Hi,
if you are using XDoclet, you probably forgot
the @ejb.relation target-multiple=yes parameter.
(Can also be multiple=yes, depends on your setup)
Stefan
> Hi,
>
> I ran into a strange problem (for me). I have a few CMP beans that map
> to a postgresql database. When I run the following code, only the first
> entry is added correctly to the table. The others do have empty values
> on 'fk_kv' field in database.
>
> Shortened code (without exception handling etc):
>
>
> Kv kv = kvlh.findByKVID(kvid);
> Teilnehmer t = tlh.findByPrimaryKey(new Integer(7));
> Kommission k = klh.create(kv, t);
>
> Kv kv = kvlh.findByKVID(kvid);
> Teilnehmer t = tlh.findByPrimaryKey(new Integer(7));
> Kommission k = klh.create(kv, t);
>
> Kv, Teilnehmer and Kommission are local interfaces (implementing
> EJBLocalObject).
>
>
> JBoss-log:
> --
>
> First execution:
> DEBUG [TeilnehmerBean] Executing SQL: SELECT pkey FROM kommission WHERE
> (fk_teilnehmer=?)
> DEBUG [KommissionBean] Executing SQL: UPDATE kommission SET
> fk_teilnehmer=?, fk_kv=? WHERE pkey=?
> DEBUG [KommissionBean] Rows affected = 1
>
> Second execution:
> DEBUG [TeilnehmerBean] Executing SQL: SELECT pkey FROM kommission WHERE
> (fk_teilnehmer=?)
> DEBUG [KommissionBean] Executing SQL: UPDATE kommission SET
> fk_teilnehmer=?, fk_kv=? WHERE pkey=?
> DEBUG [KommissionBean] Rows affected = 1
> DEBUG [KommissionBean] Executing SQL: UPDATE kommission SET fk_kv=?
> WHERE pkey=?
> DEBUG [KommissionBean] Rows affected = 1
>
> Why does JBoss update the entry once more? After the first update all
> should be correct, shouldn't it?
>
> The 'kommission' table:
> ---
> CREATE TABLE kommission (
> pkey int4 DEFAULT nextval('"kommission_pkey_seq"'::text) NOT NULL,
> fk_teilnehmer int4,
> fk_kv int4,
> ...some constraints...
> }
>
> In my deployment descriptors I have no cmp setters/getters for this
> table, but ejb-relationship-roles.
>
> Thanks in advance.
>
> Steffen Gransow
>
>
>
>
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