I am facing the same Issue. Code: p = new Person(fullName); Key k = KeyFactory.createKey(Person.class.getSimpleName(), fullName.hashCode()); p.setKey(k);
Error: javax.jdo.JDOFatalUserException: Attempt was made to manually set the id component of a Key primary key. If you want to control the value of the primary key, set the name component instead. On Sep 18, 1:10 pm, Morgoth <nmarc...@yahoo.com> wrote: > Hi, > > I'm trying to set the primary key in order to be able to read from DB > the exact object faster. Looking at that > tutorialhttp://code.google.com/appengine/docs/java/datastore/creatinggettinga... > this should be possible. Nevertheless all my attempts using > Key k = KeyFactory.createKey(Unit.class.getSimpleName(), 11111); > or guessing with any other variations I always receive: > > javax.jdo.JDOFatalUserException: Attempt was made to manually set the > id component of a Key primary key. If you want to control the value > of the primary key, set the name component instead. > > What I'm doing wrong? Is it possible at all to set my own part of the > primary key? What "set the name component" means? AFAIK the key > contains appID, object kind and ID, there is no name as part of the > key. > > Sorry if my question is stupid, but I'm just starting with GWT. --~--~---------~--~----~------------~-------~--~----~ 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-java@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 -~----------~----~----~----~------~----~------~--~---
