This sounds like the answer. Thanks! Specifically if a JDOOptimisticVerificationException is guaranteed when updating a deleted entity.
So it looks like my confusion stemmed from misunderstanding makePersistent() and believing it was need for updates. The tip about putting obj = getObjectById() & obj.changeSomeValues() inside a transaction also clarifies yet more for me. A question about the "ancient version of DataNucleus" you mention: Is there a more up-to-date approach I should be using within GEA? Could you point me toward the resource for that if any? -- 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.
