Re: help with non decomposed M:N

Hi Ramzi,

Ramzi Oueslati wrote:
> Hello everyone,
> 
> I've been trying to use OJB lately but I'm a newbie and I'm stuck with 
> handling simple non decomposed M:N relationships.
> 
> Here's my purpose :
>...
> ***
> 
> You might have noticed the collections auto-retrieve setting is set to 
> 'false'. If I set this setting to true in *A* class mapping, I get a 
> NullPointerException when I try to read instances of A.
> 

Could you please post this stack trace too?
Used version of OJB?
The class mapping seems to be ok.

regards,
Armin

> Furthermore, auto-retrieve set to false, I can read and add new objects 
> but I also get NullPointerExceptions when trying to update an object 
> already stored.
> 
> Is there anything I'm doing wrong ? Please, do not hesitate to ask me 
> questions. Any help would be greatly appreciated.
> 
> Many thanks.
> Ramzi Oueslati
> 
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