[jira] Updated: (SYNAPSE-196) Inconsistent namespace resolution

["Andreas Veithen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SYNAPSE-196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Veithen updated SYNAPSE-196:
------------------------------------

    Attachment: namespace-patch.txt

> Inconsistent namespace resolution
> ---------------------------------
>
>                 Key: SYNAPSE-196
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-196
>             Project: Synapse
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: NIGHTLY
>            Reporter: Andreas Veithen
>            Priority: Minor
>         Attachments: namespace-patch.txt
>
>
> In synapse.xml, resolution of namespace prefixes for SOAP fault codes (<code> element) and headers (<header> element) only works if the namespace is declared on the element itself, but not if it is declared on an ancestor of the element. For example, the following declaration will result in an error if the regsoap prefix is defined on the root element:
> <header name="regsoap:capabilities" value="urn:freebxml:registry:soap:modernFaultCodes"/>
> Currently this only works if the namespace is declared on the <header> element:
> <header name="regsoap:capabilities" value="urn:freebxml:registry:soap:modernFaultCodes" xmlns:regsoap="urn:freebxml:registry:soap"/>
> This behavior is a rather unusual for XML documents and is also inconsistent with the behavior for XPath expressions appearing in synapse.xml (where resolution of namespace prefixes works as expected).
> To solve this issue, the following changes would be required:
> * Modify OMElementUtils.getNameSpaceWithPrefix (which is used exclusively by FaultMediatorFactory) to recursively scan elements for namespace declarations, starting from the element passed as argument up to the root element and stopping on the first matching namespace prefix.
> * Modify HeaderMediatorFactory to use OMElementUtils.getNameSpaceWithPrefix as well (for the moment it uses a piece of code that is similar to the current implementation of OMElementUtils.getNameSpaceWithPrefix).
> A proposed patch is attached.

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