Hmm, according to the SQL you're printing out there the two foreign keys
are being set twice in the same statement. Are you using the
fkcmp="false" attribute in your cmp20 plugin? Read the documentation about
this attribute here:

http://boss.bekk.no/boss/middlegen/plugins/cmp20.html#fkcmp

I guess that wouldn't help about the keys being set to null, weird we
haven't seen this error before though. I'll look into it on my example
running on weblogic..

Regards
.eivind

On Fri, 15 Nov 2002, Russell Black wrote:

> I know the spec says that CMR fields should be set in the post-create method, but it 
>causes a problem when your table has a NOT NULL constraint on the foreign key (CMR) 
>column.  Incidentally the airlines example suffers from this problem.  I believe the 
>issue is this: consider the following table:
> 
> CREATE TABLE "reservations"(
>  "reservation_id" INT NOT NULL,
>  "person_id_fk" INT NOT NULL,
>  "flight_id_fk" INT NOT NULL,
>  "comment" VARCHAR,
>  PRIMARY KEY ("reservation_id","person_id_fk","flight_id_fk"),
>  FOREIGN KEY ("person_id_fk") REFERENCES "persons"("person_id"),
>  FOREIGN KEY ("flight_id_fk") REFERENCES "flights"("flight_id")
> );
> 
> ejbCreate is called, and it sets the CMP fields ONLY, and it tries to do the 
>following SQL (copied from my JBOSS console)
> 
> INSERT INTO reservation (reservation_id, person_id_fk, flight_id_fk, comment, 
>flight_id_fk, person_id_fk) VALUES (5, NULL, NULL, 'A comment', NULL, NULL) 
> 
> Which fails because the foreign keys can't be null.  The foreign keys aren't going 
>to be set until the ejbPostCreate which happens AFTER the INSERT, so it never gets 
>that far because the INSERT fails.  
> 
> Does this imply that foreign keys can't have NOT NULL values when using CMR?  This 
>seems bad, because the NOT NULL constraint is there for a reason.
> 
> 



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