[jdom-interest] Attribute namespace "collision" bug remains in 1.1

Jason Hunter jhunter at servlets.com
Wed Nov 21 23:02:25 PST 2007

Thanks for the bug reminder.  I just put the fix in CVS.

For a workaround you could build the element using the 
UnverifiedJDOMFactory that skips the Verifier step.  Produces the same 
object model result.


J.Dalton at ed.ac.uk wrote:
> I am trying to construct an element that looks like this:
> <xsd:schema
>  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
>  xmlns="mynamespace"  targetNamespace="mynamespace"
>  elementFormDefault="qualified">
> where "mynamespace" is really a proper URL.
> I get
> Exception in thread "main" org.jdom.IllegalAddException: The namespace
> xmlns="mynamespace" could not be added as a namespace to "xsd:schema":
> The namespace prefix "" collides with an attribute namespace prefix
> on the element
>        at org.jdom.Element.addNamespaceDeclaration(Element.java:342)
> (Again, "mynamespace" was really a proper namespace.)
> This used to work before 1.0, and I believe this is a known bug in 1.0.
> I'm wondering whether there's a workaround or whether I need
> to edit the source code and recompile.
> BTW, this page appears to be about the same problem:
> http://www.junlu.com/msg/166290.html
> -- Jeff
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