Native sequencing problem

Hi all,
I'm using Oracle9i database together with TopLink 9.0.4
and I can't get started native sequencing.
I've created a sequence using following script:
CREATE SEQUENCE "ITMS"."SEQUENCE" INCREMENT BY 1 START WITH 1
MAXVALUE 1.0E28 MINVALUE 1 NOCYCLE
CACHE 50 NOORDER
I've set up the project and session to use native sequencing, plus I've run the following code once:
Project project = XMLProjectReader.read("project.xml");
DatabaseSession session = project.createDatabaseSession();
SchemaManager schemaManager = new SchemaManager(session);
schemaManager.createSequences();
but it's still not working.
Then I've tried default sequencing option, but it's the same.
Only the third option using custom sequence table works.
Did anybody make it work or am I doing anything wrong?
Any help will be appreciated.
Roman

sorry, my mistake, it's ok now

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Oracle native sequencing: nextVal executed two times.

We are migrating from Weblogic 6.1 sp 5 & TopLink 3.6.3 to Weblogic 8.1 sp 2 & TopLink 9.0.4 and we are having this issue:
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[TopLink]: ServerSession(22807116)--Connection(0)--client acquired
[TopLink]: ClientSession(25858791)--Connection(0)--acquire unit of work: 10772417
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[TopLink]: ServerSession(22807116)--Connection(17558511)--SELECT SEQ_PAGE.NEXTVAL FROM DUAL
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[TopLink]: UnitOfWork(10772417)--Connection(25919386)--Begin batch statements
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[TopLink]: UnitOfWork(10772417)--Connection(0)-- bind => [Roger Penrose, 2004-05-11 18:54:01.917, 442803]
[TopLink]: UnitOfWork(10772417)--Connection(25919386)--End Batch Statements
[TopLink]: ClientSession(25858791)--Connection(25919386)--Begin batch statements
[TopLink]: ClientSession(25858791)--Connection(25919386)--INSERT INTO BOOK (NAME, OCA, OID, OID_AUTHOR) VALUES (?, ?, ?, ?)
[TopLink]: ClientSession(25858791)--Connection(0)-- bind => [The Emperor's New Mind, 2004-05-11 18:54:01.92, 347404, 442803]
[TopLink]: ClientSession(25858791)--Connection(0)-- bind => [Shadows of the Mind, 2004-05-11 18:54:01.943, 347405, 442803]
[TopLink]: ClientSession(25858791)--Connection(25919386)--End Batch Statements
[TopLink]: UnitOfWork(10772417)--Connection(0)--After JTS Completion
[TopLink]: UnitOfWork(10772417)--Connection(0)--release unit of work
[TopLink]: ClientSession(25858791)--Connection(0)--client released
[TopLink]: ServerSession(22807116)--Connection(0)--client acquired
[TopLink]: ClientSession(116689)--Connection(0)--acquire unit of work: 32580168
[TopLink]: UnitOfWork(32580168)--Connection(0)--JTS register
[TopLink]: UnitOfWork(32580168)--Connection(0)--Before JTS Completion
[TopLink]: UnitOfWork(32580168)--Connection(17129104)--Begin batch statements
[TopLink]: UnitOfWork(32580168)--Connection(17129104)--INSERT INTO AUTHOR (NAME, OCA, OID) VALUES (?, ?, ?)
[TopLink]: UnitOfWork(32580168)--Connection(0)-- bind => [Benoit Mandelbrot, 2004-05-11 18:54:49.264, 442805]
[TopLink]: UnitOfWork(32580168)--Connection(17129104)--End Batch Statements
[TopLink]: ClientSession(116689)--Connection(17129104)--Begin batch statements
[TopLink]: ClientSession(116689)--Connection(17129104)--INSERT INTO BOOK (NAME, OCA, OID, OID_AUTHOR) VALUES (?, ?, ?, ?)
[TopLink]: ClientSession(116689)--Connection(0)-- bind => [Les objets fractals, forme, hasard et dimension, 2004-05-11 18:54:49.266, 347409, 442805]
[TopLink]: ClientSession(116689)--Connection(0)-- bind => [The Fractal Geometry of Nature, 2004-05-11 18:54:49.282, 347408, 442805]
[TopLink]: ClientSession(116689)--Connection(17129104)--End Batch Statements
[TopLink]: UnitOfWork(32580168)--Connection(0)--After JTS Completion
[TopLink]: UnitOfWork(32580168)--Connection(0)--release unit of work
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the test is about creating two objects (well, we are actually creating 6 objects in this sample as we are creating two "master" objects and adding two related (in a one to many relationship) objects to each one.)
The thing I would like you to notice is this:
The first AUTHOR object gets assigned the OID 442803 wether the next AUTHOR object gets the OID 442805 although we expected it to be 442804.
The same occurs with the objects in the "many" side of the relation. They get sibiling OIDs but with a gap of two OIDs when creating the last two.
I have been searching for simmilar problems in this forums and I found two posts:
Both where related to a bug of an older version of TopLink (9.0.3 I think) when using something different than a number for the sequence field of an object. I expect it to be fixed in 9.0.4 version as it seemed to be fixed even for the 9.0.3 version. May it be a regression bug?
Anyway, we are using BigDecimal on entity bean's sequence number and IIRC NUMBER(18) in Oracle tables.
Currently our TopLink version is: 9.0.4 (031126)
Our native sequence has an allocation size of 200 and it matches with SEQUENCEs defined in Oracle.
As we are migratting from TopLink 3.6.3 and we have not changed the sequence prealocation size (we have not touched the database at all) we don't expect the problem to be on sequence prealocation.
I must say we have changed the "default" JDBC driver that TopLink uses when doing the issuing the loging phase (which I think is a SUN driver) to an oracle.jdbc.driver.OracleDriver as we were having problems with timestamp locking.
Any idea?
Thanks in advance.
Ignacio.

Solved!
It was my fault. I was doing a really nasty thing to the entity beans.
I must publicly thank my work mate (which is a pretty smart girl, I must say) in tracking down this issue.
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As I told in previous post in this post we are in the process of moving from TopLink 3.6.3 (EJB 1.1) to TopLink 9.0.4 (EJB 2.0). We do have a "super class" in our application where we had some common things of our entity beans, i.e. entityContext, oid and oca attributes. We have also some methods that retrieve and set values from and to the entity beans via value objects (in order to avoid the heavy RMI operations when doing it through "standard" getters and setters) well, it happened that the current implementation of the "batch setting" method used the getDeclaringMethods to update in both UPDATE and INSERT opperations entity attributes with the data of the value object.
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-- Anand
"Satya" <[email protected]> wrote in message
news:3d06274c$[email protected]..
>
I have a problem with Oracle sequence when I am using from the CMP entityEJB in WebLogic
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Hello,
Unfortunately, problem is not solved still. As you can see, there are 2 sequences, from 2 not joined tables: KTZ_SEQ.CURRVAL, OB_SEQ.CURRVAL. KTZ_SEQ.CURRVAL is declared here:
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values (KTZ_SEQ.NEXTVAL, 'import', null, '0', '0', null, SYSDATE, '0', '0', '1', null, 'Jednostki WSSE', '0', null, (select p.id_poz_sl from pozycje_slownikow p join slowniki s on p.id_slownika=s.id_sl where s.nazwa like 'TYPY_ZASOBOW' and p.kod = 'OB'), '1');
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