Can you start the transaction before you do the fetch? The way you're writing it won't result in what you want to do.
If that still doesn't work, just retrieve a new instance of the PersistenceManager. This is cheap so it won't cost you significant additional CPU. On Mon, Jul 19, 2010 at 5:59 AM, coltsith <conla...@gmail.com> wrote: > Here's the psudo-code for one of my methods: > > > 1. Get PersistenceManager (pm) > > 2. pm.fetchObject1 > > 3. pm.beginTransaction > > 4. pm.modifyObject1 > > 5. pm.commit > > 6. pm.fetchObject2 > > 7. pm.beginTransaction > > 8. pm.modifyObject2 > > 9. pm.commit > > however I get this error "can't operate on multiple entity groups in a > single transaction..." > > Do I have to put another line in between step 5 and 7 saying that I'm > 'done' with object1, like to close it? > > 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 > google-appengine-j...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > -- Ikai Lan Developer Programs Engineer, Google App Engine Blog: http://googleappengine.blogspot.com Twitter: http://twitter.com/app_engine Reddit: http://www.reddit.com/r/appengine -- 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 google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
