After corresponding on the google-appengine-java Google Group, (actually after
reading something in another thread), I realized what's causing the problem.
For some reason, committing the transaction puts the entity into detached
state--but closing the EM makes it transient, so in the next reque
I made the beginnings of a lift app for GAE. It's for a volunteer
medical assistance organization, to manage requests that they get.
Every request has a nature, e.g., transportation, hospital visitation,
etc. Each nature has a OneToMany association with a
NatureLocationType, which means that when
