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Thu, 19 April 2012 01:34

Eclipse User

Hi, I am using eclipselink 2.1.0 and want to upgrade to 2.3.2.
But when doing so I get this error :

"Exception Description: An attempt was made to traverse a relationship using indirection that had a null Session. This often occurs when an entity with an uninstantiated LAZY relationship is serialize
d and that lazy relationship is traversed after serialization. To avoid this issue, instantiate the LAZY relationship prior to serialization."

And I see why, I am reading a message from a JMS queue with a serialized object in the message and try to call a lazy relation... but how come this works fine in 2.1.0 ???

[Updated on: Thu, 19 April 2012 02:00] by Moderator

Re: 2.1.0 to 2.3.2 [message #849895 is a reply to message #849399]

Thu, 19 April 2012 10:53

Eclipse User

I do not know of any differences in this behavior from 2.1 to 2.3. My guess would be your application running in 2.1 was running for a while - it may have triggered the relationship sometime in the past before putting it in the queue. EclipseLink has a shared cache, so it would remain triggered in the cache until it was garbage collected, refreshed or the application is restarted.

Best Regards,
Chris

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