Is open session in view a good practice architecture?

[Fabio Medeiros Faria]

This approach avaible with spring framework is commonly used in many applications.

Once I was using this resource, but when I set a value in an attibute of the object, this was changed of datase too, but i didn't call the layer persistence.

I think this somewhat

um tanto quanto "dangerous"... Do you think this is a good practice to use in applications?