> But I didn't get any exception that the persistenceManager connection > is closed. It just didn't save without giving any errors
And you looked at the log, at DEBUG level, didn't you? > and persistenceManager's detachCopy also didn't save Please look at the javadocs for detachCopy and consider why it should possibly "save". -- 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=.