oops, my case has a typo, it is supposed to be db.remove(child). Sorry.
Also, tran2 cannot see newly created child records. Another case:
UserTransaction 1:
db = jdo.getDatabase();
ut.begin();
parentObj = db.load(parent.class, parentKeyValue, Database.ReadOnly);
db.create(child);
ut.commit();
UserTransaction 2:
db = jdo.getDatabase();
ut.begin();
parentObj = db.load(parent.class, parentKeyValue, Database.ReadOnly);
ut.commit();
User transaction 2 does not fail, but If I obtain an iterator over the
array of children, I notice that my newly created child is not there.
On Tue, 2004-07-20 at 10:45, Donnie Armstrong wrote:
> hello,
>
> Using Castor CVS, Global demarcation, Oracle and JBoss 3.2.3. The JDO
> handle is static, each transaction gets their own database handle.
>
> UserTransaction 1:
> db = jdo.getDatabase()
> ut.begin();
> // Load parent which automatically loads the Array of children.
> parentObj = db.load(parent.class, parentKeyValue, Database.ReadOnly);
> db.update(child); // to sync the timestamps
> db.delete(child); // remove a child
> ut.commit();
>
> UserTransaction 2:
> db = jdo.getDatabase()
> ut.begin();
> // Load parent which automatically loads the Array of children.
> parentObj = db.load(parent.class, parentKeyValue, Database.ReadOnly);
>
> Castor throws an ObjectNotFoundException ... was not found in persistent
> storage.
>
> I suspect that Castor retains the deleted object in it's cache, but why
> does the latter operation in transaction 2 try to load the recently
> deleted object from DB?
>
> The only way I've been able to recover is to shutdown container, which
> resets Castor cache.
>
> Any help would be appreciated.
> Donnie
>
>
>
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