Opps! got it. Key k = KeyFactory.createKey(Person.class.getSimpleName(), String.valueOf(fullName.hashCode()));
instead of Key k = KeyFactory.createKey(Person.class.getSimpleName(), fullName.hashCode()); On Sep 19, 2:07 pm, Gaurav <ano...@gmail.com> wrote: > 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 -~----------~----~----~----~------~----~------~--~---
