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As I progress in solving my different issues, I think all of my problems could be resume by this one. In attached File you'll find the grails project related to the official tutorial. I adapted it with a groovy domain class in order to store the datas in the DB from the list and the beanItemContainer.
My problem is that nothing is stored in the db. I can visually add - delete - modify things in the beanItemContainer but nothing is stored in the db.
I didn't find resources about this (I mean, my differents searchs didn't leads me to a clear solution to this), so I'll appreciate in advance your help.