OpenSAML user discussion

Quoting Scott Cantor 
<>:

> > One can state a null value in XML with by:
> > xsi:nil="true"
> 
> A quick read of the schema spec and a test with JEdit's validator suggests
> that this is illegal for SAML because nillable on any type is false by
> default, and xsi:nil can only be used if it's true in the schema.

Good point!  Can't violate the schema.

> 
> Note that whether you personally validate or not is immaterial. The schema
> is normative, and if the schema as is doesn't permit xsi:nil on the
> <AttributeValue>, that's that.
> 
> However, I think I should propose we set nillable true in 2.0 to allow for
> this. We handled "no values", but we should handle NULL in the obvious way
> if possible.

It would seem a nillable="true" attribute value is certainly a real world 
case.

Thx,

-Matt



> -- Scott
> 
>