I could find my mistake. Sorry for taking your time. Thanks anyway!
On Apr 8, 3:24 pm, Arny <[email protected]> wrote: > Hmm, does it really matter even when using detached objects? > And aren't the persistence managers created individually on each > request? > I didn't know they are shared over many requests? > > What's the best way to update about 20 objects synchronously using 20 > asynch urlfetches? > It needs to be urlfetches, because the 20 objects are getting updates > from an urlfetch again. > > Simple model: > -> call 20 urls with individual ids > -> each url gets an objects and gets its updates from another url > > Any good solution for that? > Thanks > > On Apr 8, 3:13 pm, bimbo jones <[email protected]> wrote: > > > hi, > > > you should only close the persistence manager when your done. > > This error occurs because you try to close it a second time. > > Once you do the pm.close() all the data will be updated > > > 2010/4/8 Arny <[email protected]> > > > > Hi, > > > > I'm getting an JDO/Nucleus exception when running 2 synchronous > > > requests on different ids of an object: > > > org.datanucleus.exceptions.NucleusUserException: Object Manager has > > > been closed > > > > ----------- > > > This is how my getById looks like: > > > > PersistenceManager pm = getPM(); > > > Stream stream = null; > > > try { > > > Stream tmp = pm.getObjectById(Stream.class, id); > > > stream = pm.detachCopy(tmp); > > > } finally { > > > pm.close(); // here the exception occurs > > > } > > > return stream; > > > > ----------- > > > > It works fine on single request, but fails on 2 or more. > > > anyone know how to get around this? > > > > Thanks > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "Google App Engine for Java" group. > > > To post to this group, send email to > > > [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]<google-appengine-java%[email protected]> > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/google-appengine-java?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
