1.0.1 to 1.0.4
DB is Postgres. But I think, that the problem is independent
of the DB.
We use the type BIT(1) for boolean values, so a mapping looks
like this:
field-descriptor
name=emailNotice
column=emailnotice
jdbc-type=BIT
/
With version 1.0.1
Hi Armin,
Oliver Seimel wrote:
Hi,
we migrated from ojb 1.0.1 to 1.0.4
DB is Postgres. But I think, that the problem is
independent of the
DB.
We use the type BIT(1) for boolean values, so a mapping looks like
this:
field-descriptor
name=emailNotice
column
Hi Oliver,
Oliver Seimel wrote:
Hi,
we migrated from ojb 1.0.1 to 1.0.4
DB is Postgres. But I think, that the problem is independent
of the DB.
We use the type BIT(1) for boolean values, so a mapping looks
like this:
field-descriptor
name=emailNotice
column=emailnotice
jdbc-type
of Apache
OJB
Thanks for your help,
Regards,
Truong Nguyen
On 9/7/07, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
your mapping seems ok. Sounds like a bug in OJB.
I tried to reproduce your problem without success (using
Hi,
your mapping seems ok. Sounds like a bug in OJB.
I tried to reproduce your problem without success (using latest version
of OJB from SVN OJB_1_0_RELEASE branch) - never get a NPE.
I use the mapping from the m:n example (with Person and Project) and do:
oid = broker.serviceIdentity
from a mirror location of Apache
OJB
Thanks for your help,
Regards,
Truong Nguyen
On 9/7/07, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
your mapping seems ok. Sounds like a bug in OJB.
I tried to reproduce your
Adam Brons wrote:
Thanks for the response Armin. What you mentioned may be right, but
either case isn't what I'm wanting.
The scenario that I'm trying to solve is this:
1 database table Employee and Manager
The MANAGER_EMPLOYEE_MAP is a mapping table for an additional
Hi Adam,
Adam Brons wrote:
Hey Everyone,
I have a question about mapping inheritance.
What I'm having trouble doing is reading and updating a collection of a
subclasses. It writes the Manager entry with the Manager = Employee
mapping without problem. Unfortunately when I read
Hey Everyone,
I have a question about mapping inheritance.
What I'm having trouble doing is reading and updating a collection of a
subclasses. It writes the Manager entry with the Manager = Employee
mapping without problem. Unfortunately when I read in the Company class
and it loads
Armin Waibel wrote:
Hi Maxim,
Maxim Kuleshov wrote:
Hello!
I've tried to use type-mapping feature of JDBC in apache OJB but failed.
Broker reports the following error:
...
Caused by: org.apache.ojb.broker.OJBRuntimeException: The type
JAVA_OBJECT can not be handled by OJB. Please specify only
Hi Maxim,
Maxim Kuleshov wrote:
Hello!
I've tried to use type-mapping feature of JDBC in apache OJB but failed.
Broker reports the following error:
...
Caused by: org.apache.ojb.broker.OJBRuntimeException: The type
JAVA_OBJECT can not be handled by OJB. Please specify only types as
defined
Hello!
I've tried to use type-mapping feature of JDBC in apache OJB but failed.
Broker reports the following error:
...
Caused by: org.apache.ojb.broker.OJBRuntimeException: The type
JAVA_OBJECT can not be handled by OJB. Please specify only types as
defined by java.sql.Types.
...
Are any
instances
no concurrency issues are expected.
regards,
Armin
On 5/24/06, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
ABOU LINA wrote:
Hi;
i have two mapping file : repository1.xml and
repository2.xml
On 5/24/06, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
ABOU LINA wrote:
Hi;
i have two mapping file : repository1.xml and
repository2.xml.
the difference between these two file are the value of
auto-*
[auto
a
InputStream to read a mapping file.
