Ruby on Rails

>
> You're rescuing the exception but then you're re-raising it so your
> render call never happens. Also a more usual way is to call save and
> test the return value of that rather than call save! and rescue the
> exception

Thanks fred.But i want transaction(which need save!) to let them all
either to be saved or not.If i rescue the exception and not re-raising
it,is it right to handle exception in this way?
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