Nichole, thanks for your response. No, i'm certain I didn't. In fact, the
problem is happening again somewhere else so I can review and make certain
of it. I am hoping it's just an issue with the SDK and it will behave
correctly in production. Another thing is that it's random: I will get the
error 2 to 10 times straight, and the next time it will work.
I'm using 1.5.2 Here are the details now:
[finder query]
public static List<Key> findConversationKeysForCommentVisibleRanked(Key
key, Integer convsToDisplay) {
Query query = entityManager()
.createQuery("SELECT key FROM Conversation o WHERE o.commentKey =
:commentKey AND status " +
"IN ('" + ConversationStatus.DEFAULT.name() + "', '" + ConversationStatus.
PRIORITIZED.name() + "') " +
"order by rank ASC").setParameter("commentKey", key);
if (convsToDisplay != null) {
query.setMaxResults(convsToDisplay);
}
return query.getResultList();
}
[domain logic]
List<Key> convKeys =
findConversationKeysForCommentVisibleRanked(this.commentKey, null);
int numConvs = convKeys.size();
// find current and new position, all based just on entity's (this) key and
the key list from query
this.setRank(newRank);
this.entityManager.merge(this);
[exception I get, redacted]
WARNING: Request completed without committing or rolling back transaction
with id 2. Transaction will be rolled back.
2011-09-05 23:26:36,859 [971889075@qtp-1108447-0] DEBUG
org.springframework.orm.jpa.EntityManagerFactoryUtils - Could not close JPA
EntityManager
javax.persistence.PersistenceException: Illegal argument
at
org.datanucleus.jpa.NucleusJPAHelper.getJPAExceptionForJDOException(NucleusJPAHelper.java:214)
at org.datanucleus.jpa.EntityManagerImpl.close(EntityManagerImpl.java:157)
at
org.datanucleus.store.appengine.jpa.DatastoreEntityManager.close(DatastoreEntityManager.java:62)
Caused by: java.lang.IllegalArgumentException: can't operate on multiple
entity groups in a single transaction. found both Element {
type: "Conversation"
id: 38
}
and Element {
type: "Conversation"
id: 34
}
--
You received this message because you are subscribed to the Google Groups
"Google App Engine for Java" group.
To view this discussion on the web visit
https://groups.google.com/d/msg/google-appengine-java/-/EsdXzHj_cAUJ.
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.