The class:
http://svn.apache.org/viewvc/db/ojb/branches/OJB_1_0_RELEASE/src/test/org/apache/ojb/broker/metadata/MetadataTest.java?view=markup
The file to read:
http://svn.apache.org/viewvc/db/ojb/branches/OJB_1_0_RELEASE/src/test/org/apache/ojb/Test_ClassDescriptor.xml
) use different broker
instances
no concurrency issues are expected.
regards,
Armin
On 5/24/06, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
ABOU LINA wrote:
Hi;
i have two mapping file : repository1.xml and
repository2
two mapping file : repository1.xml and
repository2.xml.
the difference between these two file are the value of
auto-*
[auto-retrieve, auto-update ..] ; at runtime sometimes i
need
to
use
repository1.xml and somtimes the repository2.xml .
what is the best and optimal
Hi;
i have two mapping file : repository1.xml and repository2.xml.
the difference between these two file are the value of auto-*
[auto-retrieve, auto-update ..] ; at runtime sometimes i need to use
repository1.xml and somtimes the repository2.xml .
what is the best and optimal solution about
Hi,
ABOU LINA wrote:
Hi;
i have two mapping file : repository1.xml and repository2.xml.
the difference between these two file are the value of auto-*
[auto-retrieve, auto-update ..] ; at runtime sometimes i need to use
repository1.xml and somtimes the repository2.xml .
what is the best
= PersistenceBrokerFactory.defaultPersistenceBroker();
so in this situation
B got a broker with profile admin because MetaManager is a singleton.
is right
On 5/24/06, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
ABOU LINA wrote:
Hi;
i have two mapping file : repository1.xml and repository2
, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
ABOU LINA wrote:
Hi;
i have two mapping file : repository1.xml and repository2.xml.
the difference between these two file are the value of auto-*
[auto-retrieve, auto-update ..] ; at runtime sometimes i need to use
repository1.xml and somtimes
and never detect problems with this feature.
Again if user A and B (different threads) use different broker instances
no concurrency issues are expected.
regards,
Armin
On 5/24/06, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
ABOU LINA wrote:
Hi;
i have two mapping file
if user A and B (different threads) use different broker
instances
no concurrency issues are expected.
regards,
Armin
On 5/24/06, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
ABOU LINA wrote:
Hi;
i have two mapping file : repository1.xml and repository2.xml
:
Hi,
ABOU LINA wrote:
Hi;
i have two mapping file : repository1.xml and repository2.xml.
the difference between these two file are the value of auto-*
[auto-retrieve, auto-update ..] ; at runtime sometimes i need to
use
repository1.xml and somtimes the repository2.xml
are expected.
regards,
Armin
On 5/24/06, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
ABOU LINA wrote:
Hi;
i have two mapping file : repository1.xml and repository2.xml.
the difference between these two file are the value of auto-*
[auto
in JIRA.
regards,
Armin
regards
Markus
On Mon, 2006-03-27 at 11:51 +0200, Armin Waibel wrote:
Hi Markus,
Markus Brigl wrote:
Hi,
I have a problem with the mapping of List's. If I store the list to DB
and reload it the order of the objects are casual and not the same as I
inserted them
Hi Markus,
Markus Brigl wrote:
Hi,
I have a problem with the mapping of List's. If I store the list to DB
and reload it the order of the objects are casual and not the same as I
inserted them in the List. Can I configure the repository file in some
way that OBJ stores even the indexes
a problem with the mapping of List's. If I store the list to DB
and reload it the order of the objects are casual and not the same as I
inserted them in the List. Can I configure the repository file in some
way that OBJ stores even the indexes of the List?
Do you mean mapping of 1:n
.
On 2/14/06, Armin Waibel [EMAIL PROTECTED] wrote:
Hi,
ABOU LINA wrote:
Hi,
i give you this sample example :
in case AB [1:n] :
the mapping of this bidiractional navigation is guaranted by the
use of
inverse-foreignkey :
Mapping A classe
:
http://db.apache.org/ojb/docu/guides/query.html#Report+Queries
Much more complex will be the use of different metadata profiles
(different persistent object metadata mapping for the same objects),
e.g. a normal profile and specific read profiles (without specific fields).
http://db.apache.org
Hi,
i give you this sample example :
in case AB [1:n] :
the mapping of this bidiractional navigation is guaranted by the use of
inverse-foreignkey :
Mapping A classe :
collection-descriptor
name=allB
Hi,
ABOU LINA wrote:
Hi,
i give you this sample example :
in case AB [1:n] :
the mapping of this bidiractional navigation is guaranted by the use of
inverse-foreignkey :
Mapping A classe :
collection-descriptor
Hi,
i give you this sample example :
in case AB [1:n] :
the mapping of this bidiractional navigation is guaranted by the use of
inverse-foreignkey :
Mapping A classe :
collection-descriptor
name=allB
I'm getting unexpected results from my application and can't figure out
what I have configured improperly. I have mapped classes on muliple
joined tables in the simple example below which is very much similar to
the example in the documentation advanced-technique.
