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https://issues.apache.org/jira/browse/AXIOM-376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Veithen updated AXIOM-376:
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Fix Version/s: 1.2.14
> The serializer should report conflicting namespace declarations
> ---------------------------------------------------------------
>
> Key: AXIOM-376
> URL: https://issues.apache.org/jira/browse/AXIOM-376
> Project: Axiom
> Issue Type: Improvement
> Affects Versions: 1.2.12
> Reporter: Andreas Veithen
> Assignee: Andreas Veithen
> Priority: Minor
> Fix For: 1.2.14
>
>
> Consider the following code:
> OMFactory factory = OMAbstractFactory.getOMFactory();
> OMNamespace ns = factory.createOMNamespace("urn:ns1", "p");
> OMElement parent = factory.createOMElement("parent", ns);
> OMElement child = factory.createOMElement("child", ns, parent);
> child.declareNamespace("urn:ns2", "p");
> System.out.println("XML = " + parent);
> System.out.println("URI = " + child.getNamespaceURI());
> Both elements are created in the urn:ns1 namespace. An attempt is made to add
> a namespace declaration that binds the prefix to a different namespace. No
> error occurs and the output is as follows:
> XML = <p:parent xmlns:p="urn:ns1"><p:child xmlns:p="urn:ns2" /></p:parent>
> URI = urn:ns1
> This means that in the serialized document, the namespace of the child
> element is different than in the object model. This situation (which is
> expected to be accidental in most cases) will lead to subtle issues later.
> The serializer should make sure that the namespaces of element and attribute
> information items are always preserved and trigger an exception if this
> constraint is violated by a conflicting namespace declaration.
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