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https://issues.apache.org/jira/browse/ODE-188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthieu Riou resolved ODE-188.
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Resolution: Fixed
Committed a fix that copies the missing namespace declarations from the context.
> Sometimes namespaces are messed up by assignment when the resulting DOMs are
> sent outside of the engine
> -------------------------------------------------------------------------------------------------------
>
> Key: ODE-188
> URL: https://issues.apache.org/jira/browse/ODE-188
> Project: ODE
> Issue Type: Bug
> Components: BPEL Runtime
> Affects Versions: 1.1
> Reporter: Matthieu Riou
> Assignee: Matthieu Riou
> Fix For: 1.1.1
>
>
> Assignment uses Xerces importNode to get a node from one tree and copy it
> into another. More specifically it recreates an element and imports all its
> child nodes (attributes and elements). However Xerces doesn't carry the full
> namespace context on import, it just clones and sets the proper owner. When
> it clones, it also takes the namespace property so the cloned element is in
> the proper namespace even without namespace declaration. Then internally
> Xerces knows hoe to deal with that and eventually adds a namespace
> declaration when needed.
> However when we take that sort-of-messed-up tree as is and send it to the IL
> (to ServiceMix for example), we don't know who or what is eventually going to
> marshal the tree. And some of those marshallers don't really like Xerces
> tricks and end up with a node using a namespace prefix that has never been
> declared. Which of course can't be unmarshalled anymore as it's invalid.
> Nasty stuff.
> As an example if you take those from and to:
> "<ns2:detail xmlns:ns=\"http://www.etnic.be/janus/fault/desc\";
> xmlns:ns2=\"http://www.etnic.be/janus/fault\";>" +
> "<ns:description ns:lang=\"fr\">foo bar</ns:description>" +
> "</ns2:detail>";
> "<janusResponse xmlns=\"http://www.etnic.be/janus\";
> xmlns:janus=\"http://www.etnic.be/janus\";>" +
> "<fault:detail
> xmlns:fault=\"http://www.etnic.be/janus/fault\";>" +
> "<fault:description/>" +
> "</fault:detail>" +
> "</janusResponse>";
> And assign the destination node of the first in the second, you end up with:
> <janusResponse xmlns="http://www.etnic.be/janus";
> xmlns:janus="http://www.etnic.be/janus";>
> <fault:detail xmlns:fault="http://www.etnic.be/janus/fault";>
> <description ns:lang="fr">foo bar</description>
> </fault:detail>
> </janusResponse>
> Note that there's no declaration for the prefix ns used by the lang
> attributes and also that the namespace for the description element has
> changed.
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