I have an A class and a B
I am having a problem with using a 1:N mapping in OJB. I have a main object,
ServiceTicket, which has multiple Note objects in a collection. When I
retrieve the ServiceTicket object, all the correct Note objects are in the
Vector notes, which is an attribute of the ServiceTicket. The problem comes
hi all,
i've got a mapping with a set of objects. i've also got in the same
database datas which are not mapped to an object (because they are just
here for analysis and d'ont need to be instanciated...)
my goal is to query the database using a SQL Query. I can't use OQL
(QueryByCriteria
the underlying connection
to the pool
HTH,
Charles.
-Original Message-
From: Luc Fouin [mailto:[EMAIL PROTECTED]
Sent: 11 August 2005 11:40
To: ojb-user@db.apache.org
Subject: Getting the datasource of the mapping...
hi all,
i've got a mapping with a set of objects. i've also got in the same
Hi,
please have a look at
http://db.apache.org/ojb/docu/guides/connection.html#Can+I+directly+obtain+a%0A
regards,
Armin
Luc Fouin wrote:
hi all,
i've got a mapping with a set of objects. i've also got in the same
database datas which are not mapped to an object (because
Armin Waibel a écrit :
Hi,
please have a look at
http://db.apache.org/ojb/docu/guides/connection.html#Can+I+directly+obtain+a%0A
regards,
Armin
Thanks Charles Armin, it was exactly what i was looking for...
;)
Luc
--
Luc FOUIN - Stagiaire Aptiwan
Mél :
Linguine Maps is an open-source (LGPL, Java 1.4+) utility that will
automatically produce easy to read UML-style entity-relation diagrams
from OJB mapping files. The diagram shows all the entities with their
attributes from the original OJB mapping files and the relationships
between entities
Hi, I'm having a problem with mapping classes on multiple joined tables on OJB
1.0.3. I am following the 'Advanced O/R'
tutorial in the section 'Mapping Classes on Multiple Joined Tables'.
I have 2 tables, one table is a child of the other:
parent
--
class-descriptor
class
Torsten Liermann wrote:
I need a bi-directional mapping between 'Project' - 'ProjectTeam'. OJB
set the relation form 'Project' to 'ProjectTeam' nice, but the link from
'ProjectTeam' to 'Project' was not updated. What is wrong? Thanks for help.
Tell us a bit more about your use-case
Hi Torsten,
you don't post details about how you are insert?/update?
Project/ProjectTeam objects (source code example) and you don't specifiy
the used api. Please post some test code.
regards
Armin
Torsten Liermann wrote:
Hi,
(sorry, no english)
I need a bi-directional mapping between 'Project
Hi,
(sorry, no english)
I need a bi-directional mapping between 'Project' - 'ProjectTeam'. OJB
set the relation form 'Project' to 'ProjectTeam' nice, but the link from
'ProjectTeam' to
'Project' was not updated. What is wrong? Thanks for help.
class-descriptor
class=ProcektTeamVO
table
Hi,
Do we have proper calssDecriminator (Mapping the all classes on the same
table.) mechanism without side effects in OJB, on the same lies of
Hibernate?
In the documentation is it just mentioned, but not sufficient details
and examples are gives on that
Regards,
Ramki
Dear Ramakrishna,
We had this feature since 2001!
Please note that OJB is not based on lies !
for details refer to the documentation under
http://db.apache.org/ojb/docu/guides/advanced-technique.html#Mapping+All+Classes+on+the+Same+Table
cheers,
Thomas
Ramakrishna Reddy wrote:
Hi,
Do we have
hi armin,
Armin Waibel schrieb:
Stefan Walkner wrote:
hello,
we start working on this issue. Hope till next release this will be
fixed.
thank you for the info!
I really was searching long and was not able to find any information
about that, so I'm glad to hear any response from you.
The issue
Jakob Braeuchi wrote:
The issue is noted in the release-notes:
snip
- When a class mapped on multiple joined tables was used in a
reference only objects
of the base type class will be instantiated, e.g. a Company class has
a 1:n reference 'employees' to a base class Employee and class
So is it now possible to combine the extent concept with a mapping on
multiple joined tables? What would be the expected behavior in such a
scenario?
class-descriptor class=BaseClassThatCouldBeConcrete
table=BaseClassTable
extent-class class-ref=SubClass /
...
/class-descriptor
class
hello,
I use Mapping Classes on Multiple Joined Tables to map an Object which
inherits from another into two tables.
BUT: is there a way to get the different objects back, when querying?
I mean, I have following mappings:
--
class-descriptor class
Hi Stefan,
Stefan Walkner wrote:
hello,
I use Mapping Classes on Multiple Joined Tables to map an Object which
inherits from another into two tables.
BUT: is there a way to get the different objects back, when querying?
I mean, I have following mappings:
we start working on this issue. Hope till
hello,
we start working on this issue. Hope till next release this will be fixed.
thank you for the info!
I really was searching long and was not able to find any information about
that, so I'm glad to hear any response from you.
Thank you,
stefan walkner
Stefan Walkner wrote:
hello,
we start working on this issue. Hope till next release this will be fixed.
thank you for the info!
I really was searching long and was not able to find any information about
that, so I'm glad to hear any response from you.
The issue is noted in the release-notes:
Hi,
Stas Ostapenko wrote:
I have a problem with inserting all table data of one table to another
table in other RDBMS. Following code works, but it stores not all the
data, but only first object.
Where I`m wrong ?
First you have to take care that metadata changes are global operations,
all
PB.getIteratorByQuery sounds logic, I think. How I can use multiply
repository profiles and still use PB.getIteratorByQuery ? I thik it
will be coll when I can dynamically change only table name and operate
with same object but in different db. Mapping for particular object I
have alredy, one thing I need
I`m trying to do mapping one object in two RDBMS and different tables.
How can I create mapping and access SAME objects in different db`s on
the fly ?.For example to store search results of databaseA in
databaseB ? I use PB API
I have a problem with inserting all table data of one table to another
table in other RDBMS. Following code works, but it stores not all the
data, but only first object.
Where I`m wrong ?
Please help.
import org.apache.ojb.broker.PersistenceBroker;
import
hello again,
I could solve this problem by just rtfm:
http://db.apache.org/ojb/docu/guides/advanced-technique.html#Mapping+Classes+on+Multiple+Joined+Tables
But one problem I still can't figure out: when using broker.store(MyObject)
with mapping to multiple tables I use a foreign key from
Hello,
I would like to map an extended class to a table and a parent table.
This means:
I have following classes:
Item
SpecialItem extends Book
and following tables:
items
items_specialitem
IMHO the advantage of this structure is that the items_specialitem extends
the items table
Hi,
Is there any documentation regarding mapping objects across multiple
repositories?
Is it possible to map specific tables to a given respository, or is the
connection used for the entire mapping.
Thanks, Nuno Ochoa
Hi,
I have an object User who has 2 addresses, home and work.
User is mapped to a table user (no problem here).
Both home and work address are mapped to a table address.
This table has a composite primary key: login and type
- login from table user as a foreign key
- type is a string (or enum)
Sorry for that second posting. I sent this before I subscribed to the
list, so I thought it will not be posted (now, with a latency of nearly
one day)
Regards,
Georg
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also interested in a solution for that!
kr,
guenther
-Original Message-
From: Georg Müller [mailto:[EMAIL PROTECTED]
Sent: Wednesday, March 02, 2005 9:24 PM
To: ojb-user@db.apache.org
Subject: Mapping question
Hi,
I have an object User who has 2 addresses, home and work.
User is mapped
each reference has to use a composite FK key too.
in User (assume the 'login' datatype is INTEGER and User use an
autoincrement PK, only show mapping for the 'home' reference, 'work'
will be the same):
You need a FK field for each PK value of the referenced object, if you
use 'anonymous' fields
As far as I understand he wants to use a reference that refers to a
class with a compound primarykey, where one of the foreignkey values
is fixed:
reference-descriptor name=homeAddress
class-ref=Address
auto-update=true
Thomas Dudziak wrote:
As far as I understand he wants to use a reference that refers to a
class with a compound primarykey, where one of the foreignkey values
is fixed:
reference-descriptor name=homeAddress
class-ref=Address
auto-update=true
and WorkAddress from Address
- setup the constructor of both classes as described in
http://db.apache.org/ojb/docu/guides/advanced-technique.html#Extents+and+Pol
ymorphism
- setup the repository.xml as described in the chapter
http://db.apache.org/ojb/docu/guides/advanced-technique.html#Mapping+All+Cla
to take care that every setHomeAddress also modifies the
collection (because I don't think that getAddresses() is invoked by ojb
either ;) )
May be I implement a query costomizer who filters the addresses like
described in the advanced mapping tutorial:
collection-descriptor
name
Hi,
I have an object User who has 2 addresses, one for home and one for work.
User is mapped to a table user (no problem here).
