[jdom-interest] Namespace Collision exception when adding an
Bradley S. Huffman
hip at a.cs.okstate.edu
Mon May 16 09:19:48 PDT 2005
"PJ Fanning" writes:
> I got an exception when I executed code along the lines of the following:
> Namespace ns1 = Namespace.getNamespace("aaa", "http://acme.com/aaa");
> Element e = new Element("aaa", ns1);
> e.setAttribute("att1", "att1");
> Namespace defns = Namespace.getNamespace("http://acme.com/default");
> I want to declare an element that is in the 'aaa' namespace but that also dec
> lares a default namespace that is inherited by other elements. However, I get
> this exception:
Child elements don't inherit namespaces from their parents in JDOM.
You have to explicitly place them in the desired namespace (as in
new Element("bbb", defns)).
> org.jdom.IllegalAddException: The namespace xmlns="http://acme.com/default" c
> ould not be added as a namespace to "aaa:aaa": The namespace prefix "" collid
> es with an attribute namespace prefix on the element
> I think that the code in the Verifier is incorrect. It seems to assume that a
> ttributes that have no explicit namespace are in the default namespace. This
> is not my understanding of the XML spec.
> The code above works if I add the attribute after the additional namespace de
Yep, it looks like a bug.
More information about the jdom-interest