Can we see your persistence.xml? On Jan 31, 2011 4:35 PM, "Thomas" <[email protected]> wrote: > I try to create a GAE webapp that is using a "model" jar where i have my JPA > entity classes. > > My war file includes the model.jar in the WEB-INF/lib directory > > My entity class is like this: > > package com.example.model; > > > import java.io.Serializable; > > import com.google.appengine.api.datastore.Key; > > import javax.persistence.GeneratedValue; > > import javax.persistence.GenerationType; > > import javax.persistence.Id; > > import javax.persistence.Entity; > > > @Entity > > public class Message implements Serializable { > > > private static final long serialVersionUID = 1L; > > > @Id > > @GeneratedValue(strategy = GenerationType.IDENTITY) > > private Key id; > > > public Key getId() { > > return id; > > } > > } > > > when i try to use that entity bean: > public void create(Message message) { > try { > em.persist(message); > } finally { > em.close(); > } > } > > I always get: > Caused by: org.datanucleus.exceptions.NoPersistenceInformationException: The > class "com.example.model.Message" is required to be persistable yet no > Meta-Data/Annotations can be found for this class. Please check that the > Meta-Data/annotations is defined in a valid file location. > > Does anyone has a clue about what's going on ? > > -- > 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. >
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