Both home and work address are mapped to a table address.
This table has a composite primary key: login and type
- login from table user as a foreign key
- type is a
Christoph Hermann schrieb:
Hello again,
The problem seems to lie here:
!-- ProfileMenuCategory --
class-descriptor class=papillon.ProfileMenuCategory
table=rel_profiles_menu_categories
field-descriptor name=profile_id column=profiles_id
jdbc-type=INTEGER primarykey=true /
Both your references use a primarykey part as their foreignkey. Is
this really what you want ? The referenced objects must then have the
same primarykey value (part) as the ProfileMenuCategory object, and
that before you store the ProfileMenutCategory object, otherwise you
would overwrite your
Thomas Dudziak schrieb:
Hello,
Both your references use a primarykey part as their foreignkey. Is
this really what you want ? The referenced objects must then have the
same primarykey value (part) as the ProfileMenuCategory object, and
that before you store the ProfileMenutCategory object,
Thomas Dudziak schrieb:
Hello,
You should not use the primarykey for this. It would be better if you
add a simple primarykey field to the ProfileMenuCategory, make the
other two fields normal fields, and in the database add a unqiue
constraint on these two fields. This way, the database will
Hello,
i try to realize an m:n mapping using ojb/jdo and update the java
classes with cocoon using cforms.
My problem ist, that i don't get the intermediate table to update
correctly in the database.
I have the following three classes:
public class Profile implements Serializable
Hi , I am working on a web application using Tomcat4 , Mysql and OJB. I've
recently upgraded from OJB 1.0.rc3 to OJB v1.0.1 and my previously working
unidirectional 1:n mapping no longer works with the auto-retreive settings.
I've been through all the new documentation and seem to have
.
regards,
Armin
SteveWarder wrote:
Hi , I am working on a web application using Tomcat4 , Mysql and OJB. I've
recently upgraded from OJB 1.0.rc3 to OJB v1.0.1 and my previously working
unidirectional 1:n mapping no longer works with the auto-retreive settings.
I've been through all the new
be nice if OJB knew what datasource it had to go to to build the
class.
--Bobby
From: Armin Waibel [EMAIL PROTECTED]
Subject: mapping class to multiple tables?
Date: Mon, 17 Feb 2003 11:18:32 +0100
Content-Type: text/plain;
charset=iso-8859-1
Hi Jesse,
- Original Message -
From: Jesse
I'm sorry, I forgot to add Collection of A's in C (see above). With this
collection, xdoclet fails - for both 1.0.1 release and 1.0.x branch (I'm
working
off the branch as mentioned above).
Ok, right, in this case I too get the error that you described.
Yes, it is not: first, you have to
Hi Vadim,
Stick to the Repository file I posted earlier! If you don't use the abstract
modifier for the super class it works.
Regards,
Nils
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Vadim Gritsenko wrote:
Hey All,
[Using OJB_1_0_RELEASE branch from CVS]
As other users here, I'm also struggling with mapping class hierarchy
on multiple joined tables, and can't figure out what's wrong and
whether it is working at all or not.
Consider this slightly modified (added relation
Thomas Dudziak wrote:
Vadim Gritsenko wrote:
Hey All,
[Using OJB_1_0_RELEASE branch from CVS]
As other users here, I'm also struggling with mapping class hierarchy
on multiple joined tables, and can't figure out what's wrong and
whether it is working at all or not.
Consider this slightly
Nils Liebelt wrote:
Hi Vadim,
Stick to the Repository file I posted earlier! If you don't use the abstract
modifier for the super class it works.
I don't have abstract classes anywhere - my case is a bit different. It's about
mapping classes A and B, where B extends A, to two tables, and class C
Hi all,
I tried to port an application from mysql to oracle 8.
My problem is the same as described here:
http://nagoya.apache.org/eyebrowse/[EMAIL PROTECTED]msgId=1643290
Assigned to the mapping associations i.e. I get a null value because
the n-side objects (or single object for 1:1
Sylvain Juge wrote:
the XDoclet output is the following
In fact now it doesn't process the Apartement.java file, and I don't know why
because It used to process the file before. However, even if the file was
processed by xdoclet, there was no result in the repository file, like now when
it's
Hi,
Thank for your help, but I think I solved my problem.
I don't know what I was doing wrong, but simply by rewriting by hand the
Apartment Class, I solved the problem.
Now I works really great, despite sometimes Eclipse seems to go a little crazy,
so I think I also need to update it (ver
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