Hi again Armin
> -----Message d'origine-----
> De: Armin Waibel [mailto:[EMAIL PROTECTED]
> Date: mercredi, 5. novembre 2003 12:22
> À: OJB Users List
> Objet: Re: PB error when the browser is stoped
>
>
> Hi again,
>
> [EMAIL PROTECTED] wrote:
>
> ...
> >
> >>here you get a new instance, what about the
> >>previous referenced PB instance? Do multiple
> >>threads access class instance?
> >
> >
> > What do you mean?
> > Do you mean that if I declare only one class field (broker) I
> > could have threads problems?
> >
> Exactly! If different threads share/use the same class instance.
Just some question to be sure to understand:
How could you define a thread in this case?
Do you say that all threads use the same class instance?
If I declare each time a new PB instance, is this solution thread safe?
Thanks
Sylvain
> >
> >>> broker = PersistenceBrokerFactory.defaultPersistenceBroker();
> >>
> >>recommened to use
> >>PersistenceBroker pb = PersistenceBrokerFactory....
> >>in your methods
> >>
> >>> broker.beginTransaction();
> >>> Iterator iter = broker.getIteratorByQuery(query);
> >>>
> >>> while (iter.hasNext()) {
> >>> Person person = (Person) iter.next();
> >>> appResps.put(person.getPersonId(), person.getPersonName());
> >>> }
> >>>
> >>> broker.commitTransaction();
> >>> } catch (PersistenceBrokerException t) {
> >>> broker.abortTransaction();
> >>> t.printStackTrace();
> >>> } finally {
> >>> broker.close();
> >>> }
> >>>
> >>
> >>hmm, I'm not familiar with webserver internals, but think if
> >>you press 'stop' on the browser your method will be pass
> >>through anyway.
> >>
> >>StackTrace of the exception on refresh?
> >>Caused by 'broker.abortTransaction()'?
> >>If yes, I think it's a thread problem.
> >
> >
> > How could I test it?
> >
> If the exception really caused by
> broker.abort in searchPerson(String lastName),
> don't use the class field broker in your search method
>
> >>recommened to use
> >>PersistenceBroker pb = PersistenceBrokerFactory....
> >>in your methods
>
> and repeat your test.
>
> regards,
> Armin
>
> >
> > Regards
> > Sylvain
> >
> >
> >>regards,
> >>Armin
> >>
> >>
> >>>}
> >>>**code**
> >>>
> >>>
> >>>
> >>>>-----Message d'origine-----
> >>>>De: Armin Waibel [mailto:[EMAIL PROTECTED]
> >>>>Date: mercredi, 5. novembre 2003 10:22
> >>>>À: OJB Users List
> >>>>Objet: Re: PB error when the browser is stoped
> >>>>
> >>>>
> >>>>Hi Sylvain,
> >>>>
> >>>>[EMAIL PROTECTED] wrote:
> >>>>
> >>>>
> >>>>>Hello,
> >>>>>
> >>>>>I'using PB intances to retrieve info from my database.
> >>>>>When the time to search information is too long you can
> >>>>
> >>>>press the "stop" button on the browser.
> >>>>
> >>>>
> >>>>>But when I restart my application there is a
> >>>>
> >>>>TransactionNotInProgress exception.
> >>>>
> >>>>
> >>>>>Maybe the PB instance isn't closed when I stop the transaction!??
> >>>>>How could I close the PB intansce when I stop the browser?
> >>>>>How could I manage this?
> >>>>>Is someone has an experience?
> >>>>>
> >>>>
> >>>>Can you describe more detailed, some pseudo code?
> >>>>Which version do you use?
> >>>>
> >>>>regards,
> >>>>Armin
> >>>>
> >>>>
> >>>>
> >>>>>Thanks
> >>>>>Sylvain
> >>>>>
> >>>>>
> >>>>
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