Hi Armin,
Thank you very much for your fast reply.
> it's a(/my) bug in ObjectCacheDefaultImpl (rc5) causing this strange
> behaviour. I will check in a fixed version tomorrow.
Ok. How can I get the fixed ObjectCacheDefaultImpl implementation? Only
through CVS? Are you going to deploy a new rc5 binary version with this fix?
Thanks,
Jair Jr
>
> Jair da Silva Ferreira J�nior wrote:
> > Hi,
> > I am using ojb1.0_rc5, ODMG api with OJB queries, mysql4 (innodb
tables) in Linux Red Hat 7.3 (kernel 2.4.20-20.7).
> > I moved from rc4 to rc5 recently and I noticed that sometimes when I
run a query the resulting associated objects don't come from the cache.
Please, take a look at the above code to better undestand what I am saying:
> >
> > Transaction t=implementation.newTransaction();
> > t.begin();
> > Person p=new Person();
> > t.lock(p,t.WRITE);
> > p.setName("somebody");
> > Dog d=new Dog();
> > t.lock(d,t.WRITE);
> > d.setName("Spike");
> > p.setDog(d);
> > t.commit();
> >
> > t=implementation.newTransaction();
> > t.begin();
> > Criteria crit=new Criteria();
> > crit.addEqualTo("_id",new Integer(p.getId()));
> > QueryByCriteria query=QueryFactory.newQuery(Person.class,crit);
> > PersistenceBroker broker=((HasBroker)t).getBroker();
> > broker.removeFromCache(p);
> > Person loaded=(Person)broker.getObjectByQuery(query);
> > boolean cacheOk=(loaded.getDog()==d); //here cacheOk==false sometimes
> > t.commit();
> >
> > The atributes (proxy, refresh, auto-retrieve, auto-update and
auto-delete) in the reference-descriptor for the association between Person
and Dog have default values. This way, refresh="false".
> >
> > This problem does not happen everytime. So, sometimes cacheOk==true.
> > I wasn't able to reproduce this problem in a test case, but it does
happen sometimes.
> >
> > I've used rc4 for a long time and I've never had this kind of
problem.
> >
> > Here's my cache configuration in OJB.properties:
> >
> >
ObjectCacheClass=org.apache.ojb.broker.cache.ObjectCacheDefaultImpl
> > descriptorBasedCaches=false
> >
> > Thanks,
> > Jair Jr
>
>
>
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