Iacco,
This might be because now use the semantic of xs:string() instead of
string(), see:
https://github.com/orbeon/orbeon-forms/blob/master/src/java/org/orbeon/oxf/util/XPathCache.java#L290Also, your function registration with Saxon has the following return type:
Type.NODE_TYPE, StaticProperty.ALLOWS_ZERO
This could cause issues with Saxon because it doesn't match what the
function actually returns. If your function can return a number of
nodes, change to:
Type.NODE_TYPE, StaticProperty.ALLOWS_ZERO_OR_MORE
-Erik
On Thu, Jun 30, 2011 at 9:27 AM, lacco <
[hidden email]> wrote:
> Hi!
>
> I have written a custom xpath function to access a complex data instance in
> a more elegant way (as a shortcut). This function has been working fine in
> Orbeon 3.8, but after upgrading to Orbeon 3.9, I get an XPathException
> ("org.orbeon.saxon.trans.XPathException: Casting from element(bar,
> xs:anyType) to xs:string can never succeed") when opening a form. It occurs
> when writing "xxforms:my-data()//bar" as calculate in a binding, casting to
> a string helps ("string(xxforms:my-data()//bar)") but wasn't needed before.
>
> Can somebody explain why I get this error in 3.9 but not in 3.8? For more
> details please have a look at
https://gist.github.com/b395e52cd5329c5de1e9 .
>
> Thank you very much!
>
> --
> View this message in context:
http://orbeon-forms-ops-users.24843.n4.nabble.com/XPathException-for-custom-xpath-function-in-3-9-tp3636181p3636181.html> Sent from the Orbeon Forms (ops-users) mailing list archive at Nabble.com.
>
>
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