Just to lend some flavor to this, the key points are that to avoid a LIE, an 
entity has to be attached to an active persistence context and there has to be 
a be an active transaction.

The seam managed persistence context is one that has it's lifecycle associated 
with a conversation.  As long as the conversation remains active, the 
persistence context is active and you will never get a LIE.   (well, assuming 
there is a tx, which is what the transactional phase listener provides)

I assume the reason you were failing is that your PC was not in long-running 
conversation.  As soon as your request ended, your short-lived PC died and your 
entity became detached and you could no longer access unloaded relations. Note 
that it doesn't strictly matter whether the entity is stored in the session or 
in the conversation - it matters that the PC for the original conversation is 
still active.  It's obviously not a bright idea to store a conversation-scoped 
entity in the session, but it would work.


(I hope that didn't confuse the issue any more)




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