You seem to be missing an auto-update="true" although this would not make sense of the working when not under load.
This is all new to me though so i could be wrong. Regards Ross Rotherham ----- Original Message ----- From: "Luis Cruz" <[EMAIL PROTECTED]> To: "OJB Users List" <[EMAIL PROTECTED]> Sent: Wednesday, September 03, 2003 2:30 PM Subject: Unable to update collections > > Hello, > > We're experiencing a strange problem updating collections and we hope > that someone of you OJB Gurus can shed some light on this for us. > > The situation is: > > 1. An object "a1" of type A is created and inserted into the database. > > 2. An object "b1" of type B is created and added to object "a1"'s list > of B's > > The relevant snip of code used to update class A follows: > > beginTransaction(); > IA a = readAFromDB(someInfoAboutTheAWeWantToRead); > IB b = new B(); > lockWrite(b); > lockWrite(a); > a.getListOfBs().add(b); > confirmTransaction(); > > The problem: > > Object "b1" is not written to the database! However this is only > verified when our server is under significant load. When the load is > reduced everything works fine and object "b1" shows up in the database. > > What we are using (I hope this is sufficient to understand the cause): > - OJB version 1.0rc3 > - Cache implementation: > org.apache.ojb.broker.cache.ObjectCacheDefaultImpl > - Isolation level: "read-committed". > > The relevant snip of the Class/Table mapping follows: > > <class-descriptor > class="A" > table="A" > > > <field-descriptor id="1" > name="id" > column="ID" > jdbc-type="INTEGER" > primarykey="true" > autoincrement="true" > /> > <collection-descriptor > name="listOfBs" > collection-class="org.apache.ojb.broker.util.collections.ManageableVector" > element-class-ref="B" > indirection-table="A_B" > proxy="true" > auto-retrieve="true" > refresh="true"> > <fk-pointing-to-this-class column="KEY_A"/> > <fk-pointing-to-element-class column="KEY_B"/> > </collection-descriptor> > </class-descriptor> > > <class-descriptor > class="B" > table="B" > > > <field-descriptor id="1" > name="id" > column="ID" > jdbc-type="INTEGER" > primarykey="true" > autoincrement="true" > /> > </class-descriptor> > > > Any help on this matter is GREATLY appreciated. > > Thanks in advance, > Luis (M) > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
