Are you mixing ORMs? @OneToOne is JPA and @Embedded is JDO? Perhaps you can combine them; if so, I didn't know that.
Beyond that, try adding it to the default fetch group; @Persistent(embedded = "true", defaultFetchGroup = "true") public Set<String> getWords() David Fuelling wrote: > I have an entity with a List<String> in it as follows: > > @OneToOne(fetch = FetchType.LAZY) > @Embedded > public Set<String> getWords() > { > return words; > } > > public void setWords(Set<String> words) > { > this.words = words; > } > > If I set FetchType to "LAZY" in my code, compile, and then execute a > finder on this entity, then try to access the "words" collection on > the returned object, I get the following exception: > > "javax.jdo.JDODetachedFieldAccessException: You have just attempted to > access property "words" yet this property was not detached when you > detached the object. Either dont access this property, or detach it > when detaching the object." > > However, if I set the FetchType to Eager, I can access the "words" > field. This seems odd to me, since everything I'm reading in the docs > and in this group seems to indicate that EAGER fetching requires > joins, and joins are not supported. > > Should I be using LAZY here, or EAGER? > > -- > > 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. > > -- 